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| PartNumber | 1N4478US | 1N4478US/TR | 1N4478USJAN |
| Description | Zener Diodes 36V ZENER 1.5W | Zener Diodes Zener Diodes | Zener Single 36V 1500mW 2-Pin MELF - Bulk (Alt: JAN1N4478US) |
| Manufacturer | Semtech | Microchip | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| Vz Zener Voltage | 36 V | 36 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Voltage Temperature Coefficient | 0.093 %/C | - | - |
| Zener Current | 40 mA | 40 mA | - |
| Zz Zener Impedance | 27 Ohms | 27 Ohms | - |
| Minimum Operating Temperature | - 55 C | - 65 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | - |
| Packaging | Bulk | Reel | - |
| Series | 1N447 | - | - |
| Brand | Semtech | Microchip / Microsemi | - |
| Voltage Regulation Accuracy | 1.7 V | - | - |
| Ir Reverse Current | 2 uA | 0.05 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 1 | 100 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| RoHS | - | N | - |
| Package / Case | - | D-5A-2 | - |
| Pd Power Dissipation | - | 1.5 W | - |
| Voltage Tolerance | - | 5 % | - |
| Test Current | - | 7 mA | - |
| Height | - | 2.62 mm | - |
| Length | - | 5.08 mm | - |
| Width | - | 2.62 mm | - |
| If Forward Current | - | 200 mA | - |
| Vf Forward Voltage | - | 1 V | - |