| PartNumber | 1N4738UR-1 | 1N4738Pe3/TR8 | 1N4738Pe3/TR12 |
| 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 | Y | Y |
| Mounting Style | SMD/SMT | Axial | Axial |
| Package / Case | DO-213AA-2 | DO-41-2 | DO-41-2 |
| Pd Power Dissipation | 1 W | 1 W | 1 W |
| Voltage Tolerance | 10 % | 10 % | 10 % |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 150 C | + 150 C |
| Packaging | Foil Bag | Reel | Reel |
| Diameter | 2.66 mm | 2.718 mm | 2.718 mm |
| Height | - | - | - |
| Length | 5.2 mm | 5.207 mm | 5.207 mm |
| Termination Style | Solder Pad | - | - |
| Width | - | - | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1500 | 4000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.2 V | 1.2 V | 1.2 V |
| Unit Weight | 0.001411 oz | 0.010935 oz | 0.010935 oz |
| Vz Zener Voltage | - | 8.2 V | 8.2 V |
| Zener Current | - | 110 mA | 110 mA |
| Zz Zener Impedance | - | 4.5 Ohms | 4.5 Ohms |
| Configuration | - | Single | Single |
| Test Current | - | 31 mA | 31 mA |
| Ir Reverse Current | - | 10 uA | 10 uA |