The BM05B-GHS-TBT is a 5-position, single-row surface-mount header from JST's GH series, on a 1.25mm pitch. It mates with GH series crimp receptacles (e.g., GHR-05V-S) to form a wire-to-board connection. The shrouded 4-wall design and locking ramp secure the mating pair against vibration-induced disconnection.
SMT assembly and retention
Mated stacking height is 7.3mm, which sets the board-to-cable clearance in the final assembly.
Position count vs. sibling
The closest functional sibling is the BM06B-GHS-TBT, which shares the same pitch, current rating, voltage, locking ramp, and SMT features but carries 6 positions instead of 5. Both use the same GH series receptacle family — the difference is purely the circuit count on the board.