The JANTXV1N6391 from Microchip Technology is a Power Diode with Forward Current 22.5 A, Forward Voltage 0.50 to 0.68 V, Repetitive Peak Reverse Voltage 45 V, Non-Repetitive Peak Forward Current 600 A, Temperature operating range -55 to 175 Degree C. Tags: Stud Mount. More details for JANTXV1N6391 can be seen below.