SD1446
RF & MICROWAVE TRANSISTORS
HF/VHF APPLICATIONS
.
.
.
.
.
.
50 MHz
12.5 VOLTS
EFFICIENCY 55%
COMMON EMITTER
GOLD METALLIZATION
P
OUT
=
70 W MIN. WITH 10 dB GAIN
.380 4LFL (M113)
epoxy sealed
ORDER CODE
SD1446
BRANDING
SD1446
PIN CONNECTION
DESCRIPTION
The SD1446 is a 12.5 V Class C epitaxial silicon
NPN planar transistor designed primarily for land
mobile transmitter applications. This device utilizes
emitter ballasting and is extremely stable and ca-
pable of withstanding high VSWR under operating
conditions.
ABSOLUTE MAXIMUM RATINGS
(T
case
=
25
擄
C)
Symbol
Parameter
Value
Unit
1. Collector
2. Emitter
3. Base
4. Emitter
V
CBO
V
CEO
V
EBO
I
C
P
DISS
T
J
T
STG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
36
18
3.5
12.0
183
+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
November 1992
1.05
擄C/W
1/5
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