PNP/NPN Epitaxial Planar Silicon Transistors
50V/4A Switching Applications
· Power supplies, relay drivers, lamp drivers.
· Adoption of FBET and MBIT processes.
· Large allowable collector dissipation.
· Low saturation voltage.
· Wide ASO and large current capacity.
· Usage of radial taping to meet automatic mounting.
( ) : 2SA1855
Absolute Maximum Ratings at Ta = 25˚C
Colletor Current (Pulse)
1 : Emitter
2 : Collector
3 : Base
SANYO : FLP
–55 to +150
Electrical Characteristics at Ta = 25˚C
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Gain Bandwidth Product
* : The 2SA1855/2SC4837 are classified by 100mA hFE as follows :
100 to 200 140 to 280 200 to 400
min typ max
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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
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
91003TN (KT)/91098HA (KT)/5132MH (KOTO) No.4135–1/4