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| PartNumber | 1N4581AUR-1 | 1N4581A-1 | 1N4581A |
| Description | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes OTC Temperature Compensated Zeners | Zener Diode, Two Terminal, 6.4 Volt, DO-35 |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | N | N | - |
| Vz Zener Voltage | 6.4 V | 6.4 V | - |
| Mounting Style | Axial | Through Hole | - |
| Package / Case | DO-35-2 | DO-35-2 | - |
| Pd Power Dissipation | 500 mW | 500 mW | - |
| Voltage Tolerance | 5 % | 1 % | - |
| Voltage Temperature Coefficient | 0.005 %/C | 0.005 %/C | - |
| Zener Current | 2 uA | 2 uA | - |
| Zz Zener Impedance | 25 Ohms | 25 Ohms | - |
| Minimum Operating Temperature | - 55 C | - 65 C | - |
| Maximum Operating Temperature | + 100 C | + 175 C | - |
| Configuration | Single | Single | - |
| Test Current | 4 mA | 4 mA | - |
| Packaging | Foil Bag | Foil Bag | - |
| 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 | - |