Ultra Mini Low Signal PCB Relays Omron Electronics G5V-1 Ultra Mini Low Signal PCB Relays are 1A SPDT relays for signal circuits. With high sensitivity (150mW nominal power consumption) and a small size of 10mm H x 7.5mm W x 12.5mm L, Omron G5V-1 Ultra Mini Low Signal PCB Relays are RoHS compliant and conform to FCC part 68 requirements for coil to contacts and are ideal for use in telecommunications, security, and computer/peripheral equipment. G5V-1 relays offer switches from 1mA to 1A, as well as the new G5V-13 Series double contact versions with a minimum permissible load of DC100mV, 100uA.