| PartNumber | 1SMA5918BT3G | 1SMA5918BT3 |
| 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 |