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1/7May 2004
SD1446
RF POWER BIPOLAR TRANSISTORS
UHF MOBILE APPLICATIONS
REV. 2
FEATURES SUMMARY
■ 50 MHz
■ 12.5 VOLTS
■ EFFICIENCY 55%
■ COMMON EMITTER
■ GOLD METALLIZATION
■ P
OUT
= 70 W MIN. WITH 10 dB GAIN
DESCRIPTION
The SD1446 is a 12.5 V Class C epitaxial silicon
NPN planar transistor designed primarily for land
mobile transmitter applications. This device utiliz-
es emitter ballasting and is extremely stable and
capable of withstanding high VSWR under operat-
ing conditions.
Figure 1. Package
Figure 2. Pin Connection
Table 1. Order Codes
.380 4L FL (M113)
epoxy sealed
1. Collector 3. Base
2. Emitter 4. Emitter
Order Codes Marking Package Packaging
SD1446 SD1446 M113 PLASTIC TRAYS
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
