2SA1225
2004-07-07
1
TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT process)
2SA1225
Power Amplifier Applications
Driver Stage Amplifier Applications
• High transition frequency: fT = 100 MHz (typ.)
• Complementary to 2SC2983
Maximum Ratings (Ta = 25°C)
Characteristics Symbol Rating Unit
Collector-base voltage VCBO −160 V
Collector-emitter voltage VCEO −160 V
Emitter-base voltage VEBO −5 V
Collector current IC −1.5 A
Base current IB −0.3 A
Ta = 25°C 1.0
Collector power
dissipation Tc = 25°C
PC
15
W
Junction temperature Tj 150 °C
Storage temperature range Tstg −55 to 150 °C
Unit: mm
JEDEC ―
JEITA ―
TOSHIBA 2-7B1A
Weight: 0.36 g (typ.)
JEDEC ―
JEITA ―
TOSHIBA 2-7J1A
Weight: 0.36 g (typ.)
2SA1225
2004-07-07
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Electrical Characteristics (Ta = 25°C)
Characteristics Symbol Test Condition Min Typ. Max Unit
Collector cut-off current ICBO V
CB = −160 V, IE = 0 ― ― −1.0 µA
Emitter cut-off current IEBO V
EB = −5 V, IC = 0 ― ― −1.0 µA
Collector-emitter breakdown voltage V (BR) CEO IC = −10 mA, IB = 0 −160 ― ― V
Emitter-base breakdown voltage V (BR) EBO IE = −1 mA, IC = 0 −5 ― ― V
DC current gain hFE
(Note) VCE = −5 V, IC = −100 mA 70 ― 240
Collector emitter saturation voltage VCE (sat) I
C = −500 mA, IB = −50 mA ― ― −1.5 V
Base-emitter voltage VBE V
CE = −5 V, IC = −500 mA ― ― −1.0 V
Transition frequency fT V
CE = −10 V, IC = −100 mA ― 100 ― MHz
Collector output capacitance Cob V
CB = −10 V, IE = 0, f = 1 MHz ― 30 ― pF
Note: hFE classification O: 70 to 140, Y: 120 to 240
Marking
A1225
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
Characteristics
indicator
Part No. (or abbreviation code)
2SA1225
2004-07-07
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Collector current IC (A)
Transition frequency fT (MHz)
Collector-emitter voltage VCE (V)
IC – VCE
Collector current IC (A)
Collector current IC (A)
hFE – IC
DC current gain hFE
Collector current IC (A)
VCE (sat) – IC
Collector-emitter saturation voltage
VCE (sat) (V)
Collector current IC (mA)
fT – IC
Collector-emitter voltage VCE (V)
Safe Operating Area
Collector power dissipation PC (W)
Ambient temperature Ta (°C)
PC – Ta
Common emitter
VCE = −5 V
10
−0.003
30
50
100
300
500
−0.01 −0.03 −0.1 −0.3 −1
Tc = 100°C
−25
25
−0.003
Common emitter
IC/IE = 10
Tc = 100°C
−0.05
−0.01 −0.03 −0.1 −0.3 −1
−0.1
−0.3
−0.5
−1
−3
−25
25
Common emitter
VCE = −10 V
Tc = 2 5 ° C
10
−5 −10 −30 −100 −300 −1000
30
50
100
300
(1) Tc = Ta Infinite heat sink
(2) Ceramic substrate
50 × 50 × 0.8 mm
(3) No heat sink
0
0
24
20 40 60 80 100 120 140 160
4
8
12
16
20
(1)
(2)
(3)
Common emitter
Tc = 2 5° C
0
0
−1.0
−0.2
IB = −2 mA
−0.4
−0.6
−0.8
−2 −4 −6 −8 −10 −12
−6
−8 −10−20
−4
−14
0
*: Single nonrepetitive
pulse Tc = 25°C
Curves must be derated
linearly with increase in
temperature.
−0.005
−0.3
IC max (continuous)
IC max (pulse)*
DC operation
Tc = 25°C
VCEO max
−100 −300−10 −30 −1 −3
−0.01
−0.03
−0.05
−0.1
−0.3
−0.5
−1
−3
−5
1 ms*
10 ms*
2SA1225
2004-07-07
4
• The information contained herein is subject to change without notice.
• 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.
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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.
030619EA
A
RESTRICTIONS ON PRODUCT USE
