1/9May 2004
SD1434
RF POWER BIPOLAR TRANSISTORS
UHF MOBILE APPLICATIONS
REV. 2
FEATURES SUMMARY
■470 MHz
■12.5 VOLTS
■COMMON EMITTER
■POUT = 45 W MIN. WITH 5.0 dB GAIN
DESCRIPTION
The SD1434 is a 12.5 V Class C epitaxial silicon
NPN planar transistor designed primarily for UHF
communications. This device utilizes diffused
emitter resistors to achieve infinite VSWR under
operating conditions.
Figure 1. Package
Figure 2. Pin Connection
Table 1. Order Codes
.500 6L FL (M111)
epoxy sealed
1. Collector 3. Emitter
2. Base 4. Emitter
Order Codes Marking Package Packaging
SD1434 SD1434 M111 PLASTIC TRAYS
SD1434
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Table 2. Absolute Maximum Ratings (Tcase = 25°C)
Table 3. Thermal Data
Symbol Parameter Value Unit
VCBO Collector-Base Voltage 36 V
VCEO Collector-Emitter Voltage 16 V
VCES Collector-Emitter Voltage 36 V
VEBO Emitter-Base Voltage 4.0 V
IC Device Current 10.0 A
PDISS Power Dissipation 175 W
TJ Junction Temperature +200 °C
TSTG Storage Temperature – 65 to +150 °C
Symbol Parameter Value Unit
RTH(j-c) Junction-Case Thermal Resistance 1.0 °C/W
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SD1434
ELECTRICAL SPECIFICATIONS (TCASE = 25°C)
Table 4. Static
Table 5. Dynamic
Symbol Test Conditions
Value
Unit
Min. Typ. Max.
BVCBO IC = 5 mA; IE = 0 mA 36 — — V
BVCES IC = 20 mA; VBE = 0 V 36 — — V
BVCEO IC = 50 mA; IB = 0 mA 16 — — V
BVEBO IE = 5 mA; IC = 0 mA 4.0 — — V
ICES VCE = 22 V; IE = 0 mA — — 5 mA
ICBO VCB = 15 V; IE = 0 mA — — 5 mA
hFE VCE = 5 V; IC = 1 A 20 — 200 —
Symbol Test Conditions
Value
Unit
Min. Typ. Max.
POUT f = 470 MHz; PIN = 14 W; VCE = 12.5 V 45 — — W
GPf = 470 MHz; PIN = 14 W; VCE = 12.5 V 5 — — dB
COB f = 1 MHz; VCB = 12.5 V — 130 — pF
SD1434
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TYPICAL PERFORMANCE
Figure 3. Power Output vs Power Input Figure 4. Power Output vs Frequency
Figure 5. Output Capacitance vs Collector
Base Voltage
pp
60
50
40
30
20
10
0
0 5 10 15 20
Power Output, Po (W)
Power Output, PIN (W)
Vcc = 12.5V
Fo = 470 MHz
pqy
70
60
50
40
30
20
10
0
440 460 480 500 520
Power Output Po (W)
Frequency (MHz)
Pin = 15
Pin = 10
Pin = 5 W
VCC = 12.5 V
200
160
120
80
40
0
0 4 8 12 16
Output Capacitance Co (pF)
Collector-Base Voltage VCB (V)
F = 1 MHz
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SD1434
IMPEDANCE DATA
Figure 6. Typical Input Impedance Figure 7. Typical Collector Load Impedance
SD1434
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TEST CIRCUIT
Figure 8. Test Circuit
Table 6. Test Circuit
C1 10pF Unelco, 200 mil Sq.
C2 36pF Unelco, 400 mil Sq.
C3 34pF Unelco, 400 mil Sq.
C4 36pF Unelco, 400 mil Sq.
C5 38pF Unelco, 400 mil Sq.
C6 16pF Unelco, 200 mil Sq.
C7 10pF Unelco, 200 mil Sq.
C8 25pF Unelco, 200 mil Sq.
C9 1 - 12pF, ATC Variable
C10 6pF Unelco, 200 mil Sq.
C11 .01µF 50V, Erie Disc
C12 1000pF Unelco, 400 mil Sq.
C13 47µF 63V, Sprague Electrolytic
C14 10pF Unelco, 200 mil Sq.
L1 27µH Molded
L2 6 Turns, #18 AWG, .175" I.D.
Material Pc Board, Double Sided Copper 1/32" Thick Teflon-Glass, 3M-K-6098
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SD1434
PACKAGE MECHANICAL
Table 7. M111 Mechanical Data
Figure 9. M111 Package Dimensions
Note: Drawing is not to scale.
Symbol millimeters inches
Min Typ Max Min Typ Max
A 3.43 4.06 0.150 0.160
B 1.14 0.045
C 5.33 5.59 0.210 0.220
D 21.21 21.97 0.835 0.865
E 5.08 5.33 0.200 0.210
F 12.45 12.95 0.490 0.510
G 0.08 0.18 0.003 0.007
H 3.18 0.125
I 18.29 18.54 0.720 0.730
J 24.64 24.89 0.970 0.980
K 2.41 2.67 0.095 0.105
L 3.81 4.32 0.150 0.170
M 7.11 0.280
SD1434
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REVISION HISTORY
Table 8. Revision History
Date Revision Description of Changes
October-1992 1 First Issue
26-May-2004 2 Stylesheet update. No content change.
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SD1434
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