2SC5662 / 2SC4726 /
2SC4083 /2SC3838K
Transistors
High-Frequency Amplifier Transistor
(11V, 50mA, 3.2GHz)
2SC5662 / 2SC4726 /
2SC4083 / 2SC3838K
zExternal dimensions (Unit : mm)
zFeatures
1) High transition frequency. (Typ. f
T= 3.2GHz)
2SC5662
2) Small rbb’⋅Cc and high gain. (Typ. 4ps)
1.2
0.32
3) Small NF.
(3)
( )( )
1 2
0.22
0.13
0.4 0.4
0.8
(1) Base
(2) Emitter
(3) Collector
0.5
zPackaging specifications and hFE
ROHM : VMT3
2SC4726
Type
2SC4726
EMT3
NP
2SC4083
UMT3
NP
2SC3838K
SMT3
NP
2SC5662
VMT3
NP
Package
0.7
1.6
hFE
0.55
0.3
AD
AD
1D
AD
Marking
Code
( )
3
T2L
TL
T106
T146
Basic ordering unit
(pieces)
(
)
( )
1
2
8000
3000
3000
3000
0.2
0.2
0.15
0.5 0.5
1.0
(1) Emitter
(2) Base
(3) Collector
ROHM : EMT3
EIAJ : SC-75A
zAbsolute maximum ratings (Ta=25°C)
2SC4083
2.0
0.9
0.7
Parameter
Collector-base voltage
Symbol
Limits
Unit
V
0.2
0.3
V
V
V
CBO
CEO
EBO
20
(
)
3
Collector-emitter voltage
Emitter-base voltage
Collector current
11
V
3
50
V
I
C
mA
(
)
2
( )
1
(1) Emitter
(2) Base
(3) Collector
2SC5662, 2SC4726
2SC4083, 2SC3838K
0.15
Collector power
dissipation
PC
W
0.650.65
1.3
0.2
0.15
Junction temperature
Storage temperature
Tj
150
°C
°C
ROHM : UMT3
EIAJ : SC-70
Each lead has same dimensions
Tstg
−55 to +150
2.9
1.1
0.8
2SC3838K
0.4
( )
3
(
)
( )
1
2
(1) Emitter
(2) Base
(3) Collector
0.95 0.95
1.9
0.15
ROHM : SMT3
EIAJ : SC-59
Each lead has same dimensions
zAbsolute maximum ratings (Ta=25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
BVCBO
BVCEO
BVEBO
20
11
3
−
−
−
−
−
−
−
−
−
0.5
0.5
0.5
V
V
I
I
I
C
C
=
=
10µA
1mA
V
E
=
10µA
I
CBO
EBO
CE(sat)
−
−
−
µA
µA
V
V
CB
=
=
10V
2V
Emitter cutoff current
I
V
EB
Collector-emitter saturation voltage
V
I
C/I
B
=
10mA/5mA
DC current
transfer ratio
2SC5662, 2SC4726,
2SC4083, 2SC3838K
hFE
56
−
180
−
V
CE/IC = 10V/5mA
f
T
1.4
−
−
3.2
0.8
4
−
1.5
12
−
GHz
pF
VCE
VCB
VCB
VCE
=
10V , I
10V , I
10V , I
E
E
C
= −10mA , f
=
500MHz
Transition frequency
Output capacitance
Collector-base time constant
Noise factor
Cob
Cc
NF
=
=
=
0A , f
=
1MHz
r
bb'
⋅
ps
=
=
10mA , f
=
31.8MHz
−
3.5
dB
6V , I
C
=
2mA , f
=
500MHz , Rg = 50Ω
Rev.B
1/2