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100pcs P75-E2/E3 Gold Plated Spring Test Probe Pogo Pins 1.3mm
100pcs P75-E2/E3 Gold Plated Spring Test Probe Pogo Pins 1.3mm
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P75-E2 / P75-E3 Gold Plated Spring Test Probe Pogo Pins – 100-Pack
Upgrade your electronics testing and DIY projects with this 100-piece set of P75-E2 / P75-E3 spring-loaded pogo pins. Featuring a precision conical head, gold-plated finish, and beryllium copper plunger, these test probes deliver consistent, low-resistance electrical contact for PCB testing, jig fixtures, programming connections, and more. Made in Mainland China.
Key Features
- Gold-Plated Spring: Music wire spring with gold plating for excellent conductivity and corrosion resistance
- Two Models Included: P75-E2 (1.3mm needle diameter) and P75-E3 (1.5mm needle diameter) — choose the variant that suits your application
- Beryllium Copper Plunger: Heat-treated for durability and long service life
- Compact & Precise: Total length approx. 16.5mm with a full stroke of 2.50mm
- 3A Current Rating: Rated for up to 3 amperes with a low contact resistance of just 50mΩ
- Great Value: 100 pins per pack — always have spares on hand for your lab or workshop
Technical Specifications
| Model | P75-E2 / P75-E3 |
| P75-E2 Needle Diameter | 1.3 mm |
| P75-E3 Needle Diameter | 1.5 mm |
| Needle Tube Diameter | 1.0 mm |
| Needle Rod Diameter | 0.66 mm |
| Total Length | Approx. 16.5 mm |
| Needle Sheath Diameter | 1.32 mm |
| Recommended Drill Size | Approx. 1.4 mm |
| Minimum Test Distance | Approx. 1.91 mm |
| Full Stroke | 2.50 mm |
| Current Rating | 3A |
| Contact Resistance | 50 mΩ |
| Plunger Material | Heat-treated beryllium copper |
| Spring Material | Music wire, gold plated |
| Package Quantity | 100 pcs |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 100 × P75-E2 or P75-E3 Spring Test Probe Pogo Pins
Note: Pin sets (sheaths/sockets) are sold separately. Please allow 1–2mm tolerance due to manual measurement. Actual color may vary slightly from screen to screen.
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External Resource
For best practices when designing PCB test fixtures and using spring-loaded contacts, refer to the NIST Electronics Resources for standards and measurement guidance.
Frequently Asked Questions
Q: What is the difference between the P75-E2 and P75-E3 pogo pins?
A: The main difference is the needle (tip) diameter. The P75-E2 has a needle diameter of 1.3mm, while the P75-E3 has a slightly larger needle diameter of 1.5mm. Both share the same 1.0mm tube diameter, 16.5mm total length, and 3A current rating, so your choice depends on the contact pad size or spacing of your PCB or test fixture.
Q: Do the pin sockets/sheaths come included in this pack?
A: No — this listing includes 100 spring test probe pogo pins only. The matching pin sockets or sheaths (with a 1.32mm inner diameter) are sold separately. You will need to purchase those independently to complete your test jig assembly.
Q: What applications are these pogo pins suitable for?
A: These P75 series spring test probes are widely used in PCB testing jigs, programming fixtures, battery contact assemblies, IC chip testing, and other DIY electronics projects that require reliable, spring-loaded electrical contact points. Their gold-plated surface and low 50mΩ contact resistance make them ideal for high-accuracy signal and power connections.
Q: What drill size should I use to mount these pogo pins?
A: An approximately 1.4mm drill bit is recommended to create the mounting hole for the P75-E2/E3 pogo pins. The needle sheath outer diameter is 1.32mm, so a 1.4mm hole provides a snug press-fit in most PCB or plastic jig materials.
