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| PartNumber | 1N5939A G | 1N5939A/TR | 1N5939A |
| Description | Zener Diodes Zener Voltage Regulator Diode | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 100 | 100 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vz Zener Voltage | - | 39 V | 39 V |
| Mounting Style | - | Through Hole | Through Hole |
| Package / Case | - | DO-41-2 | DO-41-2 |
| Pd Power Dissipation | - | 1.5 W | 1.25 W |
| Voltage Tolerance | - | 10 % | 10 % |
| Zener Current | - | 38 mA | 38 mA |
| Zz Zener Impedance | - | 45 Ohms | 45 Ohms |
| Minimum Operating Temperature | - | - 65 C | - 65 C |
| Maximum Operating Temperature | - | + 175 C | + 175 C |
| Configuration | - | Single | Single |
| Test Current | - | 9.6 mA | 9.6 mA |
| Packaging | - | Reel | Bulk |
| Diameter | - | 2.16 mm | 2.16 mm |
| Length | - | 4.06 mm | 4.06 mm |
| If Forward Current | - | 200 mA | - |
| Ir Reverse Current | - | 1 uA | 1 uA |
| Vf Forward Voltage | - | 1.2 V | 1.2 V |
| Termination Style | - | - | Axial |