| PartNumber | ZM4746A L0G | ZM4746A-GS08 | ZM4746A L0 |
| Description | Zener Diodes Zener 1W 18V | Zener Diodes 18 Volt 1 Watt 5% | Zener Diodes 18 Volt 1 Watt 5% |
| Manufacturer | Taiwan Semiconductor | Vishay | Taiwan Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | Y | E | Y |
| Vz Zener Voltage | 18 V | 18 V | 18 V |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | MELF | DO-213AB-2 | MELF |
| Pd Power Dissipation | 1 W | 1 W | 1 W |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Zener Current | 5 uA | 5 uA | 5 uA |
| Zz Zener Impedance | 20 Ohms | 20 Ohms | 20 Ohms |
| Minimum Operating Temperature | - 65 C | - | - 65 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 14 mA | 14 mA | 14 mA |
| Packaging | Reel | Reel | Reel |
| Diameter | 2.67 mm | 2.6 mm | 2.67 mm |
| Length | 5.5 mm | 5.2 mm | 5.5 mm |
| Brand | Taiwan Semiconductor | Vishay Semiconductors | Taiwan Semiconductor |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 5000 | 1500 | 5000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Voltage Temperature Coefficient | - | - | - |
| Termination Style | - | SMD/SMT | - |
| Ir Reverse Current | - | 5 uA | 5 uA |
| Unit Weight | - | 0.006349 oz | 0.004021 oz |