TS series output voltage 0 to 300V output current 0 to 1mA output power 0 to 150mW Miniature Size High Voltage Power Supplies Suitable for APDs and Photodetectors TR series output voltage 0 to 800V output current 0 to 1mA output power 0 to 400mW HV Power Supply for APD Compatible with external output voltage control TP series output voltage 0 to 300V output current 0 to 1mA output power 0 to 300mW