| PartNumber | 1N4975US/TR | 1N4975 | 1N4975US |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes 51V ZENER 500W |
| Manufacturer | Microchip | Microchip | Semtech |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | - |
| Vz Zener Voltage | 51 V | 51 V | 51 V |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | D-5B-2 | E-Package-2 | - |
| Pd Power Dissipation | 5 W | 5 W | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Voltage Temperature Coefficient | 0.095 %/C | 0.095 %/C | 0.095 %/C |
| Zener Current | 92 mA | 92 mA | 92 mA |
| Zz Zener Impedance | 27 Ohms | 27 Ohms | 27 Ohms |
| Minimum Operating Temperature | - 65 C | - 65 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 25 mA | 25 mA | - |
| Packaging | Reel | Bulk | Bulk |
| Height | 3.76 mm | - | - |
| Length | 5.72 mm | 6.1 mm | - |
| Width | 3.76 mm | - | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Semtech |
| If Forward Current | 1 A | - | - |
| Ir Reverse Current | 2 uA | 2 uA | 100 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 100 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.5 V | 1.5 V | - |
| Diameter | - | 3.42 mm | - |
| Termination Style | - | Axial | - |
| Voltage Regulation Accuracy | - | 4 V | 4 V |
| Series | - | - | 1N497 |