1N4978US
DIODE ZENER 68V 5W D5BManufacturer: Microchip Technology
Categories: Single Zener Diodes
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Microchip Technology 1N4978US Zener Diode. This 5W diode offers a precise 68V nominal Zener voltage with a ±5% tolerance. Designed for robust performance, it features a low reverse leakage current of 2 µA at 51.7V and a maximum Zener impedance of 50 Ohms. The 1N4978US is packaged in a D-5B (SQ-MELF, E) surface mount configuration, suitable for demanding operating temperatures from -65°C to 175°C. Applications include voltage regulation and surge suppression in industrial control, automotive electronics, and aerospace systems.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Tolerance | ±5% |
| Packaging | Bulk |
| Package / Case | SQ-MELF, E |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C |
| Voltage - Zener (Nom) (Vz) | 68 V |
| Impedance (Max) (Zzt) | 50 Ohms |
| Supplier Device Package | D-5B |
| Power - Max | 5 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A |
| Current - Reverse Leakage @ Vr | 2 µA @ 51.7 V |