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| PartNumber | 1N4578A-1 | 1N4578A-1/TR | 1N4578A-1e3 |
| Description | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | N | N | - |
| Vz Zener Voltage | 6.4 V | 6.4 V | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | DO-35-2 | DO-35-2 | - |
| Pd Power Dissipation | 500 mW | 500 mW | - |
| Voltage Tolerance | 1 % | 5 % | - |
| Voltage Temperature Coefficient | 0.001 %/C | 0.001 %/C | - |
| Zener Current | 2 uA | 70 mA | - |
| Zz Zener Impedance | 50 Ohms | 50 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | - |
| Test Current | 2 mA | 2 mA | - |
| Packaging | Bulk | Reel | - |
| Diameter | 2.03 mm | 2.03 mm | - |
| Length | 4.44 mm | 4.44 mm | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| Ir Reverse Current | 2 uA | 2 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |