| PartNumber | BZX55C18 R0 | BZX55C18-TAP | BZX55C18 R0G |
| Description | Zener Diodes Zener 500mW 18v | Zener Diodes 18 Volt 0.5W 5% | Zener Diodes Zener 500mW 18v |
| 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 | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-35-2 | DO-35-2 | DO-35-2 |
| Pd Power Dissipation | 500 mW | 500 mW | 500 mW |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Voltage Temperature Coefficient | - | 0.11 %/K | - |
| Zener Current | 5 mA | 100 nA | 0.1 uA |
| Zz Zener Impedance | 50 Ohms | 50 Ohms | 50 Ohms |
| Minimum Operating Temperature | - 55 C | - | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 5 mA | 5 mA | 5 mA |
| Packaging | Reel | Ammo Pack | Reel |
| Diameter | 2.28 mm | 1.7 mm | 2.28 mm |
| Length | 5.08 mm | 3.9 mm | 5.08 mm |
| Brand | Taiwan Semiconductor | Vishay Semiconductors | Taiwan Semiconductor |
| Ir Reverse Current | 0.1 uA | 100 nA | - |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 10000 | 10000 | 10000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1 V | 1.5 V | 1 V |
| Unit Weight | 0.004586 oz | 0.004833 oz | 0.003845 oz |
| Termination Style | - | Axial | - |