2sd1781kpt Chenmko Enterprise Co. Ltd., 2sd1781kpt Datasheet - Page 4

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

1000
200
100
500
50
20
10
100
Fig.5 Collector-emitter saturation
10
20
Fig.7 Collector output capacitance
50
5
COLLECTOR TO BASE VOLTAGE : V
1
voltage vs. collector current (2)
0.1
RATING CHARACTERISTIC CURVES ( 2SD1781KPT )
2
vs. collector-base voltage
0.2
COLLECTOR CURRENT: I
5
0.5
10
Ta=100 C
20
1.0
-55 C
25 C
O
O
O
2.0
50
100
5.0 10
200
C
T
f=1MHZ
IC/IB=10
(A)
a
IE=0A
500
=25
CS
20
(V)
O
C
1000
50
1000
500
200
100
200
100
50
20
10
20
10
5
50
Fig.6 Gain bandwidthproduct vs.
Fig.8 Emitter input capacitance vs.
0.1
EMITTER TO BASE VOLTAGE : V
-1
0.2
EMITTER CURRENT: I
emitter-base voltage
-2
emitter current
0.5
-5
-10
1.0
-20
2.0
-50
E
(mA)
5.0
-100
Ta=25 C
V
T
f=1MHZ
CE
a
IC=0A
EB
=25
-200
=5V
(V)
O
O
C
10