SGS Thomson Microelectronics TCC598 Datasheet
.860 MHz
.25 VOLTS
.COMMON EMITTER
.GOLD METALLIZATION
.CLASS A LIN EAR OPER AT IO N
. P
OUT
4.0 W MIN. WITH 7.0 dB GAIN
=
SD1448 (TCC598)
RF & MICROWAVE TRANSISTORS
UHF TV/L INEAR APPLICATIO NS
.280 4L ST UD (M122)
epoxy sealed
ORDER CODE
SD1448
PIN CONNECTION
BRANDING
TCC598
DESCRIPT I ON
The SD1448 is a silicon NPN bipolar device specifically designed for high linearity applications in
the UHF frequency range including TV Bands IV
and V.
Gold metallization and emitter ballasting assure
high reliability under Class A linear amplifier operation.
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 25 V
Emitter-Base Voltage 4 V
Device Current 1.6 A
Power Dissipation 31.8 W
Junction Temperature +200
Storage Temperature
Junction-Case Thermal Resistance 5.5 °C/W
case
= 25°C)
1. Collector 3. Base
2. Emitter 4. Emitter
65 to +150
−
°
C
°
C
November 1992
1/6
SD1448 (TCC598)
ELECTRICAL SPECIFICA TIONS (T
case
= 25°C)
STATIC
Symbol Test Conditions
BV
BV
BV
I
CBO
CEO
EBO
CBO
h
FE
IC= 10mA IE= 0mA 45 — — V
IC= 20mA IB= 0mA 25 — — V
IE= 2.5mA IC= 0mA 3.0 — — V
VCB= 28V IE= 0mA — — 0.9 mA
VCE= 20V IC= 500mA 10 — — —
DYNAMIC
Symbol Test C ond itions
1
P
OUT
G
P
IMD
C
OB
Note 1: P
Note 2: P
Note 3: Levels relative to P
f = 860 MHz VCE= 25 V IC= 850 mA 4.0 — — W
2
f = 860 MHz VCE= 25 V IC= 850 mA 7.0 — — dB
3
P
3
= 4W VCE= 25 V IC= 850 mA — — −60 dBc
SYNC
f = 1 MHz VCB= 25 V — — 20 pF
0.8W
=
IN
4W
=
OUT
4W
=
SYNC
f
860.0 MH z −8dBc
=
1
f
863.5 MH z −16dBc
=
2
f
864.5 MH z −7dBc
=
3
Value
Min. Typ. Max.
Value
Min. Typ. Max.
Unit
Unit
2/6
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