J/SST108 Series
Vishay Siliconix
TYPICAL CHARACTERISTICS (TA = 25_C UNLESS OTHERWISE NOTED)
Common Gate Forward Admittance
100
–gfg
Common Gate Reverse Admittance
10
TA = 25_C
VDG = 20 V
ID = 20 mA
10
bfg
1
0.1
10
TA = 25_C
VDG = 20 V
ID = 20 mA
20
50
100
f – Frequency (MHz)
1.0
–grg
–brg
0.1
0.01
10
20
50
100
f – Frequency (MHz)
Common Gate Output Admittance
100
TA = 25_C
VDG = 20 V
ID = 20 mA
10
bog
gog
1
0.1
10
20
50
100
f – Frequency (MHz)
SWITCHING TIME TEST CIRCUIT
J/SST108 J/SST109 J/SST110
VGS(L)
RL*
ID(on)
–12 V
150 W
10 mA
*Non-inductive
–7 V
150 W
10 mA
–5 V
150 W
10 mA
INPUT PULSE
SAMPLING SCOPE
Rise Time < 1 ns
Fall Time < 1 ns
Pulse Width 100 ns
PRF 1 MHz
Rise Time 0.4 ns
Input Resistance 10 MW
Input Capacitance 1.5 pF
VGS(H)
VGS(L)
VIN
Scope
VDD
RL
OUT
1 kΩ
51 Ω
51 Ω
Document Number: 70231
S-04028—Rev. E, 04-Jun-01
www.vishay.com
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