BLF248 VHF POWER MOSFET N-Channel Enhancement Mode DESCRIPTION: The ASI BLF248 is a Balanced N-Channel Enhancement-Mode RF Power MOSFET Designed for AM and FM Power Amplifier Applications up to 250 MHz. FEATURES INCLUDE: PACKAGE STYLE .400 BAL FLG(D) • PG = 11 dB Typical at 225 MHz • 5:1 Load VSWR Capability • Omnigold™ metalization system MAXIMUM RATINGS ID 40 A VDSS 65 V VGS ±40 V PDISS 500 W @ TC = 25 C TJ -65 C to +150 C TSTG -65 C to +200 C θJC O O O O O O 1 & 2 = DRAIN 0.35 C/W CHARACTERISTICS 3 & 4 = GATE 5 = SOURCE ORDER CODE: ASI10495 NONE O TC = 25 C SYMBOL TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS V BVDSS ID = 100 mA IDSS VDS = 28 V VGS = 0 V 5.0 mA IGSS VDS = 0 V VGS = 20 V 1.0 µA VGS(th) VDS = 10 V ID = 100 mA 5.0 V gfs VDS = 10 V ID = 5.0 A Ciss Coss Crss VDS = 50 V VGS = 0 V PG ηD VDD = 28 V IDQ = 2 x 250 mA ψ VSWR = 5:1 AT ALL PHASE ANGLES 65 1.0 mS 3,500 f = 1.0 MHz Pout = 300 W f = 225 MHz 10 50 380 190 25 pF 11 55 dB % NO DEGRADATION IN OUTPUT POWER 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. REV. A 1/1