1N4990US/TR
VOLTAGE REGULATORManufacturer: Microchip Technology
Categories: Single Zener Diodes
Quality Control: Learn More
Microchip Technology 1N4990US-TR is a 5W Zener diode with a nominal breakdown voltage of 220V and a tight ±5% tolerance. This component features a low reverse leakage current of 2 µA at 167V and a maximum impedance of 550 Ohms. Designed for surface mounting, it utilizes the E-MELF (SQ-MELF, E) package for efficient heat dissipation and high-density PCB layouts. The operating temperature range extends from -65°C to 175°C (TJ). The 1N4990US-TR is supplied in a Digi-Reel® for automated assembly processes. Its robust construction and precise voltage regulation make it suitable for power supply regulation, surge suppression, and voltage clamping applications across various industrial and telecommunications systems.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: 28 week(s)Product Status: ActivePackaging: Digi-Reel®Download Free CAD Model:
Technical Details:
| Tolerance | ±5% |
| Packaging | Digi-Reel® |
| Package / Case | SQ-MELF, E |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| Voltage - Zener (Nom) (Vz) | 220 V |
| Impedance (Max) (Zzt) | 550 Ohms |
| Supplier Device Package | E-MELF |
| Power - Max | 5 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A |
| Current - Reverse Leakage @ Vr | 2 µA @ 167 V |
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