JANS1N4478DUS
VOLTAGE REGULATORManufacturer: Microchip Technology
Categories: Single Zener Diodes
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Microchip Technology JANS1N4478DUS is a precision Zener diode designed for demanding applications requiring stable voltage regulation. This military-grade component offers a nominal Zener voltage of 36 V with a tight ±1% tolerance, ensuring consistent performance across various operating conditions. With a maximum power dissipation of 1.5 W and a low reverse leakage of 50 nA @ 28.8 V, it is suitable for applications where efficiency and reliability are paramount. The JANS1N4478DUS features a low impedance of 27 Ohms (Max) at its Zener voltage and is supplied in a compact SQ-MELF, A (D-5A) surface mount package. Its robust construction and MIL-PRF-19500/406 qualification make it ideal for use in aerospace, defense, and high-reliability industrial systems. The operating temperature range of -65°C to 175°C further underscores its suitability for extreme environments.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: 32 week(s)Product Status: ActivePackaging: BulkDownload Free CAD Model:
Technical Details:
| Tolerance | ±1% |
| Packaging | Bulk |
| Package / Case | SQ-MELF, A |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| Voltage - Zener (Nom) (Vz) | 36 V |
| Impedance (Max) (Zzt) | 27 Ohms |
| Supplier Device Package | D-5A |
| Grade | Military |
| Power - Max | 1.5 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A |
| Current - Reverse Leakage @ Vr | 50 nA @ 28.8 V |
| Qualification | MIL-PRF-19500/406 |