Johoty’s high-performance pogo pins and spring loaded connectors are perfectly engineered for various demanding electrical and mechanical applications.
High Current, High Cycle, Compact/Fine Pitch/Low profile, Shock & Vibration, Waterproof/Harsh Environment. IP67 Magnetic, Blind Mating, Non Magnetic, Ball Point, High Frequency/Speed/RF, High Temperature, EMI Shielding.
From high current and repeated mating to tight spaces and harsh environments, reliable connections begin with the right contact design. Many clients need high current, high life cycles, and anti-oxidation in an IP67 or IP68 magnetic pogo pin connector. At the same time, high-speed or frequency and EMI shielding are also integrated into the pogo pin connector.
Continuous high current, stable low resistance, controlled temperature rise and signal integrity.
Repeated mating of 100,000 cycles or more, high vibration, and alignment tolerance with up to 0.007mm.
As low as 1.00mm fine pitch, and 1.40mm low-profile. Under tolerance stack-up, pogo pin stays within the working stroke, side loads, and solder stresses.
High stability of pogo pin connector in moisture, dust, corrosion and continuous high temperature.
Blind mating, magnetic guidance, self-alignment, and LMFB or FMLB.
High-frequency signals, high speed, EMI shielding and interference control.
Clients often demand different contact designs, mating, materials, and environmental protection in different applications. You can use the solution matrix below to identify the most relevant starting for your project. And you can check a connector solution for an engineering challenge. You aren’t sure which pogo pins fit your requirements? Share your electrical, mechanical, and environmental specifications with Johoty CFT team.
| Client’s Requirements | Solutions |
|---|---|
| Higher power density | High-Current Pogo Pins |
| Frequent docking | High-Cycle Pogo Pins |
| Limited PCB space | Compact / Fine-Pitch / Low-Profile |
| Dynamic mechanical loads | Shock & Vibration |
| Water, dust, contaminants | Harsh-Environment Protection |
| Sealed magnetic docking | IP67 Magnetic Pogo Pin Connector |
| Alignment variation | Blind-Mate |
| Magnetic field restrictions | Non Magnetic Pogo Pins |
| Variable mating angles | Ball Point Pogo Pins |
| RF / high-speed signals | Signal-Optimized High Frequency Pogo Pins, High Speed Pogo Pins |
| Elevated operating temperatures | High Temperature Pogo Pins |
| Grounding / interference control | EMI Shielding, Custom Pogo Pin Connector |
Application-specific power interfaces integrating plunger tip geometry, mounting, insulation, and mechanical alignment. Johoty can offer low-impedance and low-temperature-rise, current path optimization and simulation, parallel and array current-sharing. Custom high spring force and long stroke, magnetic assisted alignment (blind mating), housing and retention force. Waterproof and corrosion resistance, high mating cycle life, wide temperature range stability, power + signal Hybrid, cable and board-end integration.
Reliable power connections for battery testing, production fixtures, and repeated test cycles. Including high-power semiconductor device testing, BGA and semiconductor test, IC testing, ICT (In-Circuit Testing). FCT (Functional Testing), PCBA finished product inspection, Electric vehicle (EV) battery testing, Lithium battery testing. They are double head double movement pogo pins, double head single movement pogo pins, single head pogo pins.
Spring-loaded power contacts for battery modules, charging docks, and removable power interfaces. Smartphones and tablets, smartwatches and fitness trackers, TWS Bluetooth earbuds, smart glasses and other wearables. AGV/AMR automatic recharging, service and humanoid robots, industrial test fixtures. Medical devices, industrial handhelds and instruments, board-to-board connections. EV/E-Bike charging, in-vehicle modules. Johoty has to guarantee 3A~50A continuous current, 10,000 to 500,000 mating cycles, IP65 or IP68 rating.
Custom 2-pin or more pin spring loaded connector distributes continuous 100A current or higher across continuous 50A per pin. That is, Johoty can perfectly integrate individual high current pogo pin into a high current pogo pin connector.
2-level multiple plunger tips with continuous 200A, 500A, 1,200A, it can reduce current concentration and improve electrical stability. Plunger tips are crown tip with first and second contact for high safety.
