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| PartNumber | 1N4742A-TAP | 1N4742A-T50A | 1N4742A-T |
| Description | Zener Diodes 12 Volt 1.3 Watt | Zener Diodes 12V 1W ZENER 5% | Zener Diodes DO-41 1W Zener 12V 5% |
| Manufacturer | Vishay | ON Semiconductor | Rectron |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | E | E | Y |
| Vz Zener Voltage | 12 V | - | 12 V |
| Mounting Style | Through Hole | - | Through Hole |
| Package / Case | DO-41-2 | - | DO-41 |
| Pd Power Dissipation | 1.3 W | - | 1 W |
| Voltage Tolerance | 5 % | - | - |
| Voltage Temperature Coefficient | - | - | 0.07 %/C |
| Zener Current | 5 uA | - | 200 mA |
| Zz Zener Impedance | 9 Ohms | - | 9 Ohms |
| Maximum Operating Temperature | + 175 C | - | + 200 C |
| Configuration | Single | - | Single |
| Test Current | 21 mA | - | 21 mA |
| Packaging | Ammo Pack | Ammo Pack | Reel |
| Diameter | 2.6 mm | - | - |
| Length | 4.1 mm | - | 5.51 mm |
| Termination Style | Axial | Axial | Axial |
| Brand | Vishay Semiconductors | ON Semiconductor / Fairchild | Rectron |
| Ir Reverse Current | 5 uA | - | 5 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 5000 | 3000 | 5000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.2 V | - | - |
| Unit Weight | 0.010935 oz | 0.008642 oz | 0.010935 oz |
| Series | - | 1N4742A | - |
| Part # Aliases | - | 1N4742A_T50A | - |
| Minimum Operating Temperature | - | - | - 65 C |
| Height | - | - | 2.72 mm |
| Width | - | - | 2.72 mm |