BLF378 POWER MOSFET N-Channel Enhancement Mode DESCRIPTION: The ASI BLF378 is a N-Channel Enhancement-Mode RF Power MOSFET Designed for broadband RF Applications up to 225 MHz. FEATURES INCLUDE: PACKAGE STYLE .400 BAL FLG(D) • PG = 14 dB Min. at 225 MHz • 20:1 Load VSWR Capability • Omnigold™ metalization system MAXIMUM RATINGS ID 18 A VDSS 125 V VGS 20 V PDISS 500 W @ TC = 25 °C TJ -65 °C to +200 °C TSTG -65 °C to +150 °C θJC 0.35 °C/W CHARACTERISTICS SYMBOL 1 & 2 = DRAIN 3 & 4 = GATE 5 = SOURCE NONE O TC = 25 C TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS BVDSS ID = 40 mA VGS = 0 V IDSS VDS = 50 V VGS = 0 V 5.0 mA IGSS VDS = 0 V VGS = 30 V 1.0 µA VGS VGS = VDS IDS = 300 mA 7.0 V V 125 1.0 gM VDS = 10 V VGS = 5.0 V 5.5 Mho RDSON VGS = 20 V IDS = 6.0 A 0.30 Ω IDSAT VGS = 20 V VDS = 10 V 35 A 400 200 15 pF Ciss Coss Crss VDS = 50 V VGS = 0 V f = 1.0 MHz PGS η ψ VDS = 50 V IDQ = 0.8 A f = 225 MHz 14 50 20:1 A D V A N C E D S E M I C O N D U C T O R, I N C. 7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1202 • FAX (818) 765-3004 Specifications are subject to change without notice. dB % --- REV. B 1/1