SD1458
RF & MICROWAVE TRANSISTORS
TV\LINEAR APPLICATIONS
.
.
.
.
.
.
.
.
.
170 - 230 MHz
28 VOLTS
IMD
鈭?5
dB
COMMON EMITTER
GOLD METALLIZATION
INTERNAL INPUT MATCHING
HIGH SATURATED POWER CAPABILITY
DESIGNED FOR HIGH POWER LINEAR
OPERATION
P
OUT
=
14 W MIN. WITH 14.0 dB GAIN
.500 6LFL (M111)
epoxy sealed
ORDER CODE
SD1458
BRANDING
SD1458
PIN CONNECTION
DESCRIPTION
The SD1458 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. Base
3. Emitter
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
60
35
4.0
10
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
November 1992
1.5
擄C/W
1/5
next