It's a 1N4733A 1w 5.1v Zener diode. This is a general purpose diode which is generally use in Voltage reference, Voltage stabilizer, Shunt regulator, Clipping and clamping circuits, Voltage switching operation, Different kinds of protection circuit.
Specification
| Zener Voltage | 5.1V |
| Zener Number | 1N4733A |
| Power Dissipation | 1W |
| Zener Tolerance | 5% |
| Package | DO-41 |
| Number of pieces | 1 |
| Country of Origin | China |
