JANS1N4991DUS/TR
VOLTAGE REGULATORManufacturer: Microchip Technology
Categories: Single Zener Diodes
Quality Control: Learn More
Microchip Technology’s JANS1N4991DUS-TR is a military-grade Zener diode with a nominal breakdown voltage of 240 V and a tight tolerance of ±1%. This 5 W device features a low reverse leakage current of 2 µA at 182 V and a maximum impedance of 650 Ohms. Designed for robust performance, it operates across a wide temperature range of -65°C to 175°C. The component is housed in an E-MELF package, suitable for surface mount applications and supplied on tape and reel. Its qualification under MIL-PRF-19500/356 underscores its reliability for demanding environments. This Zener diode finds application in power supply regulation and voltage stabilization circuits within aerospace, defense, and high-reliability industrial systems.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: 32 week(s)Product Status: ActivePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Tolerance | ±1% |
| Packaging | Tape & Reel (TR) |
| Package / Case | SQ-MELF, E |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| Voltage - Zener (Nom) (Vz) | 240 V |
| Impedance (Max) (Zzt) | 650 Ohms |
| Supplier Device Package | E-MELF |
| Grade | Military |
| Power - Max | 5 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A |
| Current - Reverse Leakage @ Vr | 2 µA @ 182 V |
| Qualification | MIL-PRF-19500/356 |