The SPH1F5S9 from Calex Manufacturing is a DC to DC Converter with Input Voltage 4.5 to 5.5 V, Output Voltage 1 9 V, Output Current 1 110 mA, Output Power 1 W, Isolation Voltage 1 kV. Tags: Through Hole, Boost/Step Up. More details for SPH1F5S9 can be seen below.