The AIH20B300-L from Artesyn Embedded Power is a DC to DC Converter with Input Voltage 300 V, Output Voltage 1 12 V, Output Current 1 20.8 A, Output Power 250 W, Operating Temperature -20 to 100 Degree C. Tags: Through Hole, Buck/Step down. More details for AIH20B300-L can be seen below.