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| Part Number | 1N959B | 1N969B | 1N957B | 1N958B |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Microchip Technology | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Active | Obsolete |
| Voltage - Zener (Nom) (Vz) | 8.2 V | 22 V | 6.8 V | 7.5 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW |
| Impedance (Max) (Zzt) | 6.5 Ohms | 29 Ohms | 4.5 Ohms | 5.5 Ohms |
| Current - Reverse Leakage @ Vr | 50 µA @ 6.2 V | 5 µA @ 16.7 V | 150 µA @ 5.2 V | 75 µA @ 5.7 V |
| Voltage - Forward (Vf) (Max) @ If | - | - | 1.1 V @ 200 mA | - |
| Operating Temperature | -65°C ~ 200°C | -65°C ~ 200°C | -65°C ~ 175°C | -65°C ~ 200°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | DO-204AA, DO-7, Axial | DO-204AH, DO-35, Axial |
| Supplier Device Package | DO-35 (DO-204AH) | DO-35 (DO-204AH) | DO-7 | DO-35 (DO-204AH) |
