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Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircrafts
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
NPN Epitaxial Planar Silicon Transistor
Low-Frequency Power Amplifier Applications
Ordering number:EN2803
2SD2028
31099TH (KT)/D148MO, TS No.2803–1/3
0.4
0.95 0.95
1.9
2.9
0.5
1.5
2.5
0.5
0.16
0 to 0.1
0.8
1.1
2
3
1
Specifications
Absolute Maximum Ratings at Ta = 25C
Package Dimensions
unit:mm
2018B
[2SD2028]
Features
With Zener diode (11±3V) between collector and
base.
Large current capacity.
Low collector-to-emitter saturation voltage.
Ultrasmall-sized package permitting the 2SD2028-
applied sets to be made small and slim.
C
Electrical Characteristics at Ta = 25C
1 : Base
2 : Emitter
3 : Collector
SANYO : CP
Continued on next page.
* : The 2SD2028 is classified by 50mA hFE as follows :
(Note) Marking : LT
hFE rank : 6, 7, 8
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