Silicon Junction FETs (Small Signal)
2SK0301 (2SK301)
Silicon N-Channel Junction FET
For low-frequency amplification
For switching
unit: mm
5.0±0.2
4.0±0.2
ꢀ Features
ꢁ Low noies, high gain
ꢁ High gate to drain voltage VGDO
0.7±0.1
ꢀ Absolute Maximum Ratings (Ta = 25°C)
+0.15
–0.1
+0.15
0.45
0.45
–0.1
+0.6
–0.2
+0.6
2.5
2.5
–0.2
Parameter
Drain to Source voltage
Gate to Drain voltage
Gate to Source voltage
Drain current
Symbol
VDSX
VGDO
VGSO
ID
Ratings
55
Unit
V
1: Drain
2: Gate
3: Source
1
2 3
−55
V
−55
V
JEDEC: TO-92
EIAJ: SC-43
TO-92-A1 Package
±30
mA
mA
mW
°C
Gate current
IG
10
Allowable power dissipation
Junction temperature
Storage temperature
PD
250
Tj
125
Tstg
−55 to +125
°C
ꢀ Electrical Characteristics (Ta = 25°C)
Parameter
Symbol
Conditions
min
typ
max
20
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
VGDC
VGSC
gm
−10
I
−55
2.5
−80
Gate to Source cut-off voltage
Mutual conductance
VDS = 10V, ID = 10µA
−5
V
VDS = 10V, VGS = 0, f = 1kHz
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
0.5
dB
f = 100Hz
* IDSS rank classification
Runk
P
Q
R
S
IDSS (mA)
1 to 3
2 to 6.5
5 to 12
10 to 20
Note) The part number in the parenthesis shows conventional part number.
247