2sd1781kpt Chenmko Enterprise Co. Ltd., 2sd1781kpt Datasheet - Page 3

• Manufacturer Part Number: 2sd1781kpt
• Description: Surface Mount Npn Switching Transistor
• Manufacturer: Chenmko Enterprise Co. Ltd.

1000
1000
500
100
0.5
0.2
20
10
5
Fig.1 Grounded emittterpropgation
50
200
100
2
500
1
1
10
50
20
0
Fig.3 DC Current gain vs.
1
0.2
BASE TO EMITTER VOLTAGE: V
RATING CHARACTERISTIC CURVES ( 2SD1781KPT )
2
characteristics
COLLECTOR CURRENT: I
0.4
collector current
5
0.6
10
Ta=100 C
0.8
20
-55 C
25 C
1.0
O
O
O
50
1.2
100
200
C
C
1.4
Ta=25 C
V
(mA)
CE
BE
V
500
CE
=6V
1.6
(V)
O
=5V
1000
-1000
-100
100
200
400
300
-10
Fig.4 Collector-emitter saturation
0
-1
-1m
COLLECTOR TO EMITTER VOLTAGE: V
0
Fig.2 Grounded emitter output
voltage vs. collector current (1)
I
C
COLLECTOR CURRENT: I
/I
B
2
=50
20
10
characteristics
-10m
4
6
-100m
C
8
T a=25
T
T
(A)
900uA
800uA
700uA
600uA
200uA
Ta=25 C
500uA
300uA
1mA
400uA
100uA
O
O
O
CE
C
C
C
O
10
-1
(V)