Continuous 50A spring loaded pins have 10mΩ contact resistance and temperature rise of ΔT<30℃ in 5 minutes. Plunger tip has more than 20 types: half-flat half round, round tip, etc.
10,000~500,000 life cycles are designed around your mating-cycle requirements. Pogo pin life cycles depend on plunger tip geometry, spring force, working stroke, plating, mating surface, and operating conditions. Johoty can evaluate these factors together to develop application-specific high-cycle pogo pin solutions. Our strength is to achieve high life cycle based on tight tolerance of ±0.01mm or even 0.007mm CNC machining.
Johoty can offer high repeated compression or long-term continuous pressing with <5% spring force attenuation. Including guided plunger movement, and wear-resistant SUS304/631, BeCu, or SWP-B.
Engineering focus: We expertise in 10,000–500,000 mating life cycles, force retention, and stroke consistency.
Applications: High life pogo pins can work in industrial controls, instruments, charging docks, and replaceable modules.
Johoty can optimize plunger tip shape and geometry, spring force, and the best gold plating and thickness. This can help clients effectively reduce abrasive wear and mating-pad damage.
Engineering focus: We can design Au plating 0.10–1.00μm typical, up to 5.0μm or composite plating. And we can guarantee full wear-track inspection and high plating integrity based on ±0.01~0.007mm tolerance.
Applications: High life pogo pins or pogo pin connectors can fit consumer charging, precision instruments, wearables, and serviceable electronics.
Many clients look for stable low-contact-resistance. Johoty can co-optimize contact geometry based on tight tolerances, inner structure, plating, and working force for limit resistance variation.
Engineering focus: We can focus on ≤50mΩ typical initial contact resistance and custom as low as 10mΩ four-wire resistance testing.
Applications: High-life pogo pins or pogo pin connector can improve conductive stability of sensor modules, low-voltage power, and control signals.
More and more clients look for repeated module engagement while reducing off-axis loading and uneven compression. Johoty can perfectly customize guided housings and spring-loaded contact arrays.
Engineering focus: Johoty can achieve ±0.10~0.50mm alignment compensation and ±2°–3° angular accommodation and configurable pogo pin connector. Clients don’t need to worry about misalignment.
Applications: High life pogo pin connector is suitable for robotic docks, battery swapping, and modular equipment.
Johoty can offer replaceable spring test probes for high-throughput PCB and functional testing fixtures. Including large pitch ICT test fixture and ICT spring test probes, and fine pitch IC/ATE socket and IC double head double movement test probes.
Engineering focus: We can offer 100,000-cycle standard life, barrel diameters of as low as 0.15 mm, >10 types of plunger tip shapes. Each tolerance is at least ±0.007mm.
Applications: High life pogo pins can fit ICT, functional testing, IC chipset test, ATE and production test fixtures.
Johoty can balance contact force, working stroke, material, and plating thickness against the required service life. We can design very tight CNC machining tolerance as low as ±0.007mm and guarantee part accuracy and consistency.
Engineering focus: We can ensure custom force–stroke curves, cycle-life targets up to 500,000, dimensional and electrical validation. Furthermore, we can combine low-wear, low-resistance, or other functions together.
Applications: High life pogo pins can fit OEM devices, medical equipment, industrial automation, etc.
Johoty can design miniature spring loaded pins for reliable power and signal connections. You can get barrel diameter of φ0.15mm or 1.39mm height. They can help clients to fit limited PCB area and mechanical clearance.
Clients can get:
φ0.15mm barrel diameters in fine-pitch projects,
Low-force option as low as 5gf,
Gold-plated contact surfaces,
Custom plunger tip, working stroke and mounting.
Johoty can engineer high-density pogo pin connector from 2-pin to 1,000-pin or more. We can control pitch accuracy, contact force and tight alignment tolerance of as low as ±0.007mm. We can achieve the expected or max interconnect count.
Clients can get:
Pitch options from 1.00 mm, or extreme fine pitch of 0.30mm based on φ0.15mm test probes.
