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| PartNumber | 2N2221A | 2N2221 | 2N2221ABS |
| Description | Bipolar Transistors - BJT NPN Gen Pur SS | Bipolar Transistors - BJT NPN 60Vcbo 30Vceo 5.0Vebo 800mA 500mW | |
| Manufacturer | Central Semiconductor | Central Semiconductor | - |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-18 | TO-18 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 40 V | 30 V | - |
| Collector Base Voltage VCBO | 75 V | 60 V | - |
| Emitter Base Voltage VEBO | 6 V | 5 V | - |
| Collector Emitter Saturation Voltage | 1 V | 1.6 V | - |
| Maximum DC Collector Current | 0.8 A | - | - |
| Gain Bandwidth Product fT | 250 MHz | 250 MHz | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 200 C | - |
| Series | 2N2221 | - | - |
| DC Current Gain hFE Max | 120 | - | - |
| Height | 5.33 mm | - | - |
| Length | 5.84 mm | - | - |
| Packaging | Bulk | Bulk | - |
| Width | 5.84 mm | - | - |
| Brand | Central Semiconductor | Central Semiconductor | - |
| DC Collector/Base Gain hfe Min | 40 | 15 at 10 mA, 10 V | - |
| Pd Power Dissipation | 400 mW | 500 mW | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Transistors | Transistors | - |
| Part # Aliases | 2N2221A PBFREE | 2N2221 PBFREE | - |
| Unit Weight | 0.011020 oz | - | - |
| Technology | - | Si | - |
| Continuous Collector Current | - | 800 mA | - |