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2SA1979
SSeemmiiccoonndduuccttoorr
Description
• Medium power amplifier
Features
• Large collector current : I
• Suitable for low-Voltage operation because of its low saturation voltage
• Complementary pair with 2SC5342
Ordering Information
Type NO. Marking Package Code
2SA1979 A1979 TO-92
Outline Dimensions unit : mm
=-500mA
CMax
4.4~4.6
PNP Silicon Transistor
3.35~3.55
2.15~2.35
4.4~4.6
14.0±0.40
0.38~0.42
1.27 Typ
2.54 Typ.
.
1.96~2.16
1 2 3
PIN Connections
1. Emitter
1.1~1.3
0.38
2. Collector
3. Base
KST-9001-002
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2SA1979
Absolute maximum ratings (Ta=25°C)
Characteristic Symbol Ratings Unit
Collector-Base voltage V
Collector-Emitter voltage V
Emitter-Base voltage V
Collector current IC -500 mA
Collector dissipation PC 625 mW
Junction temperature Tj 150
Storage temperature T
Electrical Characteristics (Ta=25°C)
Characteristic Symbol Test Condition Min. Typ. Max. Unit
I
Collector-Base breakdown voltage BV
Collector-Emitter breakdown voltage BV
Emitter-Base breakdown voltage BV
Collector cut-off current I
Emitter cut-off current I
DC current gain h
Collector-Emitter saturation voltage V
Transistor frequency fT VCE=-6V, IC=-20mA - 200 - MHz
Collector output capacitance Cob VCB=-6V, IE=0, f=1MHz - 7.5 - pF
CBO
CEO
EBO
CBO
EBO
*
FE
CE(sat)
=-100µA, IE=0
C
IC=-1mA, IB=0 -32 - - V
=-10µA, IC=0
I
E
VCB=-40V, IE=0 - - -0.1
VEB=-5V, IC=0 - - -0.1
VCE=-1V, IC=-100mA 70 - 240 -
IC=-100mA, IB=-10mA - - -0.25 V
-40 V
CBO
-32 V
CEO
-5 V
EBO
°C
-55~150
stg
-40 - - V
-5 - - V
°C
µA
µA
* : hFE rank / O : 70~140, Y : 120~240
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Electrical Characteristic Curves
2SA1979
Fig. 1 P
Fig. 3 I
C - Ta
C - VCE
Fig. 2 I
Fig. 4 V
C - VBE
CE(sat) - IC
Fig. 5 h
FE - IC
Fig. 6 h
FE
- I
C
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2SA1979
These AUK products are intended for usage in general electronic equipments(Office and
communication equipment, measuring equipment, domestic electrification, etc.).
Please make sure that you consult with us before you use these AUK products in equipm-
ents which require high quality and/or reliability, and in equipments which could have
major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic
signal, combustion central, all types of safety device, etc.).
AUK cannot accept liability to any damage which may occur in case these AUK products
were used in the mentioned equipments without prior consultation with AUK.
KST-9001-002
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