Page 1
RF & MICROWAVE TRANSISTORS
1.6 GHZ SATCOM APPLICAT IONS
.1.65 GHz
.28 VOLTS
.OVERLAY D IE GEOMETRY
. GOLD METALLIZATION
.HIGH RELIABILITY AND RUGGEDNESS
.P
OUT
10 W MIN. WITH 11.0 dB GAIN
=
.COMMON BASE
ORDER CODE
SD1893-03
PIN CONNECTION
SD1893-03
.230 2LF L (M151)
hermetically sealed
BRANDING
1893-3
DESC RIPT ION
The SD1893-03 is a 28 V silicon NPN planar transistor designed for INMARSAT and other 1.6 GHz
SATCOM applications. The device utilizes polysilicon site ballasting with a gold metallized die
to achieve high reliability and ruggedness.
ABSOLUTE MAXIMUM RATINGS (T
Symbol Parameter Value Uni t
V
CBO
V
CEO
V
EBO
I
C
P
DISS
T
J
T
STG
THERMA L DA TA
R
TH(j-c)
Collector-Base Voltage 45 V
Collector-Emitter Voltage 15 V
Emitter-Base Voltage 3.5 V
Device Current 4.4 A
Power Dissipation 43 W
Junction Temperature +200
Storage Temperature
Junction-Case Thermal Resistance 5.5 °C/W
case
= 25°C)
1. Collector 3. Base
2. Emitter
65 to +200
−
°
C
°
C
November 1992
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Page 2
SD1893-03
ELECTRICAL SPECIFICA TIONS (T
case
= 25°C)
STATIC
Symbol Test Conditions
BV
CBOIC
BV
EBOIE
I
CBO
h
FE
= 3mA IE= 0mA 45 — — V
= 3mA IC= 0mA 3.5 — — V
VCB= 28V IE= 0mA — — 5 mA
VCE= 5V IC= 300mA 15 — 150 —
Min. Typ. Max.
Value
DYNAMIC
Symbol Test Cond iti ons
P
OUT
G
η
cf=1.65 GHz PIN= 0.6 W VCE= 28 V 45 — — %
C
OB
f = 1.65 GHz PIN= 0.6 W VCE= 28 V 10 — — W
f = 1.65 GHz PIN= 0.6 W VCE= 28 V 11 — — dB
P
f = 1 MHz VCB= 28 V — 19 — pF
Value
Min. Typ. Max.
Unit
Unit
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Page 3
IMPEDA NCE DATA
TYPICAL INPUT
IMPEDANCE
Z
IN
TYPICAL COLLECTOR
LOAD IMPEDANCE
Z
CL
SD 1893-03
FREQ. ZIN(Ω)Z
CL
(Ω)
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
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Page 4
SD1893-03
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
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Page 5
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0151
SD 1893-03
Information furnished isbelieved to be accurate and reliable.However, SGS-THOMSON Microelectronics assumesno responsability for the
consequences of useof 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 patentor patentrights of SGS-THOMSON Microelectronics. Specificationsmentioned
in this publication are subject to change without notice. This publication supersedes andreplaces all information previously supplied.
SGS-THOMSON Microelectronicsproductsare notauthorized foruse ascritical componentsin life supportdevicesorsystems without express
written approval of SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics- All Rights Reserved
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
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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