Models Buzzer/Beeper 3-24V 22mm dia x 11mm leaded 8 407 0 PCB mount current transformer 5A-2p5mA 12.7mm pitch 4 46 0 Electret microphone 9.7mm dia 2.54mm pin pitch. step file 2 133 0 Electret microphone 9.7mm dia 2.54mm pin pitch 2 73 0 Relay G4A-1A -- JQX-102F 4 20 1