| PartNumber | JAN1N4977DUS | JAN1N4978 | JAN1N4977US |
| Description | Zener Diodes Zener Diodes | TVS Diodes / ESD Suppressors 68V ZENER 500W | TVS Diodes / ESD Suppressors 62V ZENER 500W |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Vz Zener Voltage | 62 V | - | - |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | D-5B-2 | E-Package-2 | D-5B-2 |
| Pd Power Dissipation | 5 W | - | - |
| Voltage Tolerance | 1 % | - | - |
| Voltage Temperature Coefficient | 0.1 %/C | - | - |
| Zener Current | 76 mA | - | - |
| Zz Zener Impedance | 42 Ohms | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Test Current | 20 mA | - | - |
| Packaging | Foil Bag | Bulk | Bulk |
| Height | 3.76 mm | - | 3.76 mm |
| Length | 5.72 mm | 6.1 mm | 5.72 mm |
| Width | 3.76 mm | - | 3.76 mm |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Voltage Regulation Accuracy | 5 V | - | - |
| Ir Reverse Current | 2 uA | - | - |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.5 V | - | - |
| Diameter | - | 3.42 mm | - |
| Termination Style | - | Axial | SMD/SMT |