2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K
Transistors
High-Frequency Amplifier Transistor (18V, 50mA, 1.5GHz)
2SC5661 / 2S...
2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K
Transistors
High-Frequency Amplifier
Transistor (18V, 50mA, 1.5GHz)
2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K
!Features 1) High transition frequency. (Typ. fT = 1.5GHz) 2) Small rbb’⋅Cc and high gain. (Typ. 6ps) 3) Small NF. !External dimensions (Units : mm)
2SC5661
0.2 1.2 0.8
(2) (3) (1)
0.2
1.2 0.32
0.4 0.4
0.5
0.22
0.8
0.15Max.
! Absolute maximum ratings (Ta=25°C)
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current 2SC5661, 2SC4725 Collector power dissipation 2SC4082, 2SC3837K Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Limits 30 18 3 50 0.15 0.2 150 −55~+150 Unit V V V mA W °C °C
ROHM : VMT3
(1) Base (2) Emitter (3) Collector
(1) (2)
0.2 0.5 0.5
2SC4725
0.3
(3)
0.13 0to0.1
1.0
0.8 1.6
0.15
0.2
1.6
0.1Min.
(1)
2SC4082
Type Package hFE Marking Code Basic ordering unit (pieces)
∗ Denotes hFE
0to0.1
ROHM : EMT3 EIAJ : SC-75A
(1) Emitter (2) Base (3) Collector
0.55 0.65 0.65
(3)
2SC5661 VMT3 NP AC∗ T2L 8000
2SC4725 EMT3 NP AC∗ TL 3000
2SC4082 UMT3 NP 1C∗ T106 3000
2SC3837K SMT3 NP AC∗ T146 3000
0.3
!Packaging specifications and hFE
1.25 2.1
(2)
1.3 2.0
0.7
0.1to0.4
0to0.1
ROHM : UMT3 EIAJ : SC-70
(1) Emitter (2) Base (3) Collector
0.15
0.2
Each lead has same dimensions
(1)
2SC3837K
0.4
(3)
1.6 2.8
0.95 0.95 1.9 2.9
(2)
0.7
0.9
0.3to0.6
0to0.1
ROHM : SMT3 EIAJ : SC-59
Each lead has same dimensions
!Electrical ...
