2SC1741S
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
DC current transfer ratio
Collector-emitter saturation voltage
Transition frequency
Output capacitance
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
h
FE
V
CE(sat)
f
T
Cob
Min.
40
32
5
−
−
120
−
−
−
Typ.
−
−
−
−
−
−
−
250
6.5
Max.
−
−
−
1
1
390
0.6
−
−
Unit
V
V
V
µA
µA
−
V
MHz
pF
I
C
=
100µA
I
C
=
1mA
I
E
=
100µA
V
CB
=
20V
V
EB
=
4V
V
CE
=
3V, I
C
=
100mA
I
C
/I
B
=
500mA/50mA
V
CE
=
5V, I
E
=
−20mA,
f
=
100MHz
V
CB
=
10V, I
E
=
0A, f
=
1MHz
Conditions
Packaging Specifications and h
FE
Package
Code
Taping
TP
5000
Type
2SC1741S
h
FE
QR
Basic ordering unit (pieces)
h
FE
values are classified as follows:
Item
h
FE
Q
120 to 270
R
180 to 390
Electrical characteristic curves
1000
500
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR CURRENT : I
C
(mA)
V
CE
=
6V
100
Ta
=
25
°C
0.50
mA
A
0.45m
A
0.40m
0.35mA
0.30mA
0.25mA
500
Ta
=
25
°C
2mA
1.8mA
1.6mA
1.4mA
1.2mA
1.0mA
0.8mA
200
100
50
20
10
5
2
1
0.5
0.2
0.1
0.2
0.3
0.4
0.5
0.6
0.7 0.8
0.9
1.0
1.1
400
Ta
=
100
°C
80
°C
25
°C
−25°C
−55°C
300
50
0.20mA
0.15mA
0.10mA
200
0.6mA
0.4mA
100
0.05mA
0
0
1
2
3
I
B
=
0A
4
0.2mA
5
0
0
I
B
=
0A
1
2
3
4
5
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(
Ι
)
Fig.3
Grounded emitter output
characteristics(
ΙΙ
)
Rev.A
2/3
2SC1741S
Transistors
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
1
1000
DC CURRENT GAIN : h
FE
0.5
500
0.2
0.1
0.05
Ta
=
100
°C
75
°C
50
°
C
100
25
°
C
0
°
C
°
C
50
−
25
0
°
C
−
5
200
20
TRANSITION FREQUENCY : f
T
(MHz)
Ta
=
25
°C
l
C
/l
B
=
10
V
CE
=
3V
500
Ta
=
25
°C
V
CE
=
5V
200
100
50
0.02
0.5
1
2
5
10
20
50 100 200
500 1000
10
0.1 0.2
0.5 1
2
5 10 20
50 100 200 500 1000
−0.5
−1
−2
−5
−10
−20
−50
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR CURRENT : I
C
(mA)
EMITTER CURRENT : I
E
(mA)
Fig.4 Collector-emitter saturation voltage
vs. collector current
Fig.5 DC current gain vs. collector current
Fig. 6 Gain bandwidth product vs.
emitter current
COLLECTOR OUTPUT CAPACITANCE : Cob
(pF)
EMITTER INPUT CAPACITANCE
: Cib
(pF)
50
Ta
=25°C
f
=
1MHz
I
E
=
0A
I
C
=
0A
Cib
20
Co
10
b
5
2
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 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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