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| Part Number | 1N4749ATR | 1N4749AUR | 1N4747ATR | 1N4748ATR | 1N4749A-TR |
|---|---|---|---|---|---|
| Manufacturer | onsemi | Microchip Technology | onsemi | onsemi | Vishay General Semiconductor - Diodes Division |
| Product Status | Active | Active | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 24 V | 24 V | 20 V | 22 V | 24 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 1 W | 1 W | 1 W | 1 W | 1.3 W |
| Impedance (Max) (Zzt) | 25 Ohms | 25 Ohms | 22 Ohms | 23 Ohms | 25 Ohms |
| Current - Reverse Leakage @ Vr | 5 µA @ 18.2 V | 5 µA @ 18.2 V | 5 µA @ 15.2 V | 5 µA @ 16.7 V | 5 µA @ 18.2 V |
| Voltage - Forward (Vf) (Max) @ If | - | 1.2 V @ 200 mA | - | - | 1.2 V @ 200 mA |
| Operating Temperature | -65°C ~ 200°C | -65°C ~ 175°C | -65°C ~ 200°C | -65°C ~ 200°C | 175°C (TJ) |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-204AL, DO-41, Axial | DO-213AB, MELF | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial |
| Supplier Device Package | DO-41 | DO-213AB | DO-41 | DO-41 | DO-204AL (DO-41) |
