BLF984P BLF984PU Power LDMOS transistor

BLF984P is a 450 W high-power LDMOS RF transistor manufactured by Ampleon, specifically designed for broadcast transmitters, Doherty power amplifiers, Class-AB transmitters and industrial applications in the 400–900 MHz (UHF band). Housed in a high-performance flanged ceramic package (SOT-1121A/CDFM4), it features exceptional ruggedness and broadband performance, making it ideal for digital and analog transmitter applications.   Key Features   High Power & Broadband Performance: Typical output power of 450 W at 470 MHz, power gain of 22.5 dB, and drain efficiency of 65% (VDS=50 V, IDQ=650 mA), delivering excellent energy efficiency. Exceptional Ruggedness: Withstands 20:1 full-band VSWR load mismatch at 50 V supply voltage, featuring outstanding shock resistance for harsh operating conditions. Industrial-Grade Reliability: Maximum drain-source voltage of 104 V, junction temperature tolerance up to 200°C, and low thermal resistance (junction-to-case) of 0.25 K/W, suitable for long-…