JANS1N4957DUS
ZENER DIODEManufacturer: Microchip Technology
Categories: Single Zener Diodes
Quality Control: Learn More
Microchip Technology's JANS1N4957DUS is a high-reliability Zener diode designed for demanding applications. This military-grade component, qualified to MIL-PRF-19500/356, features a precise 9.1V nominal Zener voltage with a tight ±1% tolerance. Engineered for robust performance, it offers a maximum power dissipation of 5W and a low Zener impedance of 2 Ohms (Zzt) at its rated voltage. The JANS1N4957DUS is packaged in a surface-mount SQ-MELF, E (D-5B) case, suitable for automated assembly. Its operating temperature range spans from -65°C to 175°C (TJ), ensuring reliable function in extreme environments. Typical reverse leakage current is 25 µA at 6.9V, and forward voltage is a maximum of 1.5V at 1A. This component finds application in aerospace, defense, and industrial sectors requiring stable voltage regulation.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: 32 week(s)Product Status: ActivePackaging: BulkDownload Free CAD Model:
Technical Details:
| Tolerance | ±1% |
| Packaging | Bulk |
| Package / Case | SQ-MELF, E |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| Voltage - Zener (Nom) (Vz) | 9.1 V |
| Impedance (Max) (Zzt) | 2 Ohms |
| Supplier Device Package | D-5B |
| Grade | Military |
| Power - Max | 5 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A |
| Current - Reverse Leakage @ Vr | 25 µA @ 6.9 V |
| Qualification | MIL-PRF-19500/356 |
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