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| PartNumber | 1SMA4749 M2G | 1SMA4749 R2 | 1SMA4749 |
| Description | Zener Diodes DO-214AC (SMA) 1000mW 5% Znr Dio | Zener Diodes 1W, 24V, 5% ZENER DIODE, SMA | Zener Diodes 24V |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| Vz Zener Voltage | 24 V | 24 V | 24 V |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SMA-2 | DO-214AC-2 | DO-214AC-2 |
| Pd Power Dissipation | 1 W | 1 W | 1.25 W |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Zener Current | 1 uA | - | 1 uA |
| Zz Zener Impedance | 25 Ohms | 25 Ohms | 25 Ohms |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 150 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 10.5 mA | 10.5 mA | 10.5 mA |
| Series | 1SMA4749 | 1SMA | 1SMA |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Ir Reverse Current | 1 uA | 5 uA | 1 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| RoHS | - | Y | Y |
| Packaging | - | Reel | Reel |
| Height | - | 2.41 mm | 2.5 mm |
| Length | - | 4.75 mm | 4.6 mm |
| Width | - | 2.83 mm | 2.83 mm |
| Factory Pack Quantity | - | 7500 | 7500 |
| Unit Weight | - | 0.003739 oz | 0.003739 oz |
| Voltage Temperature Coefficient | - | - | - |
| Diameter | - | - | - |
| Termination Style | - | - | SMD/SMT |
| Voltage Regulation Accuracy | - | - | - |
| Vf Forward Voltage | - | - | - |
| Part # Aliases | - | - | 1SMA4749 R3G |