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| PartNumber | 1SMA4738 | 1SMA4738 M2G | 1SMA4738 R2 |
| Description | Zener Diodes 1W,8V2,5%,ZENER,SMA | Zener Diodes DO-214AC (SMA) 1000mW 5% Znr Dio | Zener Diodes 1W, 8.2V, 5% ZENER DIODE, SMA |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | Y | - | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | DO-214AC-2 | SMA-2 | - |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Configuration | Single | Single | - |
| Packaging | Reel | - | Reel |
| Series | 1SMA | 1SMA4738 | 1SMA |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 7500 | - | 7500 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Unit Weight | 0.001199 oz | - | - |
| Vz Zener Voltage | - | 8.2 V | - |
| Pd Power Dissipation | - | 1 W | - |
| Zener Current | - | 5 uA | - |
| Zz Zener Impedance | - | 4.5 Ohms | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Maximum Operating Temperature | - | + 175 C | - |
| Test Current | - | 31 mA | - |
| Ir Reverse Current | - | 5 uA | - |