J309 / J310 / MMBFJ309 / MMBFJ310 N-Channel RF …
https://media.digikey.com/pdf/Data%20Sheets/Fairchild%20PDFs/J309,310,MMBFJ309,310.pdf
WEBJ310 N-Channel RF Amplifier This device is designed for VHF/UHF amplifier, oscillator and mixer applications. As a common gate amplifier, 16 dB at 100 MHz and 12 dB at 450 MHz can be realized. Sourced from Process 92. Absolute Maximum Ratings* TA = 25°C unless otherwise noted
DA: 93 PA: 52 MOZ Rank: 75