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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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3,000 pcs
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3000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Current | |
| Forward Voltage | |
| Impedance (Max) (Zzt) | |
| Mounting Type | |
| Operating Temperature | |
| Operating Temperature Range | |
| Package / Case | |
| Power | |
| Power Dissipation | |
| Reverse Leakage Current | |
| Supplier Device Package | |
| Tape & Reel | |
| Tolerance | |
| Voltage | |
| Zener Impedance | |
| Zener Voltage |
The 1N4972US is a Zener diode from Microchip Technology offering a nominal zener voltage of 39V with a power dissipation rating of 5W. It features a zener impedance of 14Ω and a tolerance of ±5%. The reverse leakage current is 2µA at a reverse voltage of 29.7V, and the forward voltage is 1.5V at a forward current of 1A.
Designed for through-hole mounting, this diode comes in an SQ-MELF, E package (also known as E-MELF). It operates over a wide temperature range from -65°C to 175°C, making it suitable for rugged industrial and military applications.
Typical applications include voltage regulation, overvoltage protection, and reference voltage generation where high power handling and stable zener voltage are required. The robust E-MELF package provides high reliability in harsh environments.
39V
5W
±5%
2µA at 29.7V reverse voltage
1.5V at 1A forward current
-65°C to 175°C
SQ-MELF, E (E-MELF)