2SD1781K Rohm, 2SD1781K Datasheet - Page 2

• Manufacturer Part Number: 2SD1781K
• Description: Medium Power Transistor (32V/ 0.8A)
• Manufacturer: Rohm

Transistors
Type
2SD1781K
Electrical characteristics (Ta=25°C)
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Output capacitance
Packaging specifications and h
Electrical characteristic curves
Fig.1
1000
500
200
100
0.5
0.2
0.1
50
20
10
5
2
1
0
BASE TO EMITTER VOLTAGE : V
0.2
Grounded emitter propagation
characteristics
0.4 0.6 0.8 1.0 1.2 1.4 1.6
Parameter
h
QR
FE
Package
Code
Basic ordering
unit (pieces)
V
Ta = 25°C
CE
= 6V
BE
(V)
FE
Symbol
BV
BV
BV
V
Cob
I
I
h
CBO
EBO
CE(sat)
f
FE
CBO
CEO
EBO
T
Taping
T146
3000
400
300
200
100
COLLECTOR TO EMITTER VOLTAGE : V
0
Min.
120
0
40
32
Fig.2
5
−
−
−
−
−
2
Typ.
150
0.1
15
Grounded emitter output
characteristics
−
−
−
−
−
−
4
Max.
390
0.5
0.5
0.4
−
−
−
−
−
6
h
FE
MHz
Unit
µ A
µ A
pF
Item
V
V
V
V
−
h
values are classified as follows :
FE
Tc=25°C
8
I
B
900µA
800µA
800µA
700µA
600µA
500µA
400µA
300µA
200µA
100µA
=0µA
I
I
I
V
V
I
V
V
V
1mA
1mA
C
C
E
C
=50 µ A
CB
EB
CE
CE
CB
=50 µ A
=1mA
/I
CE
B
=4V
=20V
=3V, I
=5V, I
=10V, I
10
=500mA/50mA
120 to 270
(V)
Q
C
E
= −50mA, f=100MHz
=100mA
E
Conditions
=0A, f=1MHz
1000
Fig.3
500
200
100
50
20
10
1
180 to 390
2
COLLECTOR CURRENT : I
DC current gain vs. collector
current
R
5
10 20
Ta=100°C
Rev.A
−55°C
25°C
2SD1781K
50 100 200 500 1000
C
V
(mA)
CE
= 5V
2/3