SD2904

® SD2904 RF POWER TRANSISTORS HF/VHF/UHF N-CHANNEL MOSFETs s s s s s s s s GOLD METALLIZATION COMMON SOURCE CONFIGURATION 2 - 500 MHz 30 WATTS 28 VOLTS 9.5 dB MIN. AT 400 MHz CLASS A OR AB OPERATION EXCELLENT THERMAL STABILITY M113 epoxy sealed ORDER CODE BRANDING SD2904 SD2904 DESCRIPTION The SD2904 is a gold metallized N-Channel MOS field-effect RF power transistor. It is intended for use in 28 V DC large signal applications up to 500 MHz PIN CONNECTION 1. Drain 2. Source ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC) Symbol V (BR)DSS V DGR V GS ID P DI SS Tj T STG Parameter Drain Source Voltage Drain-Gate Voltage (R GS =1M Ω) Gate-Source Voltage Drain Current Power Dissipation Max. O perating Junction Temperature Storage Temperature Value 65 65 ± 20 5 100 200 -65 to 150 3.Gate 4. Source Uni t V V V A W o o C C THERMAL DATA R th (j-c) R th(c -s) Junction-Case T hermal Resistance Case-Heatsink T hermal Resistance ∗ 1.75 0.30 o o C/W C/W * Determined using a flat aluminum or copper heatsink with thermal compound applied (Dow Corning 340 or equivalent). November 1999 1/8 SD2904 ELECTRICAL SPECIFICATION (Tcase = 25 oC) STATIC Symb ol V (BR)DSS I DSS I GSS V GS(Q) V DS( ON) g FS C ISS C OSS C RSS V GS = 0V V GS = 0V V GS = 20V V DS = 10V V GS = 10V V DS = 10V V GS = 0V V GS = 0V V GS = 0V Parameter I DS = 30 mA V DS = 28 V V DS = 0 V I D = 60 mA ID = 3 A ID = 3 A V DS = 28 V V DS = 28 V V DS = 28 V f = 1 MHz f = 1 MHz f = 1 MHz 1.2 47 35 7 1.0 Min. 65 3 2 6.0 1.6 Typ . ...