New
Transistor 2SC5551A
2SC5551A RF NPN transistor, 1.3W, SMD replacement for 2N5109 - high IP3, low noise preamp
1.90 €
1.90 € tax excl.
in stock, shipped in 2-3 days
This is a small-signal 1.3W RF NPN transistor designed for RF buffer amplifiers and high IP3 preamplifiers. It is a modern SMD replacement for the classic 2N5109 - a well-known choice for low-noise, high-linearity RF stages where distortion-free performance at higher signal levels matters, such as receiver front ends and buffer stages ahead of mixers.
Specifications
| Type | NPN, 1.3 W RF transistor |
|---|---|
| Package | SOT-89 |
| Collector current (max.) | 300 mA |
| CE voltage (max.) | 30 V |
| Transition frequency (fT) | 3.5 GHz |
| HF preamp gain | typ. 18 dB |
| Noise figure | typ. 2 dB @ 144 MHz |
| Output power | up to 26 dBm |
| OIP3 | typ. 33 dBm @ 60 mA, 13.8 V |
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