TRACOPOWER TMR 3WI 3W Isolated DC-DC Converter Through Hole, Vin 18 → 75 V dc, Vout 24V dc. Input Voltage Nominal: 48 V dc. Isolation Voltage: 1600V dc. Railway Approved: Yes. Package: SIP 8. Ripple And Noise: 30mV Pk-Pk. Width: 9.2mm. Depth: 11.1mm. Special Features: Excellent Load & Line Regulation, Remote On/Off, Ultra Wide 4:1 Input Range. Application: Battery Operated Equipment. Standards Met: cULus Listed, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, IEC 60950-1, MIL-STD-810F, UL 94 V-0, UL/cUL 60950-1. MPN: TMR 3-4815WIR