LM1 – 1W, Wide Input DC-DC Converter Series | Polytron 1 Watt 3 PIN SIP Package Small size and Low profile, 0.46″ x 0.30″ x 0.40″ Operating Temperature: -40° to +100°C Built in Filter Capacitor Download data sheets Industrial LM1 (596 KB) Rail & Transportation LM1 (596 KB)