VHF MOBILE APPLICATIONS
RF & MICROWAVE TRANSISTORS
.380 4L STUD (M135)
epoxy sealed
.
160 MHz
.
13.6 VOLTS
.
COMMON EMITTER
.
P
OUT
=
40 W MIN. WITH 9.0 dB GAIN
DESCRIPTION
The SD1275 is a 13.6 V Class C epitaxial silicon
NPN planar transistor designed primarily for VHF
communications. The SD1275 utilizes an emitter
ballasted die geometry to withstand severe load
mismatch conditions.
PIN CONNECTION
BRANDING
SD1275
ORDER CODE
SD1275
ABSOLUTE MAXIMUM RATINGS (T
case
=
25
C)
Symbol
Parameter
Value
Uni t
V
CBO
Collector-Base Voltage
36
V
V
CEO
Collector-Emitter Voltage
16
V
V
CES
Collector-Emitter Voltage
36
V
V
EBO
Emitter-Base Voltage
4.0
V
I
C
Device Current
8.0
A
P
DISS
Power Dissipation
70
W
T
J
Junction Temperature
+200
C
T
STG
Storage Temperature
-
65 to +150
C
R
TH(j-c)
Junction-Case Thermal Resistance
1.2
C/W
SD1275
1. Collector
3. Emitter
2. Base
4. Base
THERMAL DATA
June 1993
1/4
ELECTRICAL SPECIFICATIONS (T
case
=
25
C)
Symbol
Test Conditi ons
Value
Uni t
Min.
Typ.
Max.
P
OUT
f
=
160 MHz
P
IN
=
5.0 W
V
CE
=
13.6 V
40
--
--
W
G
P
f
=
160 MHz
P
IN
=
5.0 W
V
CE
=
13.6 V
9
--
--
dB
C
OB
f
=
1 MHz
V
CB
=
15 V
--
95
--
pF
STATIC
Symbol
Test Conditions
Value
Unit
Min.
Typ.
Max.
BV
CES
I
C
=
15mA
V
BE
=
0mA
36
--
--
V
BV
CEO
I
C
=
50mA
I
B
=
0mA
16
--
--
V
BV
EBO
I
E
=
5mA
I
C
=
0mA
4.0
--
--
V
I
CBO
V
CB
=
15V
I
E
=
0mA
--
--
5
mA
h
FE
V
CE
=
5V
I
C
=
250mA
20
--
--
--
DYNAMIC
TYPICAL PERFORMANCE
POWER GAIN vs FREQUENCY
POWER OUTPUT vs POWER INPUT
SD1275
2/4
IMPEDANCE DATA
FREQ.
Z
IN
(
)
Z
CL
(
)
160 MHz
1.0 + j 0.4
2.3 + j 0.1
P
IN
=
3.0 W
V
CE
=
12.5 V
TYPICAL PERFORMANCE (cont'd)
POWER OUTPUT vs SUPPLY VOLTAGE
(175 MHz)
POWER OUTPUT vs SUPPLY VOLTAGE
(145 MHz)
POWER OUTPUT vs SUPPLY VOLTAGE
(160 MHz)
SD1275
3/4
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0135
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 as critical 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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SD1275
4/4
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