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| Part Number | JANS1N4972US |
| Datasheet | JANS1N4972US datasheet |
| Description | DIODE ZENER 39V 5W D5B |
| Manufacturer | Microsemi Corporation |
| Series | - |
| Part Status | Discontinued at Digi-Key |
| Voltage - Zener (Nom) (Vz) | 39V |
| Tolerance | ±5% |
| Power - Max | 5W |
| Impedance (Max) (Zzt) | 14 Ohms |
| Current - Reverse Leakage @ Vr | 2µA @ 29.7V |
| Voltage - Forward (Vf) (Max) @ If | 1.5V @ 1A |
| Operating Temperature | -65°C ~ 175°C |
| Mounting Type | Surface Mount |
| Package / Case | SQ-MELF, B |
| Supplier Device Package | D-5B |