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| Part Number | 1N4556B | 1N4556RB | 1N4556R | 1N4555B | 1N4556 |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Solid State Inc. | Microchip Technology | Solid State Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 7.5 V | 7.5 V | 7.5 V | 6.8 V | 7.5 V |
| Tolerance | ±5% | ±5% | ±20% | ±5% | ±20% |
| Power - Max | 500 mW | 500 mW | 50 W | 500 mW | 50 W |
| Impedance (Max) (Zzt) | 0.24 Ohms | 0.24 Ohms | 0.24 Ohms | 0.16 Ohms | 0.24 Ohms |
| Current - Reverse Leakage @ Vr | 10 µA @ 3 V | 10 µA @ 3 V | - | 10 µA @ 2 V | - |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 10 A | 1.5 V @ 10 A | 1.5 V @ 10 A | 1.5 V @ 10 A | 1.5 V @ 10 A |
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C (TJ) | -65°C ~ 175°C | -65°C ~ 175°C (TJ) |
| Mounting Type | Chassis, Stud Mount | Chassis, Stud Mount | Stud Mount | Chassis, Stud Mount | Stud Mount |
| Package / Case | DO-203AB, DO-5, Stud | DO-203AB, DO-5, Stud | DO-203AB, DO-5, Stud | DO-203AB, DO-5, Stud | DO-203AB, DO-5, Stud |
| Supplier Device Package | DO-5 | DO-5 | DO-5 | DO-5 | DO-5 |
