0.100" Pitch, 4-Position Breakaway Header
The 9-103801-0-02: Each male pin is square copper alloy with a 30.0 µinch gold mating finish over nickel, rated for 3 A per contact. Insulation height is 0.238" (6.05 mm), and the housing is black thermoplastic rated UL94 V-0.
Gold Mating vs Tin Post Finish
This split finish gives corrosion resistance at the mated interface and solderability on the board side — the tin post finish wets well in wave or hand solder processes without requiring a gold-compatible flux.
