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| PartNumber | 1N4471 | 1N4471 TR | 1N4471 BK |
| Description | Zener Diodes ZMET18V | Zener Diodes 18Vz 11 Zzt Ohm 14.4 Vr 79 mA 1.5pD | Zener Diodes 18Vz 11 Zzt Ohm 14.4 Vr 79 mA 1.5pD |
| Manufacturer | Semtech | Central Semiconductor | Central Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | Y | Y |
| Vz Zener Voltage | 18 V | 18 V | 18 V |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-41-2 | DO-41 | DO-41 |
| Pd Power Dissipation | 1.5 W | 1.5 W | 1.5 W |
| Voltage Tolerance | - | 5 % | 5 % |
| Voltage Temperature Coefficient | 0.085 %/C | - | - |
| Zener Current | 50 nA | 0.05 uA | 0.05 uA |
| Zz Zener Impedance | 11 Ohms | 11 Ohms | 11 Ohms |
| Minimum Operating Temperature | - 55 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 200 C | + 200 C |
| Configuration | Single | Single | Single |
| Series | 1N447 | - | - |
| Diameter | 2.16 mm | 2.72 mm | 2.72 mm |
| Length | 4.06 mm | 5.21 mm | 5.21 mm |
| Brand | Semtech | Central Semiconductor | Central Semiconductor |
| Voltage Regulation Accuracy | 830 mV | - | - |
| Ir Reverse Current | 50 nA | 0.05 uA | 0.05 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 5000 | 2000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Test Current | - | 14 mA | 14 mA |
| Packaging | - | Reel | Bulk |
| Part # Aliases | - | 1N4471 PBFREE TR | 1N4471 BK PBFREE |
| Unit Weight | - | 0.010935 oz | 0.010935 oz |