Engineered for precision circuit testing and durable terminal verification. Get competitive factory-direct pricing for your high-volume requirements with our switch probe pin bulk order direct price options.
Technical specs for Model: SF42.5x2.65
| Model Number | Model: SF42.5x2.65 |
| Material | Plunger: BeCu Barrel: Brass Insulation Sleeve: Peek Solder Connection: BeCu Receptacle: Brass Spring: SUS 304 |
| Plating | Au on Ni plated |
| Current Rating | 3A |
| Contact Resistance | < 50mΩ |
| Full Stroke | 5.2mm |
| Switching Path | 1.7mm |
| Spring Force (1) | 100~150gf @ load 5.0mm |
| Spring Force (2) | 200~250gf @ load 3.3mm |
| Total Set Elasticity | 350~400gf @ load 5.0mm |
Testing accuracy and connector verification
The switch probe is used to verify the correct location of a terminal in a connector while checking the retention force as well. Switch probes also verify the presence of non-conductive components such as caps for connectors or devices on a circuit board.
As a reliable oem switch test probe fast delivery company, we maintain high production capacity to ensure rapid fulfillment across standard and customized probe sizes.
Leading test probe manufacturer in China


Suzhou Shengyifurui Electronic Technology Co.,Ltd is the leading test probe manufacturer in China. In 1984 we set up the first factory in Cixi City, Zhejiang Province. With high quality and sweet service, our products are widely used in more than 50 countries in the world.
We are dedicated to being the most reliable test probe supplier in China Market and committed to providing the most professional products and services to customers worldwide.
Products include in-circuit spring test probe, semiconductor spring test probe, battery charging pogo pin, and related accessories.
Precision manufacturing processes


Certified quality trusted worldwide


Standard safe packaging and international delivery,We offer flexible B2B ordering and direct factory supply for all switch probe pin wholesales in china.


Highly customized to meet your special needs, strict product quality control is our consistent requirement.