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| PartNumber | 1SMA4742HM2G | 1SMA4742HR2G | 1SMA4742HR2 |
| Description | Zener Diodes DO-214AC (SMA) 1000mW 5% Znr Dio | Zener Diodes 1W, 12V, 5% ZENER DIODE, SMA | Zener Diodes 1W, 12V, 5% ZENER DIODE, SMA |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| Vz Zener Voltage | 12 V | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SMA-2 | - | - |
| Pd Power Dissipation | 1 W | - | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Zener Current | 1 uA | - | - |
| Zz Zener Impedance | 9 Ohms | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Test Current | 21 mA | - | - |
| Qualification | AEC-Q101 | AEC-Q101 | - |
| Series | 1SMA4742H | 1SMA | - |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | - |
| Ir Reverse Current | 1 uA | - | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| RoHS | - | Y | - |
| Packaging | - | Reel | - |
| Factory Pack Quantity | - | 7500 | - |