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鈭?/div>
55dB
COMMON EMITTER
GOLD METALLIZATION
HIGH SATURATED POWER CAPABILITY
DIFFUSED EMITTER BALLAST
RESISTORS
DESIGNED FOR HIGH POWER LINEAR
OPERATION
P
OUT
=
20 W MIN. WITH 8.0 dB GAIN
.500 4L STUD (M130)
epoxy sealed
ORDER CODE
SD1455
BRANDING
SD1455
PIN CONNECTION
DESCRIPTION
The SD1455 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 trans-
posers.
ABSOLUTE MAXIMUM RATINGS
(T
case
=
25
擄
C)
Symbol
Parameter
Value
Unit
1. Collector
2. Emitter
3. Base
4. Emitter
V
CEO
V
CES
V
EBO
I
C
P
DISS
T
J
T
STG
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
35
60
4.0
8.0
140
+200
鈭?/div>
65 to +150
V
V
V
A
W
擄
C
擄
C
THERMAL DATA
R
TH(j-c)
Junction-Case Thermal Resistance
July 1993
1.5
擄C/W
1/4
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