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| PartNumber | 1N4972US/TR | 1N4972US | 1N4972USJAN |
| Description | Zener Diodes Zener Diodes | Zener Diodes 39V ZENER 500W | Diode Zener Single 39V 5% 5W 2-Pin E-Case SMD Bag - Bag (Alt: JAN1N4972US) |
| Manufacturer | Microchip | Semtech | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | N | Y | - |
| Vz Zener Voltage | 39 V | 39 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | D-5B-2 | - | - |
| Pd Power Dissipation | 5 W | - | - |
| Voltage Tolerance | 5 % | - | - |
| Voltage Temperature Coefficient | 0.095 %/C | 0.095 %/C | - |
| Zener Current | 122 mA | 122 mA | - |
| Zz Zener Impedance | 14 Ohms | 14 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 55 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | - |
| Test Current | 30 mA | - | - |
| Packaging | Reel | Bulk | - |
| Height | 3.76 mm | - | - |
| Length | 5.72 mm | - | - |
| Width | 3.76 mm | - | - |
| Brand | Microchip / Microsemi | Semtech | - |
| If Forward Current | 1 A | - | - |
| Ir Reverse Current | 2 uA | 100 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 100 | 1 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.5 V | - | - |
| Series | - | 1N497 | - |
| Voltage Regulation Accuracy | - | 3 V | - |