The BZT52B4V7S from Rectron Semiconductor is a Power Diode with Forward Current 0.01 A, Forward Voltage 0.9 V, Reverse Current 3 uA, Reverse Voltage 2.0 V, Repetitive Peak Reverse Voltage 2.0 V. Tags: Surface Mount. More details for BZT52B4V7S can be seen below.