1N4978US/TR
VOLTAGE REGULATORManufacturer: Microchip Technology
Categories: Single Zener Diodes
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Microchip Technology 1N4978US-TR is a 5W Zener diode with a nominal breakdown voltage of 68V and a ±5% tolerance. This surface mount device, packaged in a D-5B (SQ-MELF, E) case via Tape & Reel, exhibits a maximum power dissipation of 5 watts. Key electrical specifications include a reverse leakage current of 2 µA at 51.7V and a Zener impedance (Zzt) of 50 Ohms maximum. The forward voltage (Vf) is a maximum of 1.5V at 1A. Operating temperature range is -65°C to 175°C. This component is commonly utilized in power supply regulation and voltage clamping applications across industrial, automotive, and consumer electronics sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 28 week(s)Product Status: ActivePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Tolerance | ±5% |
| Packaging | Tape & Reel (TR) |
| 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 |