2SC1741AS
Transistors
Medium Power Transistor (50V,0.5A)
2SC1741AS
Features
1) High current.(IC=5A)
2) Low saturation voltage, typically VCE(sat)=0.1V at IC / IB=150mA / 15mA.
Packaging specifications and hFE
Type
2SC1741AS
Package
hFE
SPT
QR
Marking
-
Code
TP
Basic ordering unit (pleces)
5000
Absolute maximum rationgs (Ta=25 C)
Parameter
Symbol
VCBO
Limits
Unit
50
V
Collector-emitter voltage
VCEO
50
V
Emitter-base voltage
VEBO
5
V
Collector current
IC
0.5
A
Collector power dissipation
PC
0.3
W
Collector-base voltage
Junction temperature
Tj
150
C
Storage temperature
Tstg
-55 to +150
C
Electrical characteristics (Ta=25 C)
Parameter
Symbol
BVCBO
Min.
Typ.
Max.
Unit
50
-
-
Collector-emitter breakdown voltage
BVCEO
50
-
-
V
V
Emitter-base breakdown voltage
BVEBO
5
-
Collector outoff current
ICBO
-
-
0.5
Emitter cutoff current
IEBO
-
0.5
A
A
DC current rransfer ratio
hFE
120
-
390
-
VCE(sat)
-
0.4
V
Transition frequency
fT
-
250
-
MHz
Output capacitance
Cob
-
6.5
-
pF
Collector-base breakdown voltage
Collector-emitter saturation voltage
V
Conditions
IC=100 A
IC=1mA
IE=100 A
VCB=30V
VEB=4V
VCE/IC=3V/0.1A
IC/IB=150mA/15mA
VCE=5V , IE=-20mA , f=100MHz
VCB=10V , IE=0A , f=1MHz
1/2
2SC1741AS
Transistors
Electrical characteristic curves
200
100
1000
0.50
Ta=25 C
Ta=25 C
0.45
2
1
-25 C
5
25 C
C
20
10
0.5
500
0.40
80
DC CURRENT GAIN hFE
COLLECTOR CURRENT : IC (mA)
50
Ta=100
COLLECTOR CURRENT : IC (mA)
VCE=6V
100
0.35
0.30
60
0.25
0.20
40
0.15
0.10
20
1V
100
50
0.05
0.2
VCE=3V
200
IB=0mA
0.1
0
0.2
0.4
0.6
0.8
1.0
2
3
4
0.1 0.2 0.5 1 2
5
5 10 20
50 100 200 500
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
COLLECTOR CURRENT IC (mA)
Fig.1 Ground emitter propagation
characteristics
Fig.2 Ground emitter output characteristics
Fig.3 DC current gain vs. Collector current ( )
Ta=25 C
VCE=10V
25 C
-25 C
100
50
COLLECTOR SATURATION
VOLTAGE : VCE (sat) (V)
Ta=75 C
IC/IB=10
0.5
COLLECTOR SATURATION
VOLTAGE : VCE (sat) (V)
500
200
1
BASE TO VOLTAGE : VBE (V)
1000
DC CURRENT GAIN hFE
0
0
1.2
0.2
100/1
IC/IB=
0.1
50/1
20/1
0.05
10/1
0.5
0.2
0.1
0.05
25 C
Ta=75 C
-25 C
20
1
2
5
10 20
0.02
50 100 200 500 1000
5
10
20
50 100 200
500
0.02
5
10 20
50 100 200 500 1000
COLLECTOR CURRENT IC (mA)
COLLECTOR CURRENT IC (mA)
Fig.4 DC current gain vs. Collector currnet ( )
Fig.5 Collector-emitter saturation voltage
vs. Collector current
Fig.6 Collector-emitter saturation voltage
vs. collector current
Ta=25 C
f=1MHz
IE=0A
50
Cib
20
Cob
10
5
Ta=25 C
COLLECTOR SATURATION
VOLTAGE : VCE (sat) (V)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
EMITTER INPUT CAPACITANCE : Cib (pF)
COLLECTOR CURRENT IC (mA)
VCE=6V
500
200
100
0.1 0.2
0.5
1
2
5
10 20
-1
-2
-5
-10
-20
COLLECTOR TO BASE VOLTAGE : VCB (V)
EMITTER TO BASE VOLTAGE : VEB (V)
EMITTER CURRENT : IE (mA)
Fig.7 Input-and-output capacity
vs.voltage characteristic
Fig.8 Transition frequency
vs.emitter current
-50
2/2
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