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| PartNumber | BZX55F20-TAP | BZX55F20-TR | BZX55F22-TAP |
| Description | Zener Diodes RECOMMENDED ALT 78-BZX55B20-TAP | Zener Diodes RECOMMENDED ALT 78-BZX55B20 | Zener Diodes RECOMMENDED ALT 78-BZX55B22-TAP |
| Manufacturer | Vishay | Vishay | Vishay |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| Vz Zener Voltage | 20 V | 20 V | 22 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 | 3 % | 3 % | 3 % |
| Voltage Temperature Coefficient | 0.07 %/K | 0.07 %/K | 0.08 %/K |
| Zz Zener Impedance | 55 Ohms | 55 Ohms | 55 Ohms |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 5 mA | 5 mA | 5 mA |
| Height | 1.7 mm | 1.7 mm | 1.7 mm |
| Length | 3.9 mm | 3.9 mm | 3.9 mm |
| Width | 1.7 mm | 1.7 mm | 1.7 mm |
| Brand | Vishay Semiconductors | Vishay Semiconductors | Vishay Semiconductors |
| Ir Reverse Current | 100 nA | 100 nA | 100 nA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Unit Weight | 0.004833 oz | 0.004833 oz | 0.004833 oz |