BF909 Overview
Enhancement type field-effect transistor in a plastic microminiature SOT143 or SOT143R package. Fig.1 Simplified outline (SOT143) and symbol. g2 g1 21 Top view MAM125 - 1 s,b BF909R marking code:.
BF909 Key Features
- Specially designed for use at 5 V supply voltage
- High forward transfer admittance
- Short channel transistor with high forward transfer
- Low noise gain controlled amplifier up to 1 GHz
- Superior cross-modulation performance during AGC
BF909 Applications
- VHF and UHF applications with 3 to 7 V supply voltage