SRD-20T-3.7 SRD-20T-4 SRD20U80SP SRD-2-1/2 SRD210/14V/V4 SRD2-1A-AC-1-BNN SRD2-1A-AC-1-RNN SRD2-1A-DC-1-BAN SRD2-1A-DC-1-BGN SRD2-1A-DC-1-BNN