1.6 GHZ SATCOM APPLICATIONS
RF & MICROWAVE TRANSISTORS
.230 2LFL (M151)
hermetically sealed
.
1.65 GHz
.
28 VOLTS
.
OVERLAY DIE GEOMETRY
.
GOLD METALLIZATION
.
HIGH RELIABILITY AND RUGGEDNESS
.
P
OUT
=
10 W MIN. WITH 11.0 dB GAIN
.
COMMON BASE
DESCRIPTION
The SD1893-03 is a 28 V silicon NPN planar tran-
sistor designed for INMARSAT and other 1.6 GHz
SATCOM applications. The device utilizes poly-
silicon site ballasting with a gold metallized die
to achieve high reliability and ruggedness.
PIN CONNECTION
BRANDING
1893-3
ORDER CODE
SD1893-03
ABSOLUTE MAXIMUM RATINGS (T
case
=
25
C)
Symbol
Parameter
Value
Uni t
V
CBO
Collector-Base Voltage
45
V
V
CEO
Collector-Emitter Voltage
15
V
V
EBO
Emitter-Base Voltage
3.5
V
I
C
Device Current
4.4
A
P
DISS
Power Dissipation
43
W
T
J
Junction Temperature
+200
C
T
STG
Storage Temperature
-
65 to +200
C
R
TH(j-c)
Junction-Case Thermal Resistance
5.5
C/W
SD1893-03
1. Collector
3. Base
2. Emitter
THERMAL DATA
November 1992
1/5
ELECTRICAL SPECIFICATIONS (T
case
=
25
C)
Symbol
Test Conditi ons
Value
Uni t
Min.
Typ.
Max.
P
OUT
f
=
1.65 GHz
P
IN
=
0.6 W
V
CE
=
28 V
10
--
--
W
G
P
f
=
1.65 GHz
P
IN
=
0.6 W
V
CE
=
28 V
11
--
--
dB
c
f
=
1.65 GHz
P
IN
=
0.6 W
V
CE
=
28 V
45
--
--
%
C
OB
f
=
1 MHz
V
CB
=
28 V
--
19
--
pF
STATIC
Symbol
Test Conditions
Value
Unit
Min.
Typ.
Max.
BV
CBO
I
C
=
3mA
I
E
=
0mA
45
--
--
V
BV
EBO
I
E
=
3mA
I
C
=
0mA
3.5
--
--
V
I
CBO
V
CB
=
28V
I
E
=
0mA
--
--
5
mA
h
FE
V
CE
=
5V
I
C
=
300mA
15
--
150
--
DYNAMIC
SD1893-03
2/5
TYPICAL INPUT
IMPEDANCE
TYPICAL COLLECTOR
LOAD IMPEDANCE
IMPEDANCE DATA
Z
IN
Z
CL
FREQ.
Z
IN
(
)
Z
CL
(
)
1.5 GHz
2.5 + j 4.5
3.5
-
j 2.6
1.6 GHz
2.0 + j 6.0
3.0
-
j 3.3
1.7 GHz
2.0 + j 7.0
3.5
-
j 4.0
SD1893-03
3/5
TEST CIRCUIT
C1, C2 : .4 - 2.5pF Johanson Capacitor #27283
C3
: 100pF Chip Capacitor ATC 100 A101KCA 150
C4
: 15,000pF EMI Filter Murata/Erie 9900-381-6004
L1, L2 : 4 Turn, Choke #28 AWG .080" I.D.
Board
Material:
Epsilam 10, Er
=
10.2, H
=
.050"
1 Oz. Cu. SMA Launcher CDI (2 poeces)
.230" Fixture Housing Heatsink, Advanced Corp. 5308-2CC
SD1893-03
4/5
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0151
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
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
SD1893-03
5/5
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