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| PartNumber | 1N4491 | 1N4491CJAN | 1N4491CUSJAN |
| Description | Zener Diodes Z MET 120V | Diode Zener Single 120V 2% 1.5W 2-Pin Axial DO-41 Bag - Bag (Alt: JAN1N4491C) | Diode Zener Single 120V 2% 1.5W 2-Pin A-Case MELF SMD - Bag (Alt: JAN1N4491CUS) |
| Manufacturer | Semtech | - | - |
| Product Category | Zener Diodes | - | - |
| Vz Zener Voltage | 120 V | - | - |
| Mounting Style | Axial | - | - |
| Package / Case | DO-41-2 | - | - |
| Voltage Temperature Coefficient | 0.1 %/C | - | - |
| Zener Current | 12 mA | - | - |
| Zz Zener Impedance | 400 Ohms | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Series | 1N449 | - | - |
| Brand | Semtech | - | - |
| Voltage Regulation Accuracy | 5.5 V | - | - |
| Ir Reverse Current | 10 uA | - | - |
| Product Type | Zener Diodes | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Diodes & Rectifiers | - | - |