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| Part Number | 1N4731A_T50R | 1N4732A_T50R | 1N4730A_T50R | 
|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 4.3 V | 4.7 V | 3.9 V | 
| Tolerance | ±5% | ±5% | ±5% | 
| Power - Max | 1 W | 1 W | 1 W | 
| Impedance (Max) (Zzt) | 9 Ohms | 8 Ohms | 9 Ohms | 
| Current - Reverse Leakage @ Vr | 10 µA @ 1 V | 10 µA @ 1 V | 50 µA @ 1 V | 
| Voltage - Forward (Vf) (Max) @ If | - | - | - | 
| Operating Temperature | -65°C ~ 200°C | -65°C ~ 200°C | -65°C ~ 200°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | 
| Package / Case | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | 
| Supplier Device Package | DO-41 | DO-41 | DO-41 |