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.
NPN Triple Diffused Planar Silicon Transistor
500V/50A Switching Regulator Applications
Ordering number:ENN2836
2SC3991
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
82903TN (KT)/N3098HA (KT)/9058MO, TS No.2836–1/4
Specifications
Absolute Maximum Ratings at Ta = 25C
Package Dimensions
unit:mm
2048B
[2SC3991]
Features
High breakdown voltage, high reliability.
Fast switching speed (tf=0.1μs typ).
Wide ASO.
Adoption of MBIT process.
C
Electrical Characteristics at Ta = 25C
1 : Base
2 : Collector
3 : Emitter
SANYO : TO-3PBL
Tc=25C
* : The hFE1 of the 2SC3991 is classified as follows.
Continued on next page.
When specifying the hFE1 rank, specify two ranks or more in principle.
PW≤300μs, duty cycle≤10%
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