Silicon Junction FETs (Small Signal)
2SK0663 (2SK663)
Silicon N-Channel Junction FET
For low-frequency amplification
For switching
unit: mm
+0.10
–0.05
+0.1
–0.0
0.15
0.3
3
I Features
G Low noise-figure (NF)
G High gate to drain voltage VGDO
G S-mini type package, allowing downsizing of the sets and auto-
matic insertion through the tape/magazine packing.
1
2
(0.65) (0.65)
1.3±0.1
2.0±0.2
10°
I Absolute Maximum Ratings (Ta = 25°C)
Parameter
Drain to Source voltage
Gate to Drain voltage
Gate to Source voltage
Drain current
Symbol
VDSX
VGDO
VGSO
ID
Ratings
Unit
V
55
−55
V
1: Source
2: Drain
3: Gate
−55
V
EIAJ: SC-70
SMini3-G1 Package
30
mA
mA
mW
°C
Gate current
IG
10
Marking Symbol (Example): 2B
Allowable power dissipation
Junction temperature
Storage temperature
PD
150
Tj
125
Tstg
−55 to +125
°C
I Electrical Characteristics (Ta = 25°C)
Parameter
Symbol
Conditions
min
typ
max
12
Unit
mA
nA
V
*
Drain to Source cut-off current
Gate to Source leakage current
Gate to Drain voltage
IDSS
VDS = 10V, VGS = 0
VGS = −30V, VDS = 0
G = 100µA, VDS = 0
1
IGSS
VGDS
VGSC
gm
−10
I
55
80
Gate to Source cut-off voltage
Mutual conductance
VDS = 10V, ID = 10µA
−5
V
VDS = 10V, ID = 5mA, f = 1kHz
2.5
7.5
6.5
1.9
mS
pF
Input capacitance (Common Source) Ciss
VDS = 10V, VGS = 0, f = 1MHz
Reverse transfer capacitance (Common Source) Crss
pF
VDS = 10V, VGS = 0, Rg = 100kΩ
Noise figure
NF
2.5
dB
f = 100Hz
* IDSS rank classification
Runk
P
Q
R
IDSS (mA)
1 to 3
2BP
2 to 6.5
2BQ
5 to 12
2BR
Marking Symbol
Note) The part number in the parenthesis shows conventional part number.
253