SD1726 (THA15) RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS FEATURES • OPTIMIZED FOR SSB • 30 MHz • 50 V • IMD-30 dB • COMMON EMITTER • GOLD METALLIZATION M174 epoxy sealed • POUT = 150 W PEP MIN. WITH 14 dB GAIN ORDER CODE SD1726 DESCRIPTION The SD1726 is a 50 V epitaxial silicon NPN planar transistor designed primarily for SSB communications. This device utilizes emitter ballasting to achieve extreme ruggedness under severe operating conditions. BRANDING THA15 PIN CONNECTION 4 1 3 2 1. Drain 2. Source 3. Gate 4. Source ABSOLUTE MAXIMUM RATINGS (TCASE = 25 °C) Symbol Parameter Value Unit VCBO Collecto-Base Voltage 110 V VCEO Collector-Emitter Voltage 55 V VEBO Emitter-Base Voltage 4.0 V Drain Current 20 A Power Dissipation 318 W Max. Operating Junction Temperature +200 °C -65 to +150 °C 0.75 °C/W IC PDISS Tj TSTG Storage Temperature THERMAL DATA Rth(j-c) Junction -Case Thermal Resistance at TCASE = 70 °C January, 10 2003 1/8 SD1726 (THA15) ELECTRICAL SPECIFICATION (TCASE = 25 °C) STATIC Symbol Test Conditions Min. Typ. Max. Unit BVCBO IC = 100 mA IE = 0 mA 110 BVCES IC = 100 mA VBE = 0 V 110 V BVCEO IC = 100 mA IB = 0 mA 55 V BVEBO IE = 10 mA IC = 0 mA 4.0 V ICEO VCE = 30 V IE = 0 mA ICES VCE = 60 V hFE VCE = 6 V V IE = 0 mA IC = 1.4 A 18 5 mA 5 mA 43.5 DYNAMIC Symbol Test Conditions Min. Typ. Unit VCE = 50 V ICQ = 100 mA f = 30 MHz 150 W GP* VCE = 50 V ICQ = 100 mA POUT = 150 W PEP 14 dB IMD* VCE = 50 V ICQ = 100 mA POUT = 150 W PEP ηD * VCE = 50 V ICQ = 100 mA POUT = 150 W PEP GOB VCB = 50 V f = 1 MHz -30 37 220 Thermal Resistance versus Case Temperature RTH j-c (°C/W) 1.2 1 0.8 0.6 0.4 0.2 0 0 10 20 30 40 50 60 70 Case Temperature - Tc (°C) 80 90 100 dBc % Note: The SD1726 is also usable in Class A at 40 V. Typical performance is: POUT = 30 W PEP, GP = 14 dB, IMD = - 40 dBc * f 1 = 30.00 MHz; f2 = 30.001 MHz 2/8 Max. POUT 110 pF SD1726 (THA15) TYPICAL PERFORMANCE 3/8 SD1726 (THA15) TYPICAL PERFORMANCE (cont’d) 4/8 SD1726 (THA15) IMPEDENCE DATA BIAS CIRCUIT 5/8 SD1726 (THA15) TEST CIRCUIT - CLASS AB - 30 MHz MOUNTING CIRCUIT - CLASS AB - 30 MHz 6/8 SD1726 (THA15) M174 (.500 DIA 4/L N/HERM W/FLG) MECHANICAL DATA mm DIM. A MIN. TYP. 5.56 B Inch 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 1011000D 7/8 SD1726 (THA15) 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 8/8