SD1729 (TH416)
RF & MICROWAVE TRANSISTORS
HF SSB APPLICATIONS
.
.
.
.
.
.
.
OPTIMIZED FOR SSB
30 MHz
28 VOLTS
IMD
−30
dB
COMMON EMITTER
GOLD METALLIZATION
P
OUT
=
130 W PEP WITH 12 dB GAIN
.500 4LFL (M174)
epoxy sealed
ORDER CODE
SD1729
BRANDING
TH416
PIN CONNECTION
DESCRIPTION
The SD1729 is a Class AB 28 V epitaxial silicon
NPN planar transistor designed primarily for SSB
communications. This device utilizes emitter bal-
lasting to achieve extreme ruggedness under
severe operating conditions.
ABSOLUTE MAXIMUM RATINGS
(T
case
=
25
°
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
70
35
4.0
12
175
+200
−
65 to +150
V
V
V
A
W
°
C
°
C
THERMAL DATA
R
TH(j-c)
November 1992
Junction-Case Thermal Resistance
1.0
°C/W
1/4
STMICROELECTRONICS [ STMICROELECTRONICS ]
