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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.