STMICROELECTRONICS THA15

SD1726 (THA15)
RF & MICROWAVE TRANSISTORS
HF SSB APPLICATIONS
..
..
..
.
OPTIMIZED FOR SSB
30 MHz
50 VOLTS
IMD −30 dB
COMMON EMITTER
GOLD METALLIZATION
P OUT = 150 W PEP MIN. WITH 14 dB GAIN
.500 4LFL (M174)
epoxy sealed
ORDER CODE
SD1726
BRANDING
THA15
PIN CONNECTION
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.
1. Collector
2. Emitter
3. Base
4. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage
110
V
VCEO
Collector-Emitter Voltage
55
V
VEBO
Emitter-Base Voltage
4.0
V
Device Current
10
A
Power Dissipation
233
W
TJ
Junction Temperature
+200
°C
T STG
Storage Temperature
− 65 to +150
°C
0.75
°C/W
IC
PDISS
THERMAL DATA
RTH(j-c)
November 1992
Junction-Case Thermal Resistance
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SD1726 (THA15)
ELECTRICAL SPECIFICATIONS (T case = 25 ° C)
STATIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
Unit
BVCBO
IC = 100mA
IE = 0mA
110
—
—
V
BVCES
IC = 100mA
VBE = 0V
110
—
—
V
BVCEO
IC = 100mA
IB = 0mA
55
—
—
V
BVEBO
IE = 10mA
IC = 0mA
4.0
—
—
V
I CEO
VCE = 30V
IE = 0mA
—
—
5
mA
ICES
VCE = 60V
IE = 0mA
—
—
5
mA
hFE
VCE = 6V
IC = 1.4A
18
—
43.5
—
DYNAMIC
Symbol
Min.
Typ.
Max.
Unit
f = 30 MHz
VCE = 50 V
ICQ = 100mA
150
—
—
W
G P*
POUT = 150 WPEP
VCE = 50 V
ICQ = 100mA
14
—
—
dB
IMD*
η c*
POUT = 150 WPEP
VCE = 50 V
ICQ = 100mA
—
—
−30
dBc
POUT = 150 WPEP
VCE = 50 V
ICQ = 100mA
37
—
—
%
COB
f = 1 MHz
VCB = 50 V
—
—
220
pF
POUT
Note:
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Value
Test Conditions
The SD1726 is al so usabl e in Class A at 40 V. Typical performance is:
P OUT
=
* f1
30.00 MHz; f2
=
30 W PEP, G P
=
=
14 dB, IMD
30. 001 MHz
= − 40dBc
SD1726 (THA15)
TYPICAL PERFORMANCE
INTERMODULATION DISTORTION vs POWER
OUTPUT PEP
POWER OUTPUT PEP vs POWER INPUT
COLLECTOR EFFICIENCY vs POWER OUTPUT PEP
3/7
SD1726 (THA15)
TYPICAL PERFORMANCE (cont’d)
POWER GAIN vs FREQUENCY
POWER GAIN vs POWER OUTPUT PEP
SAFE OPERATING AREA
4/7
SD1726 (THA15)
IMPEDANCE DATA
TYPICAL INPUT IMPEDANCE
BIAS CRCUIT
5/7
SD1726 (THA15)
TEST CIRCUIT - CLASS AB - 30 MHz
C1
C2
C3
C4
C5, C6
C7
C8, C12
C9, C11
C15
C10
C13
C14
:
:
:
:
:
:
:
Arco 427
Arco 4611
Arco 4615
220pF
Arco 4215
Arco 426
100nF 63V
L1
:
L2
:
L3
:
L4
:
L5
:
L6, L7
L8
:
:
:
:
:
1nF
470µF 40V
220µF 63V
10nF
R
MOUNTING CIRCUIT - CLASS AB - 30MHz
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5 Turns Diameter 8mm, 1.3mm Wire, Length 15mm
Hair Pin Copper Foil 20 x 5mm, 0.2mm Thick
1 Turn Diameter 10mm, 1.3mm Wire, Length 8mm
6 Turns Diameter 8mm, 1.3mm Wire, Length 25mm
4 Turns Diameter 12mm, 2mm Wire, Length 25mm
Choke
: 0.6Ω
SD1726 (THA15)
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0174
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
 1994 SGS-THOMSON Microelectronics - All Rights Reserved
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