5745183-2 is an AMPLIMITE HD-20 subminiature D receptacle connector designed for PCB mounting applications. This straight posted connector features 9 contact positions in a shell size 1 configuration with .120 [3.05] mounting holes. The contacts are phosphor bronze with gold flash plating (Code B) on the mating end and tin on the termination end, with .000050 [0.00127] minimum nickel underplating. Key dimensions include A: 1.213 [30.81], B: .984 [24.99], C: .494 [12.55], and post length D: .188 [4.78]. This connector is ideal for data communication, industrial control, and general-purpose electronic interconnect applications requiring reliable signal transmission.