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| PartNumber | 2N3421 | 2N3421JAN | 2N3421JANL |
| Description | Bipolar Transistors - BJT NPN Power SW | NPN POWER TRANSISTOR - Bulk (Alt: JAN2N3421) | |
| Manufacturer | Central Semiconductor | - | - |
| Product Category | Bipolar Transistors - BJT | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-39-3 | - | - |
| Transistor Polarity | NPN | - | - |
| Configuration | Single | - | - |
| Collector Emitter Voltage VCEO Max | 80 V | - | - |
| Collector Base Voltage VCBO | 125 V | - | - |
| Emitter Base Voltage VEBO | 8 V | - | - |
| Collector Emitter Saturation Voltage | 500 mV | - | - |
| Maximum DC Collector Current | 2 A | - | - |
| Gain Bandwidth Product fT | 40 MHz | - | - |
| Series | 2N3421 | - | - |
| DC Current Gain hFE Max | 120 | - | - |
| Height | 6.6 mm | - | - |
| Length | 9.4 mm | - | - |
| Packaging | Bulk | - | - |
| Width | 9.4 mm | - | - |
| Brand | Central Semiconductor | - | - |
| DC Collector/Base Gain hfe Min | 40 | - | - |
| Product Type | BJTs - Bipolar Transistors | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Transistors | - | - |
| Part # Aliases | 2N3421 PBFREE | - | - |
| Unit Weight | 0.035486 oz | - | - |