Pogo pin diameters: ≥0.50 mm, or ≥φ0.15mm test probe,
Contact resistance: below 20 mΩ, or 10mΩ，
Custom 1-line, 2-line, or multi-line arrays.
Johoty can design low-height spring loaded pins to preserve reliable compression and electrical continuity. We are often asked to design such pogo pin or pogo pin connector to fit tightly stacked electronic assemblies.
Clients can get:
Free height: 1.39–2.00 mm with 0.20mm working stroke,
Working stroke as low as 0.10 mm, sure, we can also design 10.00mm or longer,
SMT, through-hole and right-angle pogo pins,
Coplanarity target: ≤0.05 mm.
Johoty can flexibly customize right-angle spring loaded pins and 90° bending PTH pogo pins or pogo pin connectors. They can redirect the mating interface along the PCB plane. And they can enable reliable electrical connections according to restrict vertical clearance.
Clients can get:
90° contact orientation against PCB board,
Horizontal and edge-of-board mating,
Custom working stroke and contact spring force,
Perfect mechanical guidance for lateral-load control.
Johoty can combine multiple power, signal, detections, GND, protective ground within a compact, alignment-controlled housing. Also, we can design first mate late break or late mate first break in an integrated spring loaded connector.
Clients can get:
Custom 2–12+ pogo pins in a multi-pin pogo pin connector,
Selected designs from 1.00 mm pitch to 10.00mm,
Mixed power and signal contact with control, detection, and FMLB or LMFB,
Keyed housings and alignment.
More and more clients ask for application-specific pogo pins or pogo pin connector solutions. Johoty can customize the perfect contact with mechanical housing, PCB shape and dimensions, electrical loads and assembly tolerances.
Clients can get:
Custom mechanical diameter, accurate pitch and pogo pin plunger tip shape and dimension,
The expected working stroke, spring-force and tight tolerance optimization,
Tailored gold plating, composite plating and mounting of SMT, PTH or right angle,
Prototype evaluation and design validation.
Many clients often look for stable contact under dynamic motion. Johoty have good solutions to address axial displacement caused by vibration, impact, and tolerance variation. We can work out spring-loaded pogo pins by controlling spring force, working stroke, and plunger guidance. Thus, our clients can get electrical continuity under dynamic loading.
Parameters: We can flexibly customize spring force ≥5gf per pin, working stroke ≥0.10mm, and contact resistance ≤20mΩ.
Design Focus: We can guarantee spring preload, working stroke, plunger guidance and resistance stability.
Johoty can effectively prevent unintended separation under mechanical stress. We design pogo pins by threaded mounts, positive locking, and guided housings. We also separate structural loads from the spring loaded pogo pins by mechanical retention. Clients don’t need to worry about connector disengagement during vibration and shock.
Parameters: Johoty can assist clients with completing axial pull, retention-force verification, lateral load, housing stability assessment. If need, we can implement IEC 60068-2-6 sinusoidal vibration test and IEC 60068-2-27 mechanical shock test.
Design Focus: We can flexibly design pogo pin or pogo pin connector with threaded fixation, positive locking, guided mating, or strain relief.
Johoty can guarantee stable electrical continuity for our pogo pin connector. We can perfectly address controlled axial and lateral misalignment with floating structures, spring travel, and an optimized plunger tip. Clients won’t experience edge loading and intermittent disconnection during micro-movement.
Parameters: Johoty can assist clients with getting ±0.10mm floating contact, ±0.50mm alignment, 15G vibration, and ΔR/continuity dynamic electrical verification.
Design Focus: Our clients can get radial compliance, axial stroke reserve, tip geometry, and mating pad design.
Johoty can perfectly enhance pogo pin and pogo pin connector Integrity in demanding environments. We always carefully design reinforced housings, guided pogo pins, wear-resistant plating, and optional environmental sealing. And, we can guarantee reliable connections under mechanical shock and vibration.
Parameters: Optional sealed IP67 or IP68, −40 to +125°C, 10k–500k life cycles. If needed, it’s optional for electrical and mechanical test IEC 60512.
Design Focus: Our clients can get reinforced housing, contact protection, plating durability, and environmental sealing.
