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| PartNumber | BZX55B20 A0G | BZX55B20 R0 | BZX55B20 |
| Description | Zener Diodes DO-35, 500mW, 2% Sm Signal Znr Diode | Zener Diodes Zener 500mW 20v | Zener Diodes Zener 500mW 20v |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Diodes - Zener - Single |
| Vz Zener Voltage | 20 V | 20 V | - |
| Mounting Style | Through Hole | Through Hole | Axial |
| Package / Case | DO-35-2 | DO-35 | - |
| Pd Power Dissipation | 500 mW | 500 mW | - |
| Voltage Tolerance | 2 % | 2 % | - |
| Zener Current | 5 mA | 0.1 uA | - |
| Zz Zener Impedance | 55 Ohms | 55 Ohms | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Configuration | Single | Single | Single |
| Test Current | 5 mA | 5 mA | - |
| Series | BZX55B20 | - | - |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | - |
| If Forward Current | 100 mA | - | - |
| Ir Reverse Current | 0.1 uA | - | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1 V | 1 V | - |
| RoHS | - | Y | - |
| Voltage Temperature Coefficient | - | - | - |
| Packaging | - | Reel | Reel |
| Diameter | - | 2.28 mm | - |
| Length | - | 5.08 mm | - |
| Factory Pack Quantity | - | 10000 | - |
| Unit Weight | - | 0.004586 oz | 0.004586 oz |
| Package Case | - | - | DO-35-2 |