BFY420 is a RF transistor manufactured by Infineon Technologies. This product has high gain, low noise characteristics and is suitable for high gain low noise amplifiers and oscillators below 10 GHz.
The document describes the BFY420 as a HiRel Discrete and Microwave Semiconductor suitable for high gain low noise amplifiers and oscillators operating up to 10 GHz. Key features include a noise figure of 1.1 dB at 1.8 GHz, a transition frequency (fT) of 22 GHz, and an outstanding transconductance (Gms) of 21 dB at the same frequency.
| Transition Frequency (fT) | 22 GHz |
|---|---|
| Noise Figure at 1.8 GHz | 1.1 dB |
| Collector-emitter voltage (VCEO) | 4.5 V |
| Collector-base voltage (VCBO) | 15 V |
| Operating temperature range | -65 to +175 °C |
The device is suitable for oscillators up to 10 GHz.
Yes, it is an electrostatic discharge (ESD) sensitive device and handling precautions must be observed.