![]() | |||
| PartNumber | 2N2857 | 2N2857/TR | 2N2857UB |
| Description | Bipolar Transistors - BJT NPN VHF/UHF AM | RF Bipolar Transistors | Bipolar Transistors - BJT Small-Signal BJT |
| Manufacturer | Central Semiconductor | Microchip | Microchip |
| Product Category | Bipolar Transistors - BJT | RF Bipolar Transistors | Bipolar Transistors - BJT |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | TO-72-3 | TO-72-4 | - |
| Transistor Polarity | NPN | NPN | - |
| Configuration | Single | Single | - |
| Collector Emitter Voltage VCEO Max | 15 V | 15 V | - |
| Collector Base Voltage VCBO | 30 V | - | - |
| Emitter Base Voltage VEBO | 2.5 V | 3 V | - |
| Collector Emitter Saturation Voltage | - | - | - |
| Maximum DC Collector Current | 40 mA | 40 mA | - |
| Gain Bandwidth Product fT | 1.9 GHz | - | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 200 C | + 200 C | - |
| Series | 2N2857 | - | - |
| DC Current Gain hFE Max | 150 | - | - |
| Height | 5.33 mm | - | - |
| Length | 5.84 mm | - | - |
| Packaging | Bulk | Reel | Bulk |
| Width | 5.84 mm | - | - |
| Brand | Central Semiconductor | Microchip / Microsemi | Microchip / Microsemi |
| Continuous Collector Current | 40 mA | 40 mA | - |
| DC Collector/Base Gain hfe Min | 30 | 30 | - |
| Pd Power Dissipation | 200 mW | 200 mW | - |
| Product Type | BJTs - Bipolar Transistors | RF Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2000 | 100 | 100 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | 2N2857 PBFREE | - | - |
| Unit Weight | 0.011365 oz | - | - |
| Transistor Type | - | Bipolar | - |
| Technology | - | Si | - |