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| Part Number | 1N6637US | 1N6632US | 1N6634US | 1N6635US | 1N6636US |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 5.1 V | 3.3 V | 3.9 V | 4.3 V | 4.7 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 5 W | 5 W | 5 W | 5 W | 5 W |
| Impedance (Max) (Zzt) | 400 Ohms | 500 Ohms | 500 Ohms | 500 Ohms | 450 Ohms |
| Current - Reverse Leakage @ Vr | 5 µA @ 1 V | 300 µA @ 1 V | 175 µA @ 1 V | 25 µA @ 1 V | 20 µA @ 1 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A |
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SQ-MELF, E | SQ-MELF, B | SQ-MELF, E | SQ-MELF, E | SQ-MELF, E |
| Supplier Device Package | D-5B | D-5B | D-5B | D-5B | D-5B |
