STMICROELECTRONICS SD1459

SD1459
RF & MICROWAVE TRANSISTORS
TV/LINEAR APPLICATIONS
..
..
..
.
170 - 230 MHz
28 VOLTS
COMMON EMITTER
GOLD METALLIZATION
HIGH SATURATED POWER CAPABILITY
DIFFUSED EMITTER BALLAST
RESISTORS
P OUT = 20 W MIN. WITH 7.5 dB GAIN
.500 Dia .550 4L STUD (M164)
epoxy sealed
ORDER CODE
SD1459
BRANDING
SD1459
PIN CONNECTION
DESCRIPTION
The SD1459 is a gold metallized epitaxial silicon
NPN planar transistor using diffused emitter ballast
resistors for high linearity Class A operation in
VHF and Band III television transmitters and transposers.
1. Collector
2. Emitter
3. Base
4. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage
60
V
VCEO
Collector-Emitter Voltage
30
V
VEBO
Emitter-Base Voltage
4.0
V
Device Current
16
A
Power Dissipation
150
W
TJ
Junction Temperature
+200
°C
T STG
Storage Temperature
− 65 to +150
°C
1.2
°C/W
IC
PDISS
THERMAL DATA
RTH(j-c)
Junction-Case Thermal Resistance
September 9, 1993
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SD1459
ELECTRICAL SPECIFICATIONS (T case = 25 ° C)
STATIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
Unit
BVCBO
IC = 100 mA
IE = 0 mA
60
—
—
V
BVCEO
IC = 100 mA
IB = 0 mA
30
—
—
V
BVCER
IC = 100 mA
RBE = 10Ω
60
—
—
V
BVEBO
IE = 20 mA
IC = 0 mA
4.0
—
—
V
hFE
VCE = 5 V
IC = 1 A
10
—
120
—
DYNAMIC
Symbol
Min.
Typ.
Max.
Unit
POUT
f = 225 MHz
VCE = 28 V
IC = 3.5 A
20
—
—
W
GP
f = 225 MHz
VCE = 28 V
IC = 3.5 A
7.5
—
8.0
dB
COB
f = 1 MHz
VCB = 30 V
—
—
150
pf
∞:1
—
—
VSWR
Load
f = 225 MHz
Mismatch
2/5
Value
Test Conditions
VCE = 28 V
IC = 3.5 A
SD1459
TYPICAL PERFORMANCE
OUTPUT POWER vs INPUT POWER
INTERMODULATION DISTORTION vs
OUTPUT POWER
THERMAL RESISTANCE vs CASE
TEMPERATURE
SAFE OPERATING AREA
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SD1459
IMPEDANCE DATA
TYPICAL INPUT
IMPEDANCE
ZIN
TYPICAL COLLECTOR
LOAD IMPEDANCE
Z CL
ZCL
ZIN
FREQ.
ZIN (Ω)
170 MHz
0.6 + j 0.7
ZCL (Ω)
5.9 + j 3.5
200 MHz
0.55 + j 0.8
5.0 + j 3.0
230 MHz
0.5 + j 0.9
4.2 + j 2.8
TEST CIRCUIT FOR 225 MHz
C1, C10
C2
C3
C4, C5
C6
C7
C8, C11
C9
C12
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L1
L2
L3
L4
L5
L6
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Material:
1 1/2 Turns, 0.7mm Enameled Wire 4.5mm I.D.
21mm 50Ω Line
Length of the Base Lead
Enameled Wire 1.6mm Diameter
Enameled Wire 1.6mm Diameter
9 Turns 0.7mm Enameled Wire 4.5mm 1.D.
Epoxy 63 Mils Er = 2.55
SD1459
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0164
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
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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