| PartNumber | 1N4731AUR/TR | 1N4731AUR | 1N4731ATR |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes 4.3V 1W ZENER 5% |
| Manufacturer | Microchip | Microchip | ON Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | Y |
| Vz Zener Voltage | 4.3 V | - | 4.3 V |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | DO-213AB-2 | DO-213AB-2 | DO-41-2 |
| Pd Power Dissipation | 1 W | 1 W | 1 W |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Zener Current | 10 uA | - | 10 uA |
| Zz Zener Impedance | 9 Ohms | - | 9 Ohms |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 200 C |
| Configuration | Single | - | Single |
| Test Current | 58 mA | - | 58 mA |
| Packaging | Reel | Bulk | Reel |
| Diameter | 2.66 mm | 2.66 mm | 2.72 mm |
| Length | 5.2 mm | 5.2 mm | 5.2 mm |
| Brand | Microchip / Microsemi | Microchip / Microsemi | ON Semiconductor / Fairchild |
| If Forward Current | 200 mA | - | - |
| Ir Reverse Current | 10 uA | - | 10 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 100 | 1 | 3000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.2 V | 1.2 V | - |
| Height | - | - | - |
| Termination Style | - | Solder Pad | Axial |
| Width | - | - | - |
| Unit Weight | - | 0.001411 oz | 0.008642 oz |
| Voltage Temperature Coefficient | - | - | - |
| Series | - | - | 1N4731A |
| Part # Aliases | - | - | 1N4731ATR_NL |