KST-3024-001
1
2SA1979U
PNP Silicon Transistor
Description
Medium power amplifier
Features
Large collector current : I
CMax
=-500mA
Suitable for low-Voltage operation because of its low saturation voltage
Complementary pair with 2SC5342U
Ordering
Information
Type NO. Marking Package Code
2SA1979U A SOT-323
: h
FE
rank
Outline Dimensions unit :
mm
S
S
e
e
m
m
i
i
c
c
o
o
n
n
d
d
u
u
c
c
t
t
o
o
r
r
PIN Connections
1. Base
2. Emitter
3. Collector
2.0~2.2
1.2~1.3
1
1.
8~2.
2
0.
2~0.
4
2
0.1 Min.
1.
2~1.
4
0.
8~1.
0
0.
1~0.
2
3
0~0.
1
KST-3024-001
2
2SA1979U
Absolute maximum ratings
(Ta=25
C)
Characteristic Symbol
Ratings
Unit
Collector-Base voltage
V
CBO
-40 V
Collector-Emitter voltage
V
CEO
-32 V
Emitter-Base voltage
V
EBO
-5 V
Collector current
I
C
-500
mA
Collector dissipation
P
C
200
mW
Junction temperature
T
j
150
C
Storage temperature
T
stg
-55~150 C
Electrical Characteristics
(Ta=25
C)
Characteristic Symbol
Test
Condition
Min.
Typ.
Max.
Unit
Collector-Base breakdown voltage
BV
CBO
I
C
=-100A, I
E
=0
-40 - - V
Collector-Emitter breakdown voltage
BV
CEO
I
C
=-1mA, I
B
=0 -32
-
-
V
Emitter-Base breakdown voltage
BV
EBO
I
E
=-10A, I
C
=0
-5 - - V
Collector cut-off current
I
CBO
V
CB
=-40V, I
E
=0 -
-
-0.1
A
Emitter cut-off current
I
EBO
V
EB
=-5V, I
C
=0 -
-
-0.1
A
DC current gain
h
FE
*
V
CE
=-1V, I
C
=-100mA 70
-
240
-
Collector-Emitter saturation voltage
V
CE(sat)
I
C
=-100mA, I
B
=-10mA -
-
-0.25
V
Transistor frequency
f
T
V
CE
=-6V, I
C
=-20mA -
200
-
MHz
Collector output capacitance
C
ob
V
CB
=-6V, I
E
=0, f=1MHz
-
7.5
-
pF
* : h
FE
rank / O : 70~140, Y : 120~240
KST-3024-001
4
2SA1979U
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.
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