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| Part Number | 1N4551RB | 
| Datasheet | 1N4551RB datasheet | 
| Description | DIODE ZENER 4.7V 500MW DO5 | 
| Manufacturer | Microsemi Corporation | 
| Series | - | 
| Part Status | Active | 
| Voltage - Zener (Nom) (Vz) | 4.7V | 
| Tolerance | ±5% | 
| Power - Max | 500mW | 
| Impedance (Max) (Zzt) | 0.12 Ohms | 
| Current - Reverse Leakage @ Vr | 100µA @ 1V | 
| Voltage - Forward (Vf) (Max) @ If | 1.5V @ 10A | 
| Operating Temperature | -65°C ~ 175°C | 
| Mounting Type | Chassis, Stud Mount | 
| Package / Case | DO-203AB, DO-5, Stud | 
| Supplier Device Package | DO-5 |