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| PartNumber | 1N4978US | 1N4978USJANTX | 1N4978USJAN |
| Description | Zener Diodes 68V ZENER 500W | Zener Single 68V 5000mW 2-Pin MELF - Trays (Alt: JANTX1N4978US) | Diode Zener Single 68V 5% 5W 2-Pin E-Case SMD Bag - Bag (Alt: JAN1N4978US) |
| Manufacturer | Semtech | - | - |
| Product Category | Zener Diodes | - | - |
| Vz Zener Voltage | 68 V | - | - |
| Mounting Style | SMD/SMT | - | - |
| Voltage Temperature Coefficient | 0.1 %/C | - | - |
| Zener Current | 70 mA | - | - |
| Zz Zener Impedance | 50 Ohms | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Packaging | Bulk | - | - |
| Series | 1N497 | - | - |
| Brand | Semtech | - | - |
| Voltage Regulation Accuracy | 5.5 V | - | - |
| Ir Reverse Current | 100 uA | - | - |
| Product Type | Zener Diodes | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Diodes & Rectifiers | - | - |