Johoty can engineer spring loaded pogo pins and sealed pogo pin connector solutions around your environmental, mechanical, and electrical requirements. It’s for exposure to moisture, dust, corrosion, and demanding operating conditions. Discuss your application now!
Johoty can customize precision spring loaded pins and mating target pads with IP67 or IP68 waterproof. The connector pairs have reliable power and signal transmission in moisture-exposed applications. They can restrict water migration from plunger to tail pin, or from one side to the other side.
How to archive? In usual, Johoty uses gold-plated brass or BeCu, custom working stroke, spring force and target-pin, and sealed plunger-to-tail integration.
Contact resistance: We can design as low as 15mΩ, sure, actual performance depends on contact configuration and test conditions.
Johoty can integrate mating-face seals, locking, housing joints and cable-entry protection into a pogo pin connector. It can maintain a sealing boundary around spring loaded pins.
How to achieve? We can perfectly design face-seal and radial-seal, seal compression and mechanical retention based on 2 to 3 locking or flanges. Also, cable-entry sealing and contact-cavity isolation are our strength.
Housing: PA66, PA46, PA9T, HTN, PBT-GF, LCP or metal are optional. We can optimize −40°C to +125°C pogo pin connector based on PEEK or pogo pins with continuous 350℃.
Johoty customizes waterproof pogo pin connector. It can protect internal electrical interfaces against particulate contamination, rain, splashes and temporary immersion under defined test conditions. In general, we design a IP67 or IP68 connector by pogo pin itself, between pin and housing, housing and enclosure.
How to archive? We can design IP6X for dust-tight protection, IPX7 for temporary immersion protection. Also, we expertise in sealing integrity at the mating interface and cable entry by injection molding and over-molding.
IP67: You can get dust-tight enclosure protection, pass temporary immersion testing at 1 m for 30 minutes under specified conditions.
We must use lead-free brass or BeCu, and gold-plating during designing pogo pin and pogo pin connector. This can reduce oxidation, fretting corrosion and contact-resistance drift. Our clients won’t worry about any contact issues under humidity, condensation and corrosive environmental exposure.
How to achieve? Standard pogo pins are based on copper-alloy plunger tip and barrel with nickel underplating and gold finishes. We design the gold plating based on mating cycles and environmental exposure, if needed, it’s available for composite coating of Au-Pd-Rh-Au-Pt.
Plating: Include gold and application-specific multilayer finishes. Johoty can achieve 96-hour salt-spray performance for an IP67/IP68 pogo pin connector.
Johoty has various integrated sealing solutions combining elastomeric gaskets, precision O-ring grooves, potting compounds and overmolded structures. This can perfectly protect pogo pin connector interfaces and internal pogo pins assemblies.
How to achieve? We always use silicone, EPDM, NBR and FKM seal materials as O-ring or gasket. We always take in mind about gland geometry and tolerance-stack based on poxy or silicone housing and cable overmolding
Sealing: Johoty always considers compression, compression set, temperature during IP67 or IP68 pogo pin connector project. And, we need to take fluid compatibility and repeated mating in mind. Our clients can validate the final sealing performance in assembly devices.
Johoty guarantees pogo pin connector reliability through air leak test, or waterproof glue, O-ring, and sealing gasket. We few take environmental and electrical testing but we can assist client to complete these sealing test. We can ensure sealing performance, corrosion resistance and contact stability throughout the intended service life.
How to achieve? We propose environmental durability and sealing validation by IP ingress, salt-spray and thermal-cycling tests. And, we need to monitor contact and insulation resistance, verify pre- and post-aging sealing.
Reference methods: Johoty can suggest clients to consider ingress protection, salt mist, temperature change, and electrical contact testing.
Johoty can engineer a sealed magnetic docking interface around your device. This includes magnetic retention and IP67 sealing, contact sequencing, and power/signal integration. We support custom pogo pin connector, mechanical integration, and application-specific validation. So, our clients can get the expected pogo pin layout, rated current and voltage, holding force. And, you can get IP rating, mating cycles and CAD drawings.
