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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
1
3 1. Collector 2. Emitter
2
3. Base 4. Emitter
Table 1.
Device summary
Part number SD1728 Package M177 Marking TH430
April 2007
Rev 2
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Contents
SD1728 (TH430)
Contents
1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 1.2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 4 5
Typical performance (Classe C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
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SD1728 (TH430)
Electrical data
1
1.1
Electrical data
Maximum ratings
Table 2.
Symbol VCBO VCEO VEBO IC PDISS TJ TSTG
Absolute maximum ratings (TCASE = 25C)
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Device current Power dissipation Maximum operating junction temperature Storage temperature Value 110 55 4.0 40 330 200 -65 to +150 Unit V V V A W C C
1.2
Thermal data
Table 3.
Symbol RthJC
Thermal data
Parameter Junction - case thermal resistance Value 0.4 Unit C/W
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Electrical characteristics
SD1728 (TH430)
2
Electrical characteristics
TCASE = +25 oC
2.1
Static
Table 4.
Symbol BVCES BVCEO BVEBO ICEO ICES IEBO hFE
Static
Values Test conditions Min IC = 200mA, VBE = 0V IC = 200mA, IB = 0mA IE = 20mA, IC = 0mA VCE = 30V, IE = 0mA VCE = 60V, IE = 0mA VBE = 4.2V VCE = 6V, IC = 10A 23 110 55 4.0 500 500 500 45 Typ Max V V V A A A Unit
Table 5.
hFE ranking (VCE = 6V; IC = 10A)
C D E F 23 - 27 27 - 32 32 - 38 38 - 45
2.2
Dynamic
Table 6.
Symbol POUT GP
Dynamic
Values Test conditions Min VCC = 44V, f = 13.56MHz VCC = 44V, POUT = 200W VCC = 44V, POUT = 200W VCB = 50V, f = 1MHz 200 15 56 250 360 Typ 250 17 Max W dB % pF Unit
C
COB
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SD1728 (TH430)
Typical performance (Class C)
3
Figure 1.
Typical performance (Class C)
Output power vs input power Figure 2.
800 700 Collector base voltage (V) 600 500 400 300 200 100 0
9
Collector base capacitance vs Collector base voltage (f = 1MHz)
350
300
250
Pout (W)
200
150
100
50
Class C Freq: 13.56 MHz Vcc= 44V 0 1 2 3 4 5 6 7 8
0 Pin (W)
0
10
20
30
40
50
60
Collector base capacitance (pf)
Figure 3.
20
Power gain vs POUT
Figure 4.
70%
Efficiency vs POUT
60%
18
50%
Power Gain (dB)
16
Eff (%)
40%
14
30%
20%
12
10
Class C Freq: 13.56 MHz VCC MHz = 44V
8 54 120 170 210 235
10%
0% 0
Class C Freq: 13.56 MHz MHz = 44V VCC V 44V
50 100 150 Pout (W) 200 250 300
Pout (W)
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Package mechanical data
SD1728 (TH430)
4
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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
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SD1728 (TH430) Table 7.
Dim. Min A B C D E F G H I J K 27.43 15.88 5.72 6.73 21.84 28.70 13.84 0.08 2.49 3.81 Typ Max 5.97 6.96 22.10 28.96 14.10 0.18 2.74 4.32 7.11 28.45 16.13 1.080 0.625 Min 0.225 0.265 0.860 1.130 0.545 0.003 0.098 0.150
Package mechanical data M177 (.550 DIA 4/L N/HERM W/FLG) mechanical data
mm. Inch Typ Max 0.235 0.275 0.870 1.140 0.555 0.007 0.108 0.170 0.280 1.120 0.635
Figure 5.
Package dimensions
Controlling ension: Inches Dim
1011012D
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Revision history
SD1728 (TH430)
5
Revision history
Table 8.
Date 1-Jul-2003 24-Apr-2007
Revision history
Revision 1 2 First release Document reformatted, updated Table 2. Changes
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SD1728 (TH430)
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