Silicon Transistor Audio power amplifier application Feature
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2SA1981
Silicon Transistor
Audio power amplifier application
Features
High hFE=100~320 Complementary pair with 2SC5344
Ordering Information
Type 2SA1981 Marking A1981 Package Code TO-92
Outline Dimensions
3.45±0.1 4.5±0.1 2.25±0.1
unit
4.5±0.1
0.4±0.02
2.06±0.1
14.0±0.40
1.27 Typ. 2.54 Typ.
Connections Emitter Collector Base
1.20±0.1
0.38
KST-9003-001
2SA1981
Absolute maximum ratings
Characteristic
Collector-Base voltage Collector-Emitter voltage Emitter-Base voltage Collector current Collector dissipation Junction temperature Storage temperature
(Ta=25°C)
Symbol
VCBO VCEO VEBO Tstg
Ratings
-800 -55~150
Unit
Electrical Characteristics
Characteristic
Collector-Base breakdown voltage Collector-Emitter breakdown voltage Emitter-Base breakdown voltage Collector cut-off current Emitter cut-off current current gain Collector-Emitter saturation voltage Transition frequency Collector output capacitance
(Ta=25°C)
Symbol
BVCBO BVCEO BVEBO ICBO IEBO
Test Condition
IC=-500µA, IE=0 IC=-1mA, IB=0 IE=-50µA, IC=0 VCB=-35V, IE=0 VEB=-5V, IC=0 VCE=-1V, IC=-100mA IC=-500mA, IB=-20mA VCE=-5V, IE=10mA VCB=-10V, IE=0, f=1MHz
Min. Typ. Max.
-0.1 -0.1 -0.5
Unit
VCE(sat)
rank 100~200, 160~320
KST-9003-001
2SA1981
Electrical Characteristic Curves
Fig. Pc-Ta Fig. -VBE
Fig.
Fig.
Fig. VCE(SAT)
KST-9003-001
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