N-Channel JFETs J108 J109 J110 PRODUCT SUMMARY Part Num
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J/SST108 Series
N-Channel JFETs
J108 J109 J110
PRODUCT SUMMARY
Part Number
J/SST108 J/SST109 J/SST110
SST108 SST109 SST110
VGS(off)
-0.5
rDS(on)
ID(off) (pA)
(ns)
FEATURES
On-Resistance: J108 Fast Switching-tON: Leakage: Capacitance: Insertion Loss
BENEFITS
Error Voltage High-Speed Analog Circuit Performance Negligible "Off-Error" Excellent Accuracy Good Frequency Response Eliminates Additional Buffering
APPLICATIONS
Analog Switches Choppers Sample-and-Hold Normally "On" Switches Current Limiters
DESCRIPTION
J/SST108 series designed with high-performance analog switching applications mind. features on-resistance, good off-isolation, fast switching. SST108 series comprised surface-mount devices featuring lowest rDS(on) TO-236 (SOT-23) JFET device. TO-226AA (TO-92) plastic package provides low-cost option. Both series available tape-and-reel automated assembly (see Packaging Information). similar products packaged TO-206AC (TO-52), 2N5432/5433/5434 data sheet.
TO-226AA (TO-92)
TO-236 (SOT-23)
View SST108 (I8)* SST109 (I9)* SST110 (I0)* *Marking Code TO-236
View J108, J109, J110
Document Number: 70231 S-04028-Rev. 04-Jun-01
www.vishay.com
J/SST108 Series
ABSOLUTE MAXIMUM RATINGS
Gate-Drain, Gate-Source Voltage Gate Current Lead Temperature (1/16" from case sec.) 300_C Storage Temperature 150_C Operating Junction Temperature 150_C Power Dissipationa Notes Derate mW/_C above 25_C
SPECIFICATIONS 25_C