The BZM55C5.1BSA from Rectron Semiconductor is a Power Diode with Forward Current 0.1 A, Forward Voltage 1.0 V, Reverse Current 5.0 uA, Reverse Voltage 1.5 V, Repetitive Peak Reverse Voltage 1.5 V. Tags: Surface Mount. More details for BZM55C5.1BSA can be seen below.