The surface-mount package lets it sit flat on the PCB after reflow, with no through-hole tails to interfere with the battery compartment. The base material is copper alloy, giving a good balance of spring force and conductivity.
The part is offered in Tape & Reel (TR) for automated pick-and-place or Cut Tape (CT) for smaller builds. No official cross-reference or alternative is listed; the base product number is 292448.
This is a battery contact, not a header that mates with a discrete housing. It directly contacts the battery terminal — typically the positive and negative pads of a coin cell or a cylindrical cell with a 3.00mm pad spacing. The single-row layout and 3.00mm pitch are common in handheld medical devices, wearables, and IoT sensors where a coin cell is the primary power source. The gold plating is a plus for environments where the battery is user-replaceable and the contact sees multiple insertion cycles.