1pcs 3.0mm Pitch SMT DIP ... 
1Pcs Pogo Pin Spring Need... 
5Pcs Pogo Pin Connector P... Author: PogoGuy
How do Spring Contacts Work?
The primary current path in a spring loaded contact or probe is through the junction of the plunger with the barrel and the barrel with the receptacle, if a receptacle is used for quick-change capability. Secondary paths include the contact junction between the spring and plunger and the spring and barrel. Resistance is dependent on … read more
Technical Resources – Common Materials and References for Spring Contacts
BASE MATERIALS The choice of test probe and spring contact base materials is highly dependent on the performance demands of each individual component in the assembly, as well as the final assembled product, in it’s application and end use environment. 1. PLUNGERS AND BARRELS Phosphor Bronze is a choice for barrel material due to its … read more