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3SK298 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – Silicon N-Channel Dual Gate MOS FET | |||
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3SK298
Absolute Maximum Ratings
Item
Drain to source voltage
Gate 1 to source voltage
Gate 2 to source voltage
Drain current
Channel power dissipation
Channel temperature
Storage temperature
Symbol
VDS
VG1S
VG2S
ID
Pch
Tch
Tstg
Ratings
12
±8
±8
25
100
150
â55 to +150
(Ta = 25°C)
Unit
V
V
V
mA
mW
°C
°C
Electrical Characteristics
(Ta = 25°C)
Item
Symbol Min Typ Max Unit
Test conditions
Drain to source breakdown voltage
V(BR)DSX
12
Gate 1 to source breakdown voltage V(BR)G1SS ±8
Gate 2 to source breakdown voltage V(BR) G2SS ±8
Gate 1 cutoff current
IG1SS
â
Gate 2 cutoff current
IG2SS
â
Drain current
IDS(on)
0.5
Gate 1 to source cutoff voltage
VG1S(off)
0
Gate 2 to source cutoff voltage
VG2S(off)
0
Forward transfer admittance
|yfs|
16
Input capacitance
Output capacitance
Ciss
2.4
Coss
0.8
â
â
V ID = 200 µA , VG1S = â3 V,
VG2S = â3 V
â
â
V
IG1 = ±10 µA, VG2S = VDS = 0
â
â
V
IG2 = ±10 µA, VG1S = VDS = 0
â
±100
nA VG1S = ±6 V, VG2S = VDS = 0
â
±100
nA VG2S = ±6 V, VG1S = VDS = 0
â
10
mA VDS = 6 V, VG1S = 0.75 V,
VG2S = 3 V
â +1.0
V VDS = 10 V, VG2S = 3 V,
ID = 100 µA
â +1.0
V VDS = 10 V, VG1S = 3 V,
ID = 100 µA
20
â
mS VDS = 6 V, VG2S = 3 V,
ID = 10 mA, f = 1 kHz
2.9
3.4
pF VDS = 6 V, VG2S = 3 V,
1.0
1.4
pF ID = 10 mA, f = 1 MHz
Reverse transfer capacitance
Crss
â 0.023 0.04 pF
Power gain
Noise figure
PG
22
25
â
dB VDS = 6 V, VG2S = 3 V,
NF
â
1.0
1.8
dB ID = 10 mA, f = 200 MHz
Power gain
Noise figure
PG
12
15
â
dB VDS = 6 V, VG2S = 3 V,
NF
â
3.2
4.5
dB ID = 10 mA, f = 900 MHz
Noise figure
NF
â
2.8
3.5
dB VDS = 6 V, VG2S = 3 V,
ID = 10 mA, f = 60 MHz
Rev.3.00 Aug 10, 2005 page 2 of 8
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