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 Silicon Junction FETs (Small Signal)
2SK663
Silicon N-Channel Junction FET
For low-frequency amplification For switching
2.10.1 0.425 1.250.1 0.425
unit: mm
q Low noise-figure (NF) q High gate to drain voltage VGDO q S-mini type package, allowing downsizing of the sets and automatic insertion through the tape/magazine packing.
0.65
1
2.00.2
1.30.1
0.65
3
2
0.2
0.90.1
0 to 0.1
Parameter Drain to Source voltage Gate to Drain voltage Gate to Source voltage Drain current Gate current Allowable power dissipation Junction temperature Storage temperature
Symbol VDSX VGDO VGSO ID IG PD Tj Tstg
Ratings 55 -55 -55 30 10 150 125 -55 to +125
Unit V V V mA mA mW C C
0.70.1
s Absolute Maximum Ratings (Ta = 25C)
0.20.1
1: Source 2: Drain 3: Gate
EIAJ: SC-70 S-Mini Type Package (3-pin)
Marking Symbol (Example): 2B
s Electrical Characteristics (Ta = 25C)
Parameter Drain to Source cut-off current Gate to Source leakage current Gate to Drain voltage Gate to Source cut-off voltage Mutual conductance Symbol IDSS* IGSS VGDS VGSC gm Conditions VDS = 10V, VGS = 0 VGS = -30V, VDS = 0 IG = 100A, VDS = 0 VDS = 10V, ID = 10A VDS = 10V, ID = 5mA, f = 1kHz VDS = 10V, VGS = 0, f = 1MHz VDS = 10V, VGS = 0, Rg = 100k f = 100Hz 2.5 7.5 6.5 1.9 2.5 55 80 -5 min 1 typ max 12 -10 Unit mA nA V V mS pF pF dB
Input capacitance (Common Source) Ciss Reverse transfer capacitance (Common Source) Crss Noise figure NF
*
IDSS rank classification Runk IDSS (mA) P 1 to 3 2BP Q 2 to 6.5 2BQ R 5 to 12 2BR
Marking Symbol
0.15-0.05
+0.1
0.3-0
+0.1
s Features
1
Silicon Junction FETs (Small Signal)
PD Ta
240 5 Ta=25C 200
2SK663
ID VDS
10 Ta=25C
ID VDS
Allowable power dissipation PD (mW)
4
8
Drain current ID (mA)
160
Drain current ID (mA)
VGS=0V
3
VGS=0 - 0.2V
6
- 0.2V
120
- 0.4V 4 - 0.6V 2 - 0.8V -1.0V
2
- 0.4V - 0.6V
80
40
1
- 0.8V -1.0V
-1.2V 0 0.6 0 2 4 6 8 10 12
0 0 20 40 60 80 100 120 140 160
0 0 0.1 0.2 0.3 0.4 0.5
Ambient temperature Ta (C)
Drain to source voltage VDS (V)
Drain to source voltage VDS (V)
ID VGS
16 VDS=10V 14 12
gm VGS
12 VDS=10V Ta=25C
gm ID
VDS=10V Ta=25C
Mutual conductance gm (mS)
10
Mutual conductance gm (mS)
10
Drain current ID (mA)
12 10 8 6 4 75C 2 0 0 - 0.2 - 0.4 - 0.6 - 0.8 -1.0 -1.2
8
8 IDSS=7.5mA
Ta=-25C 25C
6
6
4
4
2
2
0 -2.0
0 -1.6 -1.2 - 0.8 - 0.4 0 0 2 4 6 8 10
Gate to source voltage VGS (V)
Gate to source voltage VGS (V)
Drain current ID (mA)
Ciss VDS
VGS=0 Ta=25C 14 12 10 8 6 4 2 0 0 2 4 6 8 10 12
Coss VDS
Output capacitance (Common source) Coss (pF)
8 VGS=0 Ta=25C 7 6 5 4 3 2 1 0 0 2 4 6 8 10 12
Input capacitance (Common source) Ciss (pF)
16
Drain to source voltage VDS (V)
Drain to source voltage VDS (V)
2


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