3SK255
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
CHARACTERISTIC
Drain to Source Breakdown Voltage
Drain Current
SYMBOL
BVDSX
IDSX
MIN.
18
TYP.
MAX.
UNIT
V
TEST CONDITIONS
VG1S = VG2S = –2 V, ID = 10 µA
0.5
–1.0
0
7.0
+1.0
1.0
mA
V
VDS = 3.5 V, VG2S = 3 V, VG1S = 0.75 V
VDS = 3.5 V, VG2S = 3 V, ID = 10 µA
VDS = 3.5 V, VG1S = 3 V, ID = 10 µA
VDS = 0, VG2S = 0, VG1S = ±6 V
VDS = 0, VG1S = 0, VG2S = ±6 V
Gate1 to Source Cutoff Voltage
Gate2 to Source Cutoff Voltage
Gate1 Reverse Current
VG1S(off)
VG2S(off)
IG1SS
0
0.5
V
±20
±20
nA
nA
Gate2 Reverse Current
IG2SS
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 1 kHz
Forward Transfer Admittance
|yfs|
14
19
24
mS
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Power Gain
Ciss
Coss
Crss
Gps
NF
1.2
0.5
1.7
1.0
0.01
18
2.2
1.5
0.03
21
pF
pF
pF
dB
dB
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 1 MHz
15
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
f = 900 MHz
Noise Figure
1.8
3.0
IDSX Classification
Rank
Marking
IDSX (mA)
U1G
U1G
0.5 to 7.0
2
ETC [ ETC ]
