SD1274
RF & MICROWAVE TRANSISTORS
VHF MOBILE APPLICATIONS
.
.
.
.
160 MHz
13.6 VOLTS
COMMON EMITTER
P
OUT
=
30 W MIN. WITH 10 dB GAIN
.380 4L STUD (M135)
epoxy sealed
ORDER CODE
SD1274
BRANDING
SD1274
PIN CONNECTION
DESCRIPTION
The SD1274 is a 13.6 V Class C epitaxial silicon
NPN planar transistor designed primarily for VHF
communications. The SD1274 utilizes an emitter
ballasted die geometry to withstand severe load
mismatch conditions.
ABSOLUTE MAXIMUM RATINGS
(T
case
=
25
擄
C)
Symbol
Parameter
1. Collector
2. Base
3. Emitter
4. Base
Value
Unit
V
CBO
V
CEO
V
CES
V
EBO
I
C
P
DISS
T
J
T
STG
Collector-Base Voltage
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
36
16
36
4.0
8.0
70
+200
鈭?/div>
65 to +150
V
V
V
V
A
W
擄
C
擄
C
擄C/W
1/4
THERMAL DATA
R
TH(j-c)
Junction-Case Thermal Resistance
June 1993
1.2
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