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| Part Number | JAN1N4978DUS |
| Datasheet | JAN1N4978DUS datasheet |
| Description | DIODE ZENER 68V 5W D5B |
| Manufacturer | Microsemi Corporation |
| Series | Military, MIL-PRF-19500/356 |
| Part Status | Active |
| Voltage - Zener (Nom) (Vz) | 68V |
| Tolerance | ±1% |
| Power - Max | 5W |
| Impedance (Max) (Zzt) | 50 Ohms |
| Current - Reverse Leakage @ Vr | 2µA @ 51.7V |
| Voltage - Forward (Vf) (Max) @ If | 1.5V @ 1A |
| Operating Temperature | -65°C ~ 175°C |
| Mounting Type | Surface Mount |
| Package / Case | E-MELF |
| Supplier Device Package | D-5B |