The HRPFF4 from Micross is a Space Qualified Diode with Forward Current 0.7 to 1.25 A, Forward Voltage 2.5 V, Reverse Current 1 to 10 uA, Reverse Voltage 400 V, Repetitive Peak Reverse Voltage 400 V. Tags: Axial-Lead. More details for HRPFF4 can be seen below.