The AZ23C12W-TP from Micro Commercial Components is a Power Diode with Reverse Current 0.1 uA, Reverse Voltage 9.0 V, Repetitive Peak Reverse Voltage 9.0 V, Temperature operating range -55 to 150 Degree C, Reverse Breakdown Voltage 9.0 V. Tags: Surface Mount. More details for AZ23C12W-TP can be seen below.