Ordering number:1787A
PNP/NPN Epitaxial Planar Silicon Transistors
2SB1121/2SD1621
High-Current Driver Applications
Applications
Package Dimensions
unit:mm
· Voltage regulators, relay drivers, lamp drivers,
electrical equipment.
2038
[2SB1121/2SD1621]
Features
· Adoption of FBET, MBIT processes.
· Low collector-to-emitter saturation voltage.
· Large current capacity and wide ASO.
· Fast switching speed.
· Very small size making it easy to provide high-
density, small-sized hybrid IC’s.
E : Emitter
C : Collector
B : Base
( ) : 2SB1121
SANYO : PCP
(Bottom view)
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Collector-to-Base Voltage
Symbol
Conditions
Ratings
Unit
V
V
(–)30
(–)25
(–)6
(–)2
(–)5
500
1.3
CBO
Collector-to-Emitter Voltage
Emitter-to-Base Voltage
Collector Current
V
V
CEO
V
V
EBO
I
A
C
Collector Current (Pulse)
Collector Dissipation
I
A
CP
P
mW
W
˚C
˚C
C
Mounted on ceramic board (250mm2×0.8mm)
Junction Temperature
Storage Temperature
Tj
150
Tstg
–55 to +150
Electrical Characteristics at Ta = 25˚C
Ratings
typ
Parameter
Symbol
Conditions
Unit
min
max
Collector Cutoff Current
I
V
=(–)20V, I =0
E
=(–)4V, I =0
C
=(–)2V, I =(–)100mA
C
=(–)2V, I =(–)1.5A
C
(–)0.1
(–)0.1
560*
µA
µA
CBO
CB
EB
CE
CE
CE
Emitter Cutoff Current
DC Current Gain
I
V
V
V
V
EBO
h
1
100*
65
FE
FE
h
2
Gain-Bandwidth Product
f
=(–)10V, I =(–)50mA
C
150
MHz
T
* ; The 2SB1121/2SD1621 are classified by 100mA h as follows :
FE
100
R
200
140
S
280
200
T
400
280
U
560
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.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
92098HA (KT)/4107KI/3045MW, TS No.1787–1/4