> Pin head tip: SK4/Becu , Au plated
> Spring: Music Wire/SUS304 , Au plated
> Barrel: Phosphor bronze , Au plated
Electronical
> Rated Current: 3A max
> Contact Resistance: <20mΩ
Mechanical
> Working Stroke: 4.3mm
> Spring Force Work: 1.0N/1.3N/2.0N
many different shapes of pin head tip we could supply as below , also provide ODM production and service .
![MR-040(1)](https://www.gongwong.com/static/image/lazy.gif)