View cgy191 datasheet:

CGY 191 GaAs MMIC Dual mode power amplifier for CDMA /TDMA portable cellular phones 29 dBm linear output power@ PAE=40% typ. Fully integrated 2 stage amplifier Power ramp control Input matched to 50 ohms, simple output match ESD: Electrostatic discharge sensitive device, observe handling precautions! Type Marking Ordering code Package (taped) CGY 191 CGY 191 Q62702G74 MW 16 Maximum ratings Characteristics Symbol max. Value Unit Positive supply voltage VD 9V Supply current ID 4A Channel temperature TCh 150 °C Storage temperature Tstg -55...+150 °C Pulse peak power dissipation PPulse tbd W Ptot tbd W Total power dissipation (Ts ? 80 °C) Ts: Temperature at soldering point Thermal Resistance Characteristics Symbol max. Value Unit Channel-soldering point RthChS 11