2N2857
RF TRANS NPN 15V 500MHZ TO72Manufacturer: Microsemi Corporation
Categories: Bipolar RF Transistors
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Microsemi Corporation's 2N2857 is an NPN bipolar RF transistor designed for high-frequency applications. This TO-72 packaged component features a collector-emitter breakdown voltage of 15V and a maximum collector current of 40mA. It operates effectively up to 500MHz, offering a minimum DC current gain (hFE) of 30 at 3mA and 1V. With a power dissipation of 200mW, the 2N2857 exhibits a typical gain of 12.5dB to 21dB at 450MHz and a noise figure of 4.5dB at the same frequency. The through-hole mounting type and -65°C to 200°C operating temperature range make it suitable for demanding environments in aerospace and defense, as well as general RF communications.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-206AF, TO-72-4 Metal Can |
| Mounting Type | Through Hole |
| Transistor Type | NPN |
| Operating Temperature | -65°C ~ 200°C (TJ) |
| Gain | 12.5dB ~ 21dB @ 450MHz |
| Power - Max | 200mW |
| Current - Collector (Ic) (Max) | 40mA |
| Voltage - Collector Emitter Breakdown (Max) | 15V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 3mA, 1V |
| Frequency - Transition | 500MHz |
| Noise Figure (dB Typ @ f) | 4.5dB @ 450MHz |
| Supplier Device Package | TO-72 |
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