NPN Triple Diffused Planar Silicon Transistor
Switching Regulator Applications
· Surface mount type device making the following
-Reduction in the number of manufacturing pro-
cesses for 2SC4598-applied equipment.
-High density surface mount applications.
-Small size of 2SC4598-applied equipment.
· High breakdown voltage, high reliability.
· Fast switching speed.
· Wide ASO.
· Adoption of MBIT process.
Absolute Maximum Ratings at Ta = 25˚C
Collector Current (Pulse)
PW≤300µs, duty cycle≤10%
0 to 0.3
1 : Base
2 : Collector
3 : Emitter
SANYO : SMP-FD
–55 to +150
Electrical Characteristics at Ta = 25˚C
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
* : For the hFE1 of the 2SC4598, specify two ranks or more in principle.
15 L 30 20 M 40 30 N 50
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
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