The JST WPJ series B02B-WPJSS-1(LF)(SN) is a 2-position single-row shrouded header designed for board-to-cable/wire interconnects. It sits at the entry point of the WPJ family, which focuses on waterproof, mid-power connections in a compact 5.00 mm pitch format. The through-hole solder termination and latch holder fastening provide a mechanically secure joint that stays mated under vibration — useful when the connector lives on a panel that gets bumped during service.
Waterproof rating and deployment context
This header carries an ingress protection rating of Waterproof, which means the mated pair seals against moisture ingress — think outdoor lighting, marine electronics, or washdown zones in food processing lines. The latch holder locks audibly when fully seated; a half-turn loose isn't a concern here because the latch, not a threaded coupling, holds the pair together. The UL94 V-0 PBT housing handles the heat from 7 A per circuit without softening, and the -25°C to 85°C operating range covers most outdoor enclosures short of deep freeze storage.
The through-hole solder tails are 0.130" (3.30 mm) long — standard for a 1.6 mm PCB.