The 40HFR120 is a 1200V, 40A standard recovery rectifier diode from Solid State Devices Inc. It features a forward voltage of 1.3V at 40A and is housed in a DO-5 stud mount package.
The 40HF100 is a standard recovery rectifier diode from Solid State Devices Inc. It features a 1kV repetitive peak reverse voltage, 40A average rectified current, and a forward voltage of 1.3V at 40A, in a DO-5 stud mount package.
The 40HFR80 is a standard recovery rectifier diode by Solid State Devices Inc, rated for 800V reverse voltage and 40A average forward current, in a DO-5 stud mount package.