3A smt spring plunger electrical contact supply in China. Flat SMT pogo pin type with stable quality. The bottom of barrel is designed as flat shape, easy to be mounted on PCB. Pogo pin is a special connector the basic structure of a turning barrel, a cutting plunger and Compression spring. The barrel tube mouth edge, keep the plunger in the barrel, by the spring provide contact force the Electrical connections between plunger and the butt joint parts.
Advantages of our factory
- World’s first manufacturer developed large current pogo pin with 20A, 15A series has been mass produced
- World’s second manufacturer developed 1.27 pitch pogo pin connector
- Asia’s first manufacturer achieved compression mechanical 1 million life times
- Asia’s first professional medical, industrial, special industries such as automobile industry suppliers
- China’s first pogo pin product with magnet combined connector manufacturer and own most solutions
Specification of 3a smt spring plunger electrical contact
| Materials | Plunger | Brass 0.25um Au over Ni |
| Barrel | Brass 0.25um Au over 1.25um Ni | |
| Spring | SUS 304 surface treatment | |
| Mechanical | Contact force | 120g±20g at 1.0mm working stroke |
| Full stroke | 1.2mm | |
| Life test | 100,000 cycles | |
| Electrical | Rated current and voltage | DC 12V; 3A |
| Contact-resistance | 50milliohm Max |
