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| PartNumber | TZX18B-TAP | TZX18B-TR | TZX18B |
| Description | Zener Diodes 18 Volt 0.5W 5% | Zener Diodes 18 Volt 0.5W 5% | |
| Manufacturer | Vishay | Vishay | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | E | E | - |
| Vz Zener Voltage | 18 V | 18 V | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | DO-35-2 | DO-35-2 | - |
| Pd Power Dissipation | 500 mW | 500 mW | - |
| Voltage Tolerance | - | - | - |
| Voltage Temperature Coefficient | - | - | - |
| Zener Current | 1 uA | 1 uA | - |
| Zz Zener Impedance | 55 Ohms | 55 Ohms | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | - |
| Test Current | 5 mA | 5 mA | - |
| Packaging | Ammo Pack | Reel | - |
| Diameter | 1.7 mm | 1.7 mm | - |
| Length | 3.9 mm | 3.9 mm | - |
| Termination Style | Axial | Axial | - |
| Brand | Vishay Semiconductors | Vishay Semiconductors | - |
| Ir Reverse Current | 1 uA | 1 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 10000 | 10000 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.5 V | 1.5 V | - |
| Unit Weight | 0.004833 oz | 0.004833 oz | - |