The MPH04-24S09 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 9 V, Output Current 1 389 mA, Isolation Voltage 5000 V, Operating Temperature -40 to 105 ºC. Tags: Through Hole, Buck/Step down. More details for MPH04-24S09 can be seen below.