2SA1145
2004-07-07
1
TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT Process)
2SA1145
Audio Frequency Amplifier Applications
Complementary to 2SC2705.
Small Collector Output Capacitance: Cob = 2.5 pF (typ.)
High Transition Frequency: fT = 200 MHz (typ.)
Maximum Ratings (Ta = 25°C)
Characteristics Symbol Rating Unit
Collector-base voltage VCBO 150 V
Collector-emitter voltage VCEO 150 V
Emitter-base voltage VEBO 5 V
Collector current IC 50 mA
Base current IB 5 mA
Collector power dissipation PC 800 mW
Junction temperature Tj 150 °C
Storage temperature range Tstg 55 to 150 °C
Electrical Characte ristics (Ta = 25°C)
Characteristics Symbol Test Condition Min Typ. Max Unit
Collector cut-off current ICBO V
CB = 150 V, IE = 0 0.1 µA
Emitter cut-off current IEBO V
EB = 5 V, IC = 0 0.1 µA
Collector-emitter breakdown voltage V (BR) CEO IC = 1 mA, IB = 0 150 V
DC current gain hFE (Note) VCE = 5 V, IC = 10 mA 80 240
Collector-emitter saturation voltage VCE (sat) I
C = 10 mA, IB = 1 mA 1.0 V
Base-emitter voltage VBE V
CE = 5 V, IC = 10 mA 0.8 V
Transition frequency fT V
CE = 5 V, IC = 10 mA 200 MHz
Collector output capacitance Cob V
CB = 10 V, IE = 0, f = 1 MHz 2.5 pF
Note: hFE classification O: 80 to 160, Y: 120 to 240
Mark ing
Unit: mm
JEDEC TO-92MOD
JEITA
TOSHIBA 2-5J1A
Weight: 0.36 g (typ.)
A1145
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
Characteristics
indicator
Part No. (or abbreviation code)
2SA1145
2004-07-07
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Collector-emitter voltage VCE (V)
IC – VCE
Collector current IC (A)
Collector current IC (A)
IC – VCE
Base-emitter voltage VBE (V)
DC current gain hFE
Collector current IC (mA)
hFEIC
Transition frequency fT (MHz)
Collector current IC (mA)
fT – IC
Collector-emitter saturation voltage
VCE (sat) (V)
Collector current IC (mA)
VCE (sat) – IC
Collector-base voltage VCB (V)
Cob – VCB
Collector output capacitance
Cob (pF)
Common emitter
VCE = 5 V
50
0
0
10
20
30
40
0.2 0.4 0.6 0.8 1.0 1.4
Ta = 100°C
25
1.2
25
1
0.5
IE = 0
f = 1 MHz
Ta = 25°C
300
1 3 10 100
3
5
10
0.3
0
30
0.5
Common emitter
Ta = 25°C
5
VCE = 10V
1000
1 3 10 30 100
100
300
3
1
Common emitter
VCE = 5V
10
0.3
1000
30
100
300
1 3 10 50
25
25
Ta = 100°C
30
Common emitter
Ta = 25°C
0
0
50
10
IB = 0.1 mA
20
30
40
2 4 6 8 10 12
0.2
14
0
0.3
0.5 0.4
Common emitter
IC/IB = 10
1
0.03
0.3
0.5
0.05
0.1
0.3
1 3 10 30 100
Ta = 100°C
25
3
25
2SA1145
2004-07-07
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Ambient temperature Ta (°C)
PC – Ta
Collector power dissipation PC (W)
1200
0
0 40 80 120 160
400
800
No heat sink
2SA1145
2004-07-07
4
The information contained herein is subject to change without notice.
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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
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conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
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(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
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030619EAA
RESTRICTIONS ON PRODUCT USE