| PartNumber | JANTXV1N4978 | JANTXV1N4977US | JANTXV1N4978US |
| Description | TVS Diodes / ESD Suppressors 68V ZENER 500W | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip | Semtech |
| Product Category | Zener Diodes | Zener Diodes | TVS Diodes / ESD Suppressors |
| RoHS | N | N | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | E-Package-2 | D-5B-2 | - |
| Packaging | Bulk | Bulk | - |
| Diameter | 3.42 mm | - | - |
| Length | 6.1 mm | 5.72 mm | - |
| Termination Style | Axial | SMD/SMT | SMD/SMT |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Semtech |
| Product Type | Zener Diodes | Zener Diodes | TVS Diodes |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | TVS Diodes / ESD Suppression Diodes |
| Vz Zener Voltage | - | 62 V | - |
| Pd Power Dissipation | - | 5 W | - |
| Voltage Tolerance | - | 5 % | - |
| Voltage Temperature Coefficient | - | 0.1 %/C | - |
| Zener Current | - | 2 uA | - |
| Zz Zener Impedance | - | 42 Ohms | - |
| Minimum Operating Temperature | - | - 65 C | - |
| Maximum Operating Temperature | - | + 175 C | - |
| Test Current | - | 20 mA | - |
| Height | - | 3.76 mm | - |
| Width | - | 3.76 mm | - |
| Series | - | - | JANTXV1N497 |
| Part # Aliases | - | - | JTXV1N4978US |