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TOSHIBA Transistor Silicon NPN Triple Diffused Type
2SD2531
Power Amplifier Applications
2SD2531
Unit: mm
Low collector saturation voltage: VCE (sat) = 0.5 V (typ.)
(IC = 2.5 A, IB = 0.25 A)
High power dissipation: PC = 25 W (Tc = 25°C)
Absolute Maximum Ratings (Tc = 25°C)
Characteristics
Symbol
Rating
Unit
Collector-base voltage
VCBO 60 V
Collector-emitter voltage
VCEO 60 V
Emitter-base voltage
VEBO 7 V
Collector current
IC 4 A
Base current
IB 1 A
Collector power
dissipation
Ta = 25°C
Tc = 25°C
PC
2.0
W
25
JEDEC
Junction temperature
Storage temperature range
Tj 150 °C
Tstg
55 to 150
°C
JEITA
TOSHIBA
SC-67
2-10R1A
Note: Using continuously under heavy loads (e.g. the application of high
temperature/current/voltage and the significant change in
Weight: 1.7 g (typ.)
temperature, etc.) may cause this product to decrease in the
reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are
within the absolute maximum ratings.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/Derating Concept and Methods) and individual reliability data (i.e. reliability test report
and estimated failure rate, etc).
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Electrical Characteristics (Tc = 25°C)
Characteristics
Collector cut-off current
Emitter cut-off current
Collector-emitter breakdown voltage
DC current gain
Collector-emitter saturation voltage
Base-emitter voltage
Transition frequency
Collector output capacitance
Symbol
Test Condition
ICBO
IEBO
V (BR) CEO
hFE (1)
hFE (2)
VCE (sat)
VBE
fT
Cob
VCB = 60 V, IE = 0
VEB = 7 V, IC = 0
IC = 10 mA, IB = 0
VCE = 5 V, IC = 0.5 A
VCE = 5 V, IC = 3 A
IC = 2.5 A, IB = 0.25 A
VCE = 5 V, IC = 0.5 A
VCE = 5 V, IC = 0.5 A
VCB = 10 V, IE = 0, f = 1 MHz
Marking
2SD2531
Min Typ. Max Unit
― ― 100 µA
― ― 100 µA
60 ― ―
V
100 320
20 ― ―
0.5 1.0
V
0.75 1.0
V
3 MHz
35 pF
D2531
Part No. (or abbreviation code)
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
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IC – VCE
4
Common
emitter
80 70 60 Tc = 25°C
3
50
40
30
2
20
1 IB = 10 mA
0
012345
Collector-emitter voltage VCE (V)
2SD2531
IC – VBE
4.0
Common
emitter
VCE = 5 V
3.0
2.0
Tc = 100°C
25
25
1.0
0
0 0.4 0.8 1.2 1.6 2.0
Base-emitter voltage VBE (V)
1000
500
300
100
50
30
hFE – IC
Tc = 100°C
25
25
Common emitter
VCE = 1 V
10
0.03
0.1 0.3 1 3
Collector current IC (A)
10
VCE (sat) – IC
3
Common emitter
1 IC/IB = 20
0.5
0.3
0.1 Tc = 100°C
0.05 25
0.03 25
0.01
0.01
0.03 0.1 0.3 1 3
Collector current IC (A)
10
Rth (t) – t
100
(1) No heat sink
(2) Infinite heat sink
(1) Ta = 25°C
10
(2) Tc = 25°C
1
0.1
0.01
103
102
101
1
10 102
Time t (s)
Safe Operating Area
10 IC max (pulsed)*
5 IC max (continuous)
3
DC operation
1 Tc = 25°C
1 ms*
10 ms*
100 ms*
1 s*
0.5
*: Single nonrepetitive pulse
0.3 Tc = 25°C
Curves must be derated
linearly with increase in
temperature.
0.1
13
10
30
VCEO max
100
Collector-emitter voltage VCE (V)
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2SD2531
RESTRICTIONS ON PRODUCT USE
The information contained herein is subject to change without notice.
030619EAA
The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of
TOSHIBA or others.
TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced
and sold, under any law and regulations.
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