2SC4115S
Transistors
Electrical characteristics
(Ta=25 C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Output capacitance
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
h
FE
f
T
Cob
Min.
40
20
6
−
−
−
120
−
−
Typ.
−
−
−
−
−
0.2
−
290
25
Max.
−
−
−
0.1
0.1
0.5
390
−
−
Unit
V
V
V
I
C
=50μ
A
I
C
=1mA
I
E
=50μ
A
V
CB
=30V
V
EB
=5V
I
C
/I
B
=2A/0.1A
V
CE
=2V,
I
C
=0.1A
V
CE
=2V,
I
E
= −0.5A,
f=100MHz
V
CE
=10V,
I
E
=0A,
f=1MHz
Conditions
μ
A
μ
A
V
−
MHz
pF
∗
∗
Measured using pulse current.
Packaging specifications and h
FE
Package
Code
Type
2SC4115S
h
FE
QRS
Basic ordering
unit (pieces)
Taping
TP
5000
h
FE
values are classified as follows :
Item
h
FE
Q
120 to 270
R
180 to 390
S
270 to 560
Electrical characteristic curves
10
5
COLLECTOR CURRENT : I
C
(A)
V
CE
=2V
2
2
1
0.5
0.2
0.1
0.05
0.02
0.01
5m
2m
1m
0
COLLECTOR CURRENT : I
C
(A)
COLLECTOR CURRENT : I
C
(A)
1.6
20mA
18mA
16mA
14mA
Ta=25°C
12mA
10mA
8mA
6mA
5
50mA
45mA
40mA
4
Ta=25°C
35mA
30mA
25mA
20mA
15mA
10mA
Ta=100°C
25°C
−40°C
1.2
4mA
0.8
2mA
0.4
I
B
=0A
1.0
3
2
5mA
1
I
B
=0A
1
2
3
4
5
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0
0.2
0.4
0.6
0.8
0
0
BASE TO EMITTER VOLTAGE : V
BE
(V)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V)
Fig.1
Grounded emitter propagation
characteristics
Fig.2
Grounded emitter output
characteristics ( )
Fig.3
Grounded emitter output
characteristics ( )
Rev.A
2/3
2SC4115S
Transistors
5000
2000
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
V
CE
=
2V
2
1
0.5
0.2
0.1
50m
20m
10m
5m
Ta=100°C
25°C
−40°C
I
C
/I
B
=10
1
0.5
0.2
0.1
0.05
0.02
0.01
5m
2m
l
C
/l
B
=20
DC CURRENT GAIN : h
FE
1000
500
200
100
50
20
10
Ta=100°C
25°C
−40°C
Ta=100°C
25°C
−40°C
5
1m 2m 5m0.010.02 0.05 0.10.2 0.5 1 2
COLLECTOR CURRENT : I
C
(A)
5 10
2m
1m 2m 5m10m20m50m0.1 0.2 0.5 1 2
COLLECTOR CURRENT : I
C
(A)
5 10
1m
1m 2m 5m 0.010.02 0.05 0.1 0.2 0.5 1 2
COLLECTOR CURRENT : I
C
(A)
5 10
Fig.4
DC current gain vs.
collector current
Fig.5
Collector-emitter
saturation voltage vs.
collector current ( )
Fig.6
Collector-emitter
saturation voltage vs.
collector current ( )
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
I
C
/I
B
=20
COLLECTOR OUTPUT CAPACITANCE : C
ob
(pF)
EMITTER INPUT CAPACITANCE : C
ib
(pF)
2
1
0.5
0.2
0.1
50m
20m
10m
5m
Ta=100°C
25°C
−40°C
1000
TRANSITION FREQUENCY : f
T
(MHz)
500
200
100
50
20
10
5
2
1
−1
−2
Ta=25°C
V
CE
=2V
1000
500
Ta=25°C
f=1MHz
I
E
=0A
I
C
=0A
200
100
C
ob
C
ob
50
20
10
0.1 0.2
2m
1m 2m 5m10m20m50m 0.1 0.2 0.5 1 2
COLLECTOR CURRENT : I
C
(A)
5 10
−5 −10 −20 −50 −100 −200 −500 −1000
EMITTER CURRENT : I
E
(mA)
0.5
1
2
5
10
20
50
COLLECTOR TO BASE VOLTAGE : V
CB
(V)
EMITTER TO BASE VOLTAGE : V
EB
(V)
Fig.7
Collector-emitter
saturation voltage vs.
collector current ( )
Fig.8
Gain bandwidth product vs.
emitter current
Fig.9
Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
Rev.A
3/3
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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