SD2931 ® RF POWER TRANSISTORS HF/VHF/UHF N-CHANNEL MOSFETs TARGET DATA ■ ■ ■ ■ GOLD METALLIZATION EXCELLENT THERMAL STABILITY COMMON SOURCE CONFIGURATION POUT = 150W MIN. WITH 14 dB GAIN @175 MHz DESCRIPTION The SD2931 is a gold metallized N-Channel MOS field-effect RF power transistor. The SD2931 is intended for use in 50V dc large signal applications up to 230 MHz M174 epoxy sealed ORDER CODE BRANDING SD2931 TSD2931 PIN CONNECTION 1. Drain 2. Source 3.Gate 4. Source ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC) Symbol Parameter V (BR)DSS Drain Source Voltage V DGR V GS ID P DISS Tj T STG Value Unit 125 V Drain-Gate Voltage (R GS = 1MΩ) 125 V Gate-Source Voltage ±20 V Drain Current 16 A Power Dissipation 292 W Max. Operating Junction Temperature 200 o C -65 to 150 o C Storage Temperature THERMAL DATA R th(j-c) R th(c-s) Junction-Case Thermal Resistance Case-Heatsink Thermal Resistance ∗ 0.6 0.2 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 1/4 SD2931 ELECTRICAL SPECIFICATION (Tcase = 25 oC) STATIC Symbol Parameter Min. 125 Typ. Max. Unit V (BR)DSS V GS = 0V I DS = 100 mA I DSS V GS = 0V V DS = 50 V 5 mA I GSS V GS = 20V V DS = 0 V 5 µA V GS(Q) V DS = 10V 5 V V DS(ON) V GS = 10V I D = 10 A G FS V DS = 10V ID = 5 A C ISS V GS = 0V V DS = 50 V f = 1 MHz 480 pF C OSS V GS = 0V V DS = 50 V f = 1 MHz 180 pF C RSS V GS = 0V V DS = 50 V f = 1 MHz 15 pF I D = 250 mA V 2 2.7 3 5 V mho DYNAMIC Symbol Parameter Min. P OUT f = 175 MHz V DD = 50 V I DQ = 250 mA G PS f = 175 MHz V DD = 50 V P out = 150 W I DQ = 250 mA ηD f = 175 MHz V DD = 50 V P out = 150 W Load f = 175 MHz V DD = 50 V Mismatch All Phase Angles P out = 150 W 150 15 I DQ = 250 mA 55 65 I DQ = 250 mA 10:1 FREQ. Z IN (Ω) Z DL (Ω) 30 MHz 1.7 - j 5.7 6.8 + j 0.9 175 MHz 1.2 - j 2.0 2.0 + j 2.4 Max. Unit W 14 IMPEDANCE DATA 2/4 Typ. dB % VSWR SD2931 M174 (.500 DIA 4L N/HERM W/FLG) MECHANICAL DATA mm DIM. MIN. A TYP. 5.56 B inch MAX. MIN. 5.84 0.219 3.18 TYP. MAX. 0.230 0.125 C 6.22 6.48 0.245 0.255 D 18.28 18.54 0.720 0.730 E 3.18 0.125 F 24.64 24.89 0.970 0.980 G 12.57 12.83 0.495 0.505 H 0.08 0.18 0.003 0.007 I 2.11 3.00 0.083 0.118 J 3.81 4.45 0.150 0.175 K 7.11 0.280 L 25.53 26.67 1.005 1.050 M 3.05 3.30 0.120 0.130 Controlling Dimension in Inches 1011000D 3/4 SD2931 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics © 1999 STMicroelectronics – Printed in Italy – All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com . 4/4