SD3931-10 RF POWER TRANSISTORS HF/VHF/UHF N-CHANNEL MOSFETs TARGET DATA • GOLD METALLIZATION • EXCELLENT THERMAL STABILITY • COMMON SOURCE CONFIGURATION • POUT = 150 W MIN. WITH 21.7 dB GAIN @ 150 MHz M174 epoxy sealed DESCRIPTION The SD3931-10 is a gold metallized N-Channel MOS field-effect RF power transistor. It is intended for use in 100 V dc large signal applications up to 150 MHz. ORDER CODE SD3931-10 BRANDING SD3931-10 PIN CONNECTION 4 1 3 2 1. Drain 2. Source 3. Gate 4. Source ABSOLUTE MAXIMUM RATINGS (TCASE = 25 °C) Symbol V(BR)DSS VDGR VGS ID PDISS Tj TSTG Parameter Value Unit Drain Source Voltage 250 V Drain-Gate Voltage (RGS = 1MΩ) 250 V Gate-Source Voltage ±20 V Drain Current 10 A Power Dissipation 437 W Max. Operating Junction Temperature Storage Temperature 200 °C -65 to +150 °C 0.4 °C/W THERMAL DATA Rth(j-c) May, 27 2003 Junction -Case Thermal Resistance 1/5 SD3931-10 ELECTRICAL SPECIFICATION (TCASE = 25 °C) STATIC Symbol Test Conditions Min. Typ. Max. Unit V(BR)DSS VGS = 0 V IDS = 100 mA IDSS VGS = 0 V VDS = 100 V 5 mA IGSS VGS = 20 V VDS = 0 V 5 µA VGS(Q) VDS = 10 V ID = 250 mA 4.0 V VDS(ON) VGS = 10 V ID = 5 A 5 V 250 V 1.5 GFS VDS = 10 V ID = 2.5 A CISS VGS = 0 V VDS = 100 V f = 1 MHz 649 pF COSS VGS = 0 V VDS = 100 V f = 1 MHz 134 pF CRSS VGS = 0 V VDS = 100 V f = 1 MHz 6 pF 3 mho DYNAMIC Symbol Test Conditions Min. POUT VDD = 100 V IDQ = 0.2 A GPS VDD = 100 V IDQ = 0.2 A POUT = 150 W f = 150 MHz VDD = 100 V IDQ = 0.2 A POUT = 150 W f = 150 MHz VDD = 100 V IDQ = 0.2 A All Phase Angles POUT = 150 W f = 150 MHz ηD Load Mismatch f = 150 MHz Typ. 150 21.7 dB TBD % 10:1 VSWR D ZDL Typical Drain Load Impedance G Zin S IMPEDANCE DATA FREQ. MHz ZIN (Ω) ZDL(Ω) 150 0.42 - j 3.1 3.4 + j 5.5 2/5 Unit W IMPEDANCES SCHEME Typical Input Impedance Max. SD3931-10 TYPICAL PERFORMANCE Input Return Loss Vs Output Power Power Gain Vs Output Power 24.0 0 23.5 Idq = 0.3 A Idq = 0.5 A 23.0 -5 Idq = 1 A 22.5 Idq = 1 A RL (dB) Gp (dB) 22.0 21.5 21.0 -10 Idq = 0.2 A Idq = 0.2 A 20.5 -15 Idq = 0.1 A 20.0 f =150 MHz Vds=100 V 19.5 f =150 MHz Vds = 100 V 19.0 -20 0 50 100 150 200 250 0 50 100 Pout (W) 150 200 250 Pout (W) Efficiency Vs Output Power Output Power Vs Input Power 60 250 55 Idq = 0.2 A 50 200 45 Idq = 1 A Pout (W) nd (%) 40 35 30 150 Idq = 1 A Idq = 0.2 A 100 25 20 50 f =150 MHz Vds = 100 V f =150 MHz Vds = 100 V 15 10 0 0 50 100 150 200 250 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Pin (W) Pout (W) Drain Current Vs Gate-Source Voltage 14 12 Ids (A) 10 8 6 4 2 Vds = 16 V 0 0 1 2 3 4 5 6 7 Vgs (V) 3/5 SD3931-10 M174 (.500 DIA 4/L N/HERM W/FLG) MECHANICAL DATA mm DIM. A MIN. 5.56 B MAX MIN. 5.584 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 4/5 TYP. Inch 1011000D SD3931-10 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. Specifications 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 registered trademark of STMicroelectronics 2003 STMicroelectronics - All Rights Reserved All other names are the property of their respective owners. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 5/5