Johoty can guide the mating halves into position by magnetic attraction. Their magnetic retention force can maintain stable docking without mechanical latches. To get this, we can engineers magnet placement, polarity, air gap, and mechanical guidance. So, our clients can see a good balancing self-alignment, holding force, and intentional release.
| Parameter | Design |
|---|---|
| Magnet | N52 NdFeB, |
| Magnetic force | ≥10N, custom |
| Alignment | Axial and lateral, S-pole, Z-pole, |
| Retention | Pull-off force, mating gap and offset, |
| Release | Separation under cable or device loading. |
Johoty can design spring loaded pins to compensate for mating-height variation and maintain electrical engagement. We need to optimize plunger size and shape, spring force, working stroke, contact resistance, as well as gold plating. Our client can get a reliable power and signal continuity.
| Parameter | Design |
|---|---|
| Working stroke | ≥0.10 mm, |
| Contact force | ≥15gf per pogo pin, |
| Contact resistance | Down to 10mΩ, |
| Materials | Brass, BeCu, Stainless steel, etc, |
| Surface finish | Au/Ni, or composite plating, |
| Durability | 10,000–500,000 cycles. |
Johoty can achieve IP67 protection based on the complete sealing architecture. We effectively integrate perimeter gaskets, sealed barrels, housing interfaces, and rear terminations to control water and dust ingress. We also engineer the sealing boundary for the specified assembled and mating conditions.
| Parameter | Design |
|---|---|
| IP rating | IP67, IP68 etc, |
| Dust protection | IP6X, |
| Water immersion | IPX7, |
| Seal materials | Silicone, EPDM, NBR, FKM |
| Sealing interfaces | Mating face, housing, pogo pin inner structure, barrel flange, cable exit, |
| Qualification | Immersion, thermal cycling, salt spray, as specified. |
Johoty must guarantee the right contact geometry and magnetic polarity together to prevent incorrect mating and unintended electrical connections. We can support asymmetric pogo pin arrays, keyed housings, polarity-controlled magnets, this won’t have any connection mistakes. And we can also dedicate power, ground, signal, and detection pogo pins.
| Parameter | Design |
|---|---|
| Contact count | ≥2pins, |
| Layout | Linear, dual-row, circular, asymmetric, |
| Pitch | ≥1.00 mm, |
| Orientation | magnetic polarity, |
| Electrical | Polarity and short-circuit protection, |
| Sequencing | GND, power, detection, signal assignment. |
Johoty can perfectly control alignment of male and female end, contact compression, and mechanical loading for reliable magnetic docking. We can design an accurate magnet and housing geometry, mounting, and tight tolerance. We need to guarantee the lowest contact damage and repeatable mating during the device lifecycle.
| Parameter | Design |
|---|---|
| Mounting | SMT, through-hole, right-angle, solder-cup, cable termination |
| Mating | 10,000–50,000 cycles, |
| Compression | Working-height and stroke tolerance, |
| Guidance | Lead-ins, locating, anti-rotation, |
| Retention | Axial, lateral, mating, |
| Reliability | Vibration, shock, wear and contact continuity |
Johoty can integrate power, ground, data, and detection functions within a single magnetic docking interface. We can support clients with first-mate/last-break (FMLB) or last-mate/first-break (LMFB) by our contact length, geometry, and circuit assignment. With the pogo pin connector, client can get the controlled grounding, connection detection, and power enablement.
| Parameter | Design |
|---|---|
| Power | Up to continuous 50A, |
| Data | I2C, CAN, USBDM/DP, GPIO, 10 Gbps, ST2+/ST2-, RF. |
| Detection | Presence, ID, enable or interlock |
| FMLB | First mate late break, high pogo pin, |
| LMFB | Late mate first break, short pogo pin, |
| Sequencing | Contact timing, bounce, hot-plug. |
Johoty can assist our clients in engineering blind mate connectors. Our clients can achieve reliable electrical engagement and non-visual alignment. Why? We can design mechanical tolerance and accurate alignment, and stable contact. Please share your alignment offset, available stroke, mating cycle, and electrical requirements. Johoty can guarantee it is perfect.
Johoty can design spring loaded pins to absorb Z-axis stack-up between mating assemblies. We can also define working height and compression against enclosure, PCB, and mounting tolerances. Such pogo pins can maintain a stable connection within the docking range.
