| PartNumber | 1N4979 | 1N4979US |
| Description | Zener Diodes Zener Diodes | Zener Diodes 75V ZENER 500W |
| Manufacturer | Microchip | Semtech |
| Product Category | Zener Diodes | Zener Diodes |
| RoHS | N | - |
| Vz Zener Voltage | 75 V | 75 V |
| Mounting Style | Through Hole | SMD/SMT |
| Package / Case | E-Package-2 | - |
| Pd Power Dissipation | 5 W | - |
| Voltage Tolerance | 5 % | - |
| Voltage Temperature Coefficient | 0.1 %/C | 0.1 %/C |
| Zener Current | 63 mA | 63 mA |
| Zz Zener Impedance | 55 Ohms | 55 Ohms |
| Minimum Operating Temperature | - 65 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C |
| Configuration | Single | Single |
| Test Current | 20 mA | - |
| Packaging | Bulk | Bulk |
| Diameter | 3.42 mm | - |
| Length | 6.1 mm | - |
| Termination Style | Axial | - |
| Brand | Microchip / Microsemi | Semtech |
| Voltage Regulation Accuracy | 6 V | 6 V |
| Ir Reverse Current | 2 uA | 100 uA |
| Product Type | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.5 V | - |
| Series | - | 1N497 |