TRACOPOWER TMR 3WIR 3W Isolated DC-DC Converter Through Hole, Vout 9V dc Railway Approved, I/O isolation 1600V dc. Package: SIP 8. Railway Approved: Yes. Depth: 11.1mm. Protection Features: Continuous Short Circuit Protection. Weight: 4.8g. Length: 21.8mm. Width: 9.2mm. Ripple And Noise: 30mV Pk-Pk. Special Features: Excellent Load & Line Regulation, Remote On/Off, Ultra Wide 4:1 Input Range. Application: Battery Operated Equipment. MPN: TMR 3-7219WIR