SD1728 (TH430) RF & Microwave transistors HF SSB application Features ■ 13.56MHz ■ 44V ■ Gold metallization ■ Common emitter ■ POUT = 200W with 15dB gain Description The SD1728 is a 50V epitaxial silicon NPN planar transistor designed primarily for SSB and Industrial HF pplications. This device utilizes emitter ballasting for improved ruggedness and reliability. M177 Epoxy sealed Pin connection 4 3 Table 1. April 2007 1 2 1. Collector 3. Base 2. Emitter 4. Emitter Device summary Part number Package Marking SD1728 M177 TH430 Rev 2 1/9 www.st.com 9 Contents SD1728 (TH430) Contents 1 2 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical performance (Classe C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2/9 SD1728 (TH430) Electrical data 1 Electrical data 1.1 Maximum ratings Table 2. Absolute maximum ratings (TCASE = 25°C) Symbol Value Unit VCBO Collector-base voltage 110 V VCEO Collector-emitter voltage 55 V VEBO Emitter-base voltage 4.0 V Device current 40 A Power dissipation 330 W Maximum operating junction temperature 200 °C -65 to +150 °C Value Unit 0.4 °C/W IC PDISS TJ TSTG 1.2 Parameter Storage temperature Thermal data Table 3. Symbol RthJC Thermal data Parameter Junction - case thermal resistance 3/9 Electrical characteristics 2 SD1728 (TH430) Electrical characteristics TCASE = +25 oC 2.1 Static Table 4. Static Values Symbol Test conditions Unit Min Max BVCES IC = 200mA, VBE = 0V 110 V BVCEO IC = 200mA, IB = 0mA 55 V BVEBO IE = 20mA, IC = 0mA 4.0 V ICEO VCE = 30V, IE = 0mA 500 µA ICES VCE = 60V, IE = 0mA 500 µA IEBO VBE = 4.2V 500 µA hFE VCE = 6V, IC = 10A Table 5. 2.2 Typ 23 45 hFE ranking (VCE = 6V; IC = 10A) C 23 - 27 D 27 - 32 E 32 - 38 F 38 - 45 Dynamic Table 6. Dynamic Values Symbol 4/9 Test conditions Unit Min Typ Max POUT VCC = 44V, f = 13.56MHz 200 250 W GP VCC = 44V, POUT = 200W 15 17 dB ηC VCC = 44V, POUT = 200W 56 COB VCB = 50V, f = 1MHz % 250 360 pF SD1728 (TH430) Typical performance (Class C) 3 Typical performance (Class C) Figure 1. Output power vs input power Figure 2. 800 300 700 Collector base voltage (V) 350 Pout (W) 250 200 150 100 50 600 500 400 300 200 100 Class C Freq: 13.56 MHz Vcc= 44V 0 0 0 1 2 3 4 5 6 7 8 Collector base capacitance vs Collector base voltage (f = 1MHz) 0 9 10 Pin (W) Figure 3. 20 30 40 50 60 Collector base capacitance (pf) Power gain vs POUT Figure 4. 20 Efficiency vs POUT 70% 60% 18 16 Eff (%) Power Gain (dB) 50% 14 40% 30% 20% 12 10 Class C Freq: 13.56 MHz VCC = 44V MHz 8 54 Class C Freq: 13.56 MHz MHz VCC = 44V V 44V 10% 0% 120 170 Pout (W) 210 235 0 50 100 150 200 250 300 Pout (W) 5/9 Package mechanical data 4 SD1728 (TH430) Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 6/9 SD1728 (TH430) Package mechanical data Table 7. M177 (.550 DIA 4/L N/HERM W/FLG) mechanical data mm. Inch Dim. Min Typ Max Min Typ Max A 5.72 5.97 0.225 0.235 B 6.73 6.96 0.265 0.275 C 21.84 22.10 0.860 0.870 D 28.70 28.96 1.130 1.140 E 13.84 14.10 0.545 0.555 F 0.08 0.18 0.003 0.007 G 2.49 2.74 0.098 0.108 H 3.81 4.32 0.150 0.170 I 7.11 0.280 J 27.43 28.45 1.080 1.120 K 15.88 16.13 0.625 0.635 Figure 5. Package dimensions Controlling ension: Dim Inches 1011012D 7/9 Revision history 5 SD1728 (TH430) Revision history Table 8. 8/9 Revision history Date Revision Changes 1-Jul-2003 1 First release 24-Apr-2007 2 Document reformatted, updated Table 2. SD1728 (TH430) Please Read Carefully: Information in this document is provided solely in connection with ST products. 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