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2SD1224
TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) (darlington)
2SD1224
Pulse Motor Drive, Hammer Drive Applications
Switching Applications
Power Amplifier Applications
Unit: mm
· High DC current gain: hFE = 4000 (min) (VCE = 2 V, IC = 150 mA)
· Low saturation voltage: VCE (sat) = 1.5 V (max) (IC = 1 A, IB = 1 mA)
Maximum Ratings (Ta = 25°C)
Characteristics
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Base current
Collector power
dissipation
Ta = 25°C
Tc = 25°C
Junction temperature
Storage temperature range
Symbol
VCBO
VCEO
VEBO
IC
IB
PC
Tj
Tstg
Rating
30
30
10
1.5
0.15
1.0
10
150
55 to 150
Unit
V
V
V
A
A
W
°C
°C
Equivalent Circuit
BASE
COLLECTOR
EMITTER
JEDEC
JEITA
TOSHIBA
2-7B1A
Weight: 0.36 g (typ.)
1 2002-07-23

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2SD1224
Electrical Characteristics (Ta = 25°C)
Characteristics
Collector cut-off current
Emitter cut-off current
Collector-emitter breakdown voltage
DC current gain
Collector-emitter saturation voltage
Base-emitter saturation voltage
Symbol
Test Condition
ICBO
IEBO
V (BR) CEO
hFE
VCE (sat)
VBE (sat)
VCB = 30 V, IE = 0
VEB = 10 V, IC = 0
IC = 10 mA, IB = 0
VCE = 2 V, IC = 150 mA
IC = 1 A, IB = 1 mA
IC = 1 A, IB = 1 mA
Min Typ. Max Unit
― ― 10 µA
― ― 10 µA
30 ― ―
V
4000
― ― 1.5 V
― ― 2.2 V
Turn-on time
Switching time Storage time
Fall time
ton
OUTPUT
0.18
20 µs
IB1
INPUT
tstg
IB2
IB2
0.6 µs
VCC 15 V
tf IB1 = IB2 = 1 mA,
DUTY CYCLE 1%
0.3
Marking
D1224
Product No.
Lot No.
Explanation of Lot No.
Month of manufacture: January to December are denoted by letters A to L respectively.
Year of manufacture: last decimal digit of the year of manufacture
2 2002-07-23

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500 Common emitter
Tc = 25°C
IC – VCE
400
60
50
300
200
100
0
0
40
30
20
IB = 10 µA
0
12345
Collector-emitter voltage VCE (V)
6
IC – VCE
500 Common emitter
Tc = 50°C
400
300
200
160
140
120
100
80
60
100
0
0
40
IB = 20 µA
0
12345
Collector-emitter voltage VCE (V)
6
2SD1224
IC – VCE
500 Common emitter
Tc = 100°C
400
300
35
30
25
20
200
100
0
0
15
10
IB = 5 µA
0
12345
Collector-emitter voltage VCE (V)
6
IC – VBE
1.0
Common emitter
VCE = 2 V
0.8
0.6
Tc = 100°C 25 50
0.4
0.2
0
0 0.4 0.8 1.2 1.6 2.0 2.4
Base-emitter voltage VBE (V)
30000
10000
5000
3000
1000
500
300
0.002
hFE – IC
Tc = 100°C
25
50
0.01 0.03
Common emitter
VCE = 2 V
0.1 0.3
1
Collector current IC (A)
3
10
5
3
1
0.5
0.3
0.1
0.002
VCE (sat) – IC
Common emitter
IC/IB = 1000
Tc = 50°C
25
100
0.01 0.03 0.1 0.3
Collector current IC (A)
1
3
3 2002-07-23

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VBE (sat) – IC
30
Common emitter
IC/IB = 1000
10
5
3
Tc = 50°C
1 25
0.5 100
0.3
0.1
0.002
0.01 0.03 0.1 0.3
Collector current IC (A)
1
Safe Operating Area
5
3
IC max (pulsed)*
IC max (continuous)
1 ms*
1 10 ms*
DC operation
Tc = 25°C
0.5
0.3
*: Single nonrepetitive pulse
Tc = 25°C
Curves must be derated linearly
with increase in temperature.
0.1
13
VCEO max
10
30
Collector-emitter voltage VCE (V)
2SD1224
10 (1)
8
PC – Ta
(1) Tc = Ta infinite heat sink
(2) Ceramic substrate
50 × 50 × 0.8 mm
(3) No heat sink
6
4
(2)
2
(3)
0
0 40 80 120 160 200 240 280
Ambient temperature Ta (°C)
4 2002-07-23

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2SD1224
RESTRICTIONS ON PRODUCT USE
000707EAA
· 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.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
5 2002-07-23