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2SC3837K

Rohm
Part Number 2SC3837K
Manufacturer Rohm
Description High-Frequency Amplifier Transistor
Published Mar 22, 2005
Detailed Description 2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K Transistors High-Frequency Amplifier Transistor (18V, 50mA, 1.5GHz) 2SC5661 / 2S...
Datasheet PDF File 2SC3837K PDF File

2SC3837K
2SC3837K

Overview
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 characteristics (Ta=25°C) Parameter 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 Collector-base time constant Noise factor Symbol BVCBO BVCEO BVEBO ICBO IEBO VCE(sat) hFE fT Cob Min.
30 18 3 − − − 56 600 − − − Typ.
− − − − − − − 1500 0.
9 6 4.
5 Max.
− − − 0.
5 0.
5 0.
5 180 − 1.
5 13 − Unit V V V µ...


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