Parameters: Z-axis stack-up is 0.02~0.04mm, compression is ≥0.10 mm, and contact force is ≥10gf.
Johoty can perfectly cope with lateral offset and angular misalignment before electrical contact by lead-in chamfers, guide, and keyed housings. We design the mating geometry to guide engagement and limit side loads on spring-loaded pins.
Parameters: X/Y offset 2.00mm, angular misalignment ±5°, right lead-in geometry, and guide clearance 10μm.
Johoty can design accurate working stroke to cope with assembly variation, docking travel, and operating movement. We always define engagement margin to prevent insufficient compression at max separation and over-compression at min separation.
Parameters: Total stroke ≥0.20mm, working stroke ≥0.10mm, minimum engagement margin 0.10mm, and force–displacement curve.
Johoty can matches and addresses positional variation between docking modules according to floating carriers or compliant mounting. We can reduce lateral contact loading by selected axes movement and maintain connector positioning by mechanical stops.
Parameters: We can offer X/Y float of 0.50~1.00mm and axial compliance of 0.50~1.50mm. and 5~20N restoring force, mechanical travel of 120%~150% at ±1.2 ~±1.5 mm.
Johoty can evaluate the contact force, plating wear, alignment repeatability, and resistance drift. This can assist our clients to get a expected mating cycles. Also, we can optimize consistent long-term engagement under docking speed, offset, and environments.
Parameters: We can guarantee 10,000~500,000 mating cycles, resistance drift ±10mΩ and contact-force retention (%) · Docking repeatability (mm).
Johoty can guarantee electrical performance based on spring force, contact geometry, surface finish, and working stroke. Johoty can ensure low contact resistance and continuity cross the specified alignment and operating conditions.
Parameters: We can guarantee contact resistance 10mΩ, continuity interruption 0.1µs, and current rating continuous 50A at ΔT<30°C in 5 minutes.
Johoty can develop various non-magnetic pogo pins and pogo pin connectors based on our exclusive manufacturing process. This can assist our clients in reducing magnetic influence and maintaining electrical and mechanical performance. We always consider non-magnetic materials, spring alloys, and plating according to magnetic sensitivity.
Johoty can design the best plungers, barrels and internal components of spring, T-pin and cap based on BeCu, CuZi C151. We also use silver, pure coper, gold for high end non magnetic pogo pins. They are plated with gold over Cu-Zn-Ti. We consider relative magnetic permeability, remanence, conductivity and manufacturing-induced magnetic changes.
Focus: Relative permeability 1.0000～1.0025μr, remanence <1.01μT.
Johoty can assess spring and contact alloys for elastic modulus, yield strength, fatigue resistance and magnetic response. We need to ensure high non-magnetic consistency from design, raw materials, production processes to delivery. We also need to optimize spring wire diameter and length to maintain stable contact force in working stroke.
Focus: BeCu elastic modulus 115~130GPa, working force ≥10gf, stroke ≥0.10mm, fatigue life cycles 10,000~500,000.
Johoty can balance contact geometry, conductive alloy and working force for our non magnetic pogo pin or pogo pin connector. We need to minimize contact resistance and to control wear and mechanical loading. We can also evaluate electrical performance under continuous current, compression, and temperature rise.
Focus: We can offer contact resistance ≥10mΩ, continuous current 50A at ΔT<30℃, spring force ≥10gf.
Johoty can evaluate gold, palladium-based and barrier-layer for substrate compatibility, contact durability and magnetic force. We always consider porosity, adhesion, corrosion resistance and repeated-contact wear when we select plating materials. Because we need to work out the best conductivity, life cycles, and non magnetic pogo pins.
Focus: Coating thickness <5μm, barrier of Cu-Zn-Ti for adhesion, wear resistance for 10,000~500,000 life cycles.
Johoty can assist our clients in defining magnetic requirements based on the client’s host, field exposure, and measurement location. We need to send non magnetic pogo pins or pogo pin connectors to a third party to verify. Usually, it includes alloy permeability testing and assembled-contact magnetic field assessment under specified orientation and distance conditions.
