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3SK239A Datasheet, PDF (2/6 Pages) Hitachi Semiconductor – GaAs Dual Gate MES FET
3SK239A
Absolute Maximum Ratings (Ta = 25°C)
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
Unit
12
V
–6
V
–6
V
50
mA
100
mW
125
°C
–55 to +125
°C
Electrical Characteristics (Ta = 25°C)
Item
Symbol Min Typ Max
Drain to source leakage current IDSX
—
—
50
Gate 1 to source breakdown
voltage
V(BR)G1SS –6
Gate 2 to source breakdown
voltage
V(BR)G2SS –6
Gate 1 leakage current
I G1SS
—
Gate 2 leakage current
I G2SS
—
Drain current
I DSS
14
Gate 1 to source cutoff voltage VG1S(off) —
—
—
—
—
—
–5
—
–5
19
28
–1.2 –1.6
Gate 2 to source cutoff voltage VG2S(off) —
–1.2 –1.6
Forward transfer admittance |yfs|
20
31
—
Input capacitance
Ciss
—
0.58 1.0
Output capacitance
Coss —
Reverse transfer capacitance Crss
—
Power gain
PG
17
0.36 0.6
0.028 0.05
19
—
Noise figure
NF
Note: Marking is “XR–”.
—
1.3
2.0
Unit
µA
V
V
µA
µA
mA
V
V
mS
pF
pF
pF
dB
dB
Test conditions
VDS = 12 V, VG1S = –3 V,
VG2S = 0
IG1 = –10 µA, VG2S = VDS = 0
IG2 = –10 µA, VG1S = VDS = 0
VG1S = –5 V, VG2S = VDS = 0
VG2S = –5 V, VG1S = VDS = 0
VDS = 5 V, VG1S = VG2S = 0
VDS = 5 V, VG2S = 0,
ID = 100 µA
VDS = 5 V, VG1S = 0,
ID = 100 µA
VDS = 5 V, VG2S = 1 V,
ID = 10 mA, f = 1 kHz
VDS = 5 V, VG1S = VG2S = –3 V,
f = 1 MHz
VDS = 5 V, VG2S = 1 V,
ID = 10 mA, f = 900 MHz
2