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| PartNumber | 2N4900 | 2N4900 PBFREE | 2N490 |
| Description | Bipolar Transistors - BJT Power BJT | Bipolar Transistors - BJT PNP 1.0A 25W 80Vcbo 80Vceo 0.6V | Bipolar Junction Transistor, PNP Type, TO-66 |
| Manufacturer | Microchip | Central Semiconductor | MOT |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | IC Chips |
| RoHS | N | Y | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-66-2 | TO-66-2 | - |
| Transistor Polarity | PNP | PNP | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 80 V | 80 V | - |
| Collector Base Voltage VCBO | 80 V | 80 V | - |
| Emitter Base Voltage VEBO | 5 V | - | - |
| Collector Emitter Saturation Voltage | 1.3 V | 0.6 V | - |
| Maximum DC Collector Current | 1 A | - | - |
| DC Current Gain hFE Max | 100 | 150 at 500 mA | - |
| Packaging | Tray | Tube | - |
| Brand | Microchip / Microsemi | Central Semiconductor | - |
| DC Collector/Base Gain hfe Min | 20 | 20 at 500 mA | - |
| Pd Power Dissipation | 25 W | 25 W | - |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | - |
| Factory Pack Quantity | 1 | 30 | - |
| Subcategory | Transistors | Transistors | - |
| Technology | - | Si | - |
| Gain Bandwidth Product fT | - | 3 MHz | - |
| Series | - | 2N49 | - |
| Continuous Collector Current | - | 1 A | - |
| Package Case | - | - | TO-66-2 |