| PartNumber | JANTXV1N978B-1 | JANTXV1N978B-1/TR | JANTXV1N978BUR-1 |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Vz Zener Voltage | 51 V | 51 V | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | DO-35-2 | DO-204AH-2 | - |
| Pd Power Dissipation | 400 mW | 0.5 W | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Voltage Temperature Coefficient | 0.096 %/C | 0.096 %/C | - |
| Zener Current | 5 uA | 7.4 mA | - |
| Zz Zener Impedance | 125 Ohms | 125 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | - |
| Test Current | 2.5 mA | 2.5 mA | - |
| Packaging | Foil Bag | Reel | Foil Bag |
| Diameter | 2.03 mm | 2.29 mm | - |
| Length | 4.44 mm | 5.08 mm | - |
| Termination Style | Axial | - | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.1 V | 1.1 V | - |
| Unit Weight | 0.004586 oz | - | - |
| If Forward Current | - | 200 mA | - |
| Ir Reverse Current | - | 0.5 uA | - |