1N4973US
DIODE ZENER 43V 5W D5BManufacturer: Microchip Technology
Categories: Single Zener Diodes
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Microchip Technology's 1N4973US is a 5W Zener diode offering a nominal Zener voltage of 43V with a ±5% tolerance. This device features a low reverse leakage current of 2 µA at 32.7V and a maximum Zener impedance of 20 Ohms. Designed for surface mount applications, it is supplied in the D-5B package (SQ-MELF, E) and supports operation across a wide temperature range from -65°C to 175°C. The forward voltage is specified at a maximum of 1.5V at 1A. This component is commonly utilized in power supply regulation and voltage clamping circuits across industrial, automotive, and telecommunications sectors.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Tolerance | ±5% |
| Packaging | Bulk |
| Package / Case | SQ-MELF, E |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 175°C |
| Voltage - Zener (Nom) (Vz) | 43 V |
| Impedance (Max) (Zzt) | 20 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 @ 32.7 V |
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