Found 6 alternatives for 100745-3 by TE Connectivity AMP Connectors. Backplane Connectors Housings — Tube.
CONN RCPT HSG MULTI-BEAM 2POS
CONN RCPT HSG MULTI-BEAM 2POS
CONN SHROUD 120POS PCB
CONN RCPT HSG MULTI-BEAM 3POS
CONN PLUG HSG HARD METRIC 6P GRY
CONN RCPT HSG MULTI-BEAM 32P BLK