Transistor
2SC4787
Silicon NPN epitaxial planer type
For intermediate frequency amplification
Features
■
●
High transition frequency fT.
●
Satisfactory linearity of forward current transfer ratio hFE.
●
Allowing supply with the radial taping.
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Electrical Characteristics (Ta=25˚C)
■
Parameter
Collector cutoff current
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Common emitter reverse transfer capacitance
Power gain
Transition frequency
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
T
j
T
stg
Symbol
I
CBO
V
CBO
V
CEO
V
EBO
h
FE
V
CE(sat)
C
re
PG
f
T
Ratings
45
35
4
50
600
150
–55 ~ +150
VCB = 20V, IE = 0
IC = 100µA, IE = 0
IC = 1mA, IB = 0
IE = 100µA, IC = 0
VCE = 10V, IC = 10mA
IC = 20mA, IB = 2mA
VCB = 10V, IE = –1mA, f = 10.7MHz
VCB = 10V, IE = –10mA, f = 58MHz
VCB = 10V, IE = –10mA, f = 100MHz
Unit
V
V
V
mA
mW
˚C
˚C
Conditions
6.9±0.1
0.7 4.0
0.15
0.65 max.
+0.1
0.45
–0.05
2.5±0.5 2.5±0.5
123
Note: In addition to the
lead type shown in
the upper figure, the
type as shown in
the lower figure is
also available.
1.2±0.1
+
0.1
0.45
–
0.05
min
45
35
4
20
18
300
1.05
±0.05
1.0
0.85
–0.05
+0.1
0.45
1:Emitter
2:Collector
3:Base
MT1 Type Package
0.65
max.
typ
50
500
2.5±0.1
2.5±0.1
max
0.1
100
0.5
1.5
Unit: mm
(1.45)
0.8
0.8
3.5±0.114.5±0.5
(HW type)
Unit
MHz
µA
V
V
V
V
pF
dB
1
Transistor
2SC4787
PC — Ta IC — V
800
)
700
mW
(
C
600
500
400
300
200
100
Collector power dissipation P
0
0 16040 12080 14020 10060
Ambient temperature Ta (˚C
V
— I
CE(sat)
)
100
V
(
30
CE(sat)
10
3
1
0.3
0.1
0.03
0.01
Collector to emitter saturation voltage V
0.1 1 10 1000.3 3 30
25˚C
Collector current IC (mA
)
C
IC/IB=10
Ta=75˚C
–25˚C
)
CE
80
70
)
60
mA
(
C
50
40
30
20
Collector current I
10
0
0108264
IB=2.0mA
Collector to emitter voltage VCE (V
hFE — I
C
120
FE
100
80
60
40
20
Forward current transfer ratio h
0
0.1 1 10 1000.3 3 30
Ta=75˚C
VCE=10V
25˚C
–25˚C
Collector current IC (mA
1.8mA
1.6mA
1.4mA
1.2mA
1.0mA
0.8mA
0.6mA
0.4mA
0.2mA
)
60
50
)
mA
(
40
C
30
20
Collector current I
10
0
02.01.60.4 1.20.8
)
Base to emitter voltage VBE (V
600
)
500
MHz
(
T
400
300
200
100
Transition frequency f
0
– 0.1 –1 –10 –100– 0.3 –3 –30
IC — V
BE
25˚C
Ta=75˚C
VCB=10V
Ta=25˚C
fT — I
–25˚C
E
Emitter current IE (mA
VCE=10V
)
)
)
pF
(
Cob — V
3.0
2.5
ob
2.0
1.5
1.0
0.5
CB
Collector output capacitance C
0
1 3 10 30 100
Collector to base voltage VCB (V
2
IE=0
f=1MHz
Ta=25˚C
Cre — V
)
2.4
pF
(
re
2.0
1.6
1.2
0.8
0.4
Common emitter reverse transfer capacitance C
0
1 3 10 30 100
)
Collector to emitter voltage VCE (V
CE
IC=1mA
f=10.7MHz
Ta=25˚C
)
dB
(
Power gain PG
)
PG — I
E
30
25
20
15
10
5
0
– 0.1 –1 –10 –100– 0.3 –3 –30
VCB=10V
f=58MHz
Ta=25˚C
Emitter current IE (mA
)