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| PartNumber | 1SMA5918BT3G | 1SMA5918BT3 | 1SMA5918BT3 , PST529IMT |
| Description | Zener Diodes 5.1V 0.5W | Zener Diodes 5.1V 1.5W | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | Y | N | - |
| Vz Zener Voltage | 5.1 V | 5.1 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SMA-2 | SMA | - |
| Pd Power Dissipation | 0.5 W | 500 mW | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Voltage Temperature Coefficient | - | - | - |
| Zener Current | 2.5 uA | 294 mA | - |
| Zz Zener Impedance | 4 Ohms | 4 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Configuration | Single | Single | - |
| Test Current | 73.5 mA | 73.5 mA | - |
| Packaging | Reel | Reel | - |
| Series | 1SMA5918B | - | - |
| Diameter | - | - | - |
| Height | 2.1 mm | 2 mm | - |
| Length | 4.32 mm | 4.32 mm | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Width | 2.6 mm | 2.6 mm | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Voltage Regulation Accuracy | - | - | - |
| Ir Reverse Current | 2.5 uA | 2.5 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 5000 | 5000 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.2 V | - | - |
| Unit Weight | 0.003739 oz | 0.003739 oz | - |