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| PartNumber | 1N748A | 1N748A BK | 1N748 |
| Description | Zener Diodes Zener Diodes | Zener Diodes 3.9V .5W | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Central Semiconductor | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | Y | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-35-2 | DO-35 | DO-35-2 |
| Packaging | Bulk | Bulk | Foil Bag |
| Brand | Microchip / Microsemi | Central Semiconductor | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 2500 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Unit Weight | 0.004833 oz | 0.004833 oz | 0.004833 oz |
| Vz Zener Voltage | - | 3.9 V | - |
| Pd Power Dissipation | - | 500 mW | - |
| Voltage Tolerance | - | 5 % | - |
| Zener Current | - | 95 mA | - |
| Zz Zener Impedance | - | 23 Ohms | - |
| Minimum Operating Temperature | - | - 65 C | - |
| Maximum Operating Temperature | - | + 200 C | - |
| Configuration | - | Single | - |
| Test Current | - | 20 mA | - |
| Series | - | 1N748 | - |
| Height | - | 2.29 mm | - |
| Length | - | 5.08 mm | - |
| Termination Style | - | Axial | - |
| Width | - | 2.29 mm | - |
| Ir Reverse Current | - | 10 uA | - |
| Part # Aliases | - | 1N748A BK PBFREE | - |