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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, aircraft’s
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.
PNP/NPN Epitaxial Planar Silicon Transistors
80V/7A Switching Applications
Ordering number:1797B
2SB921L/2SD1237L
92098HA (KT)/D251MH/4077KI/N275MW No.1797–1/4
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( ) : 2SB921L
Specifications
Absolute Maximum Ratings at Ta = 25C
Package Dimensions
unit:mm
2010C
[2SB921L/2SD1237L]
Applications
Suitable for relay drivers, high-speed inverters,
converters, and other genral large current switching
applications.
Features
Low collector-to-emitter saturation voltage :
VCE(sat)=–0.5V (PNP), 0.4V (NPN) max.
Large current capacity.
C
Electrical Characteristics at Ta = 25C
JEDEC : TO-220AB
1 : Base
EIAJ : SC-46
2 : Collector
3 : Emitter
Tc=25C
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* : The 2SB921/2SD1237 are graded as follows by hFE at 1A :
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