The HR2PFF8 from Micross is a Space Qualified Diode with Forward Current 1 to 3 A, Forward Voltage 1.7 V, Reverse Current 2 to 50 uA, Reverse Voltage 800 V, Non-Repetitive Peak Forward Current 45 A (surge). Tags: Axial-Lead. More details for HR2PFF8 can be seen below.