Signal relay selection, contact current, contact, contact resistance - 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
HFD4 Subminiature Signal Relay 3 VDC 140 MW https://www.futureelectronics.com/p/electromechanical--relays--signal-relays/hfd4-5-sr-hongfa-4155469