Focus: 1.0000～1.0025μr, field strength 50.9~3000mT, residual field <1.01μT, measurement distance <3.0mm.
Johoty can evaluate non magnetic pogo pins or pogo pin connectors. We can show our clients force stability, resistance drift, and mechanical wear. We can also review environmental exposure and process-dependent magnetic changes against application-specific acceptance criteria. And we can assist clients to implement third part validation if needed.
Focus: Cycle count up to 500,000 time, ΔR<20% mΩ, force retention >95%, temperature -40°C~+85℃.
Some clients often ask ball point pogo pins for variable contact angles, sliding engagement, or limited mechanical clearance. Because angle alignment can bring them unstable connections if they use standard pogo pins. And, standard pogo pins can’t address various challenges caused by lateral force. But ball point pogo pins can solve it perfectly.
Johoty can customize such ball point spring loaded pins to address specialized mating geometries. We can specialize in balancing ball shape, contact force, surface finish, and mating pad together. This can effectively support our clients with consistent engagement and manage localized wear.
Johoty can eliminate edge digging or riveting by the ball plunger tip during mating or connecting. We abandon crown or conical tips that concentrate stress on sharp edges. We specialize in optimizing the ball-point geometry to distribute normal force across a continuous curved surface. Our clients can get gold plating integrity and low contact resistance across repeated engagements. And, they won’t need to worry about the mating pad lacking precise chamfering.
Johoty can design ball-point to tolerate up to ±55° angular misalignment without inducing lateral lag or stiction. We can guarantee the rolling contact by tight CNC machining tolerance. This can convert oblique engagement into 360° sliding rather than barrel-wall jamming. Johoty can verifie angular tolerance via 3D. We can also ensure stable contact resistance in blind-mate or side-access assemblies.
Johoty can calculate the spring force between 30gf and 120gf to penetrate surface oxides without deforming soft mating pads. We also need to maintain the ball-point contact stress below the yield point of Sn or Au-plated surfaces. Johoty can specify the ball point working pressure based on clients’ different application. That is to lower the ball for thin-film pads but to higher for contaminated surfaces. We need to balance oxide breakthrough against plating wear.
Lateral sliding is the dominant wear for ball-point pins. Johoty’s ball point shape can reduce friction coefficient by 40% to even 90% versus flat or crown tips. Such design can minimize abrasive wear on both plunger and pad. For clients’ high-cycle connections, Johoty recommends hard Au over Ni underplate on the mating surface. If clients need 100K or 300K cycles, it’s effective to prevent substrate exposure.
Beyond the standard ball radius 0.25 mm, Johoty offers radius variations and hybrid geometries. For example, some clients need small ball diameter due to space constraints. But, they want to get a very long working stroke, for example, 1.50~2.00mm stroke for a 1.00mm ball diameter. Yes, Johoty can customize dual spring solutions while significantly enhance ball point pogo pin life cycles. It can significantly reduce the ball compression force and minimize matched pad wear.
Johoty can validate ball point pogo pins to 300,000 cycles with <15mΩ dynamic impedance fluctuation under lateral sliding. Conventional plungers always reduce lifespan to 15%~20% when contact under ±15° angle. But, ball point pogo pins or ball point pogo pin connectors have no any impact under any angles. Johoty can monitor contact resistance to detect wear-induced instability based on 2Hz vibration at ±20μm amplitude and 200μm overdrive.
Have a connection challenge that standard components can’t fully address? Maybe non magnetic pogo pin can solve your problem, a custom IP67 spring loaded connector can guarantee the connection performance. And, a hybrid docking interface can provide you with power, data, signal, control, and detection. Johoty can help you review the key electrical, mechanical, and environmental requirements. Please share your application details, drawings, or target specifications, let’s begin a technical discussion now.
Your connection application and operating environment,
Connector rated current, rated voltage, and signal or LMFB/FMLB,
Available space of pogo pin connector and mechanical constraints,
Mating frequency and expected service life, from 10,000~500,000 times.
Outdoor, seawater, working environmental, and your qualification requirements,
Prototype from EVT/DVT/PVT and mass production volume expectations.
