Small signal relay, surface mount, what is a Signal Relay, 12VDC, SPST relay - tatanh1983/conchodom GitHub Wiki
HFD4 Subminiature Signal Relay 3 VDC 140 MW https://www.futureelectronics.com/p/electromechanical--relays--signal-relays/hfd4-5-sr-hongfa-4155469