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| PartNumber | 1N4728A-T50A | 1N4728ATR | 1N4728A-T |
| Description | Zener Diodes 3.3V 1W ZENER 5% | Zener Diodes 3.3V 1W ZENER 5% | Zener Diodes DO-41 1W Zener 3.3V 5% |
| Manufacturer | ON Semiconductor | ON Semiconductor | Rectron |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | Y | Y | Y |
| Packaging | Ammo Pack | Reel | Reel |
| Series | 1N4728A | 1N4728A | - |
| Termination Style | Axial | Axial | Axial |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | Rectron |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 3000 | 3000 | 5000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Part # Aliases | 1N4728A_T50A | 1N4728ATR_NL | - |
| Unit Weight | 0.008642 oz | 0.008642 oz | 0.010935 oz |
| Vz Zener Voltage | - | 3.3 V | 3.3 V |
| Mounting Style | - | Through Hole | Through Hole |
| Package / Case | - | DO-41-2 | DO-41 |
| Pd Power Dissipation | - | 1 W | 1 W |
| Voltage Tolerance | - | 5 % | - |
| Voltage Temperature Coefficient | - | - | - |
| Zener Current | - | 100 uA | 200 mA |
| Zz Zener Impedance | - | 10 Ohms | 10 Ohms |
| Minimum Operating Temperature | - | - 65 C | - 65 C |
| Maximum Operating Temperature | - | + 200 C | + 200 C |
| Configuration | - | Single | Single |
| Test Current | - | 76 mA | 76 mA |
| Diameter | - | 2.72 mm | - |
| Length | - | 5.2 mm | 5.51 mm |
| Ir Reverse Current | - | 100 uA | 100 uA |
| Height | - | - | 2.72 mm |
| Width | - | - | 2.72 mm |