| Part Number | 1N4972 | 1N4974 |
|---|---|---|
| Manufacturer | Microchip Technology | Solid State Inc. |
| Category | Diodes - Zener - Single | Diodes - Zener - Single |
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| Product Status | Active | Active |
| Voltage - Zener (Nom) (Vz) | 39 V | 47 V |
| Tolerance | ±5% | ±4.89% |
| Power - Max | 5 W | 5 W |
| Impedance (Max) (Zzt) | 14 Ohms | 25 Ohms |
| Current - Reverse Leakage @ Vr | 2 µA @ 29.7 V | 2 µA @ 35.8 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A | - |
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | E, Axial | SOD-57, Axial |
| Supplier Device Package | - | SOD-57 |