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| PartNumber | 1N5249B | 1N5249A | 1N5249A (DO-35) |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | DIODE ZENER 19V 500MW DO35 |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| Vz Zener Voltage | 19 V | 19 V | - |
| Mounting Style | Through Hole | Axial | - |
| Package / Case | DO-7 | DO-7-2 | - |
| Pd Power Dissipation | 500 mW | 0.5 W | - |
| Voltage Tolerance | 5 % | 10 % | - |
| Voltage Temperature Coefficient | 0.086 %/C | 0.086 %/C | - |
| Zener Current | 0.1 uA | - | - |
| Zz Zener Impedance | 23 Ohms | 23 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 200 C | + 200 C | - |
| Configuration | Single | Single | - |
| Test Current | 6.6 mA | 6.6 mA | - |
| Packaging | Bulk | Foil Bag | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.1 V | 1.1 V | - |
| Part # Aliases | (DO-35) 1N5249B | (DO-35) 1N5249A | - |
| Diameter | - | 2.718 mm | - |
| Length | - | 7.62 mm | - |
| Ir Reverse Current | - | 0.1 uA | - |