| PartNumber | JAN1N978BUR-1/TR | JAN1N978BUR-1 | JAN1N978B-1 |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes Zener Voltage Regulator Diode |
| Manufacturer | Microchip | Microchip | Microsemi HI-REL [MIL] |
| Product Category | Zener Diodes | Zener Diodes | Diodes - Zener - Single |
| RoHS | N | N | - |
| Vz Zener Voltage | 51 V | - | - |
| Mounting Style | SMD/SMT | - | Through Hole |
| Package / Case | DO-213AA-2 | - | - |
| Pd Power Dissipation | 0.5 W | - | - |
| Voltage Tolerance | 5 % | - | - |
| Voltage Temperature Coefficient | 0.096 %/C | - | - |
| Zener Current | 7.4 mA | - | - |
| Zz Zener Impedance | 125 Ohms | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Test Current | 2.5 mA | - | - |
| Packaging | Reel | Foil Bag | Bulk |
| Diameter | 2.29 mm | - | 2.03 mm |
| Length | 5.08 mm | - | 4.44 mm |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| If Forward Current | 200 mA | - | - |
| Ir Reverse Current | 0.5 uA | - | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.1 V | - | - |
| Series | - | - | - |
| Unit Weight | - | - | 0.004586 oz |
| Package Case | - | - | DO-204AH, DO-35, Axial |
| Operating Temperature | - | - | -65°C ~ 175°C |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | DO-35 |
| Tolerance | - | - | ±5% |
| Power Max | - | - | 500mW |
| Voltage Zener Nom Vz | - | - | 51V |
| Impedance Max Zzt | - | - | 125 Ohm |
| Current Reverse Leakage Vr | - | - | 5μA @ 38.8V |
| Voltage Forward Vf Max If | - | - | 1.1V @ 200mA |