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2SD1759 / 2SD1861
Transistors
Power transistor (40V, 2A)
2SD1759 / 2SD1861
Features 1) Darlington connection for high DC current gain. 2) Built-in 4k resistor between base and emitter. 3) Complements the 2SB1183 / 2SB1239.
External dimensions (Unit : mm)
2SD1759
0.75
5.5 1.5
(3) (2) (1)
2.3
0.9
0.9
0.65
2.3
Equivalent circuit
1.0 0.5 0.5
1.0 0.9 14.5 4.4
0.8Min.
C
1.5 2.5 9.5
B
ROHM : CPT3 EIAJ : SC-63
RBE 4k
(1) Base (2) Collector (3) Emitter
C : Collector B : Base E : Emitter
E
2SD1861
6.8 2.5
Absolute maximum ratings (Ta=25C)
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature 2SD1861 2SD1759 PC Tj Tstg Symbol VCBO VCER VEBO IC Limits 40 40 5 2 1 1 10 150 -55 to +150
Unit V V(RBE=10k) V A(DC) W W(TC=25C) C C
0.65Max.
0.5 (1) (2) (3) 2.54 2.54
1.05
2.3
0.45
Taping specifications
ROHM : ATV
Printed circuit board 1.7mm thick, collector plating 1cm2 or larger.
(1) Emitter (2) Collector (3) Base
Packaging specifications and hFE
Type Package hFE Code Basic ordering unit (pieces) 2SD1759 CPT3 1k to 200k TL 2500 2SD1861 ATV 1k to TV2 2500
Electrical characteristics (Ta=25C)
Parameter Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current Collector-emitter saturation voltage Symbol BVCBO BVCER BVEBO ICBO IEBO VCE(sat) hFE fT Cob Min. 40 40 5 - - - 1000 1000 - - Typ. - - - - - 0.8 - - 150 11 Max. - - - 1 1 1.5 20000 - - - Unit V V V A A V - - MHz pF Conditions IC=50A IC=1mA , RBE=10k IE=50A VCB=24V VEB=4V IC/IB=0.6A/1.2mA VCE/IC=3V/0.5A VCE=6V , IE= -0.1A , f=100MHz VCB=10V , IE=0A , f=1MHz
DC current transfer ratio
2SD1759 2SD1861
Transition frequency Output capacitance
5.1 6.5
C0.5
Rev.A
1/2
2SD1759 / 2SD1861
Transistors
Electrical characteristics curves
1.0
2000
Ta=25C
COLLECTOR CURRENT : IC (A)
100
A
60A
200 100 50 20 10 5 2 1 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
DC CURRENT GAIN : hFE
0.8
70A
COLLECTOR CURRENT : IC (mA)
90A
80A
1000 500
Ta=25C VCE= 3V
Ta=25C
50000
0.6
50A
40A
20000 10000 5000
VCE=3V
0.4
30A
20A
1V
0.2
IB= 0A
10A
2000
0 0 1 2
3
4
5
1
2
5
10 20
50 100 200
500 1000 2000
5000
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
BASE TO EMITTER VOLTAGE : VBE (V)
COLLECTOR CURRENT : IC (mA)
Fig.1 Ground emitter output characteristics
Fig.2 Ground emitter propagation characteristics
Fig.3 DC current gain vs. collector current
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
COLLECTOR OUTPUT CAPACITANCE :Cob (pF)
5.0
20
EMITTER INPUT CAPACITANCE :Cib (pF)
Ta=25C IC/IB=1000
50
f=1MHz IC=0A Ta=25C
50
20
f=1MHz IC=0A Ta=25C
2.0 1.0 0.5
10 5
10 5
2
2
0.2
1
2
5 10 20
50 100 200
500 1000 2000
1 0.1 0.2
0.5
1
2
5
10 20
50 100
1 0.1 0.2
0.5
1
2
5
10 20
50 100
COLLECTOR CURRENT : IC (mA)
COLLECTOR TO BASE VOLTAGE : VCB (V)
EMITTER TO BASE VOLTAGE : VEB (V)
Fig.4 Collector-emitter saturation voltage vs. collector current
Fig.5 Colletor output capacitance vs. collector-base voltage
Fig.6 Emitter input capacitance vs. emitter-base voltage
Rev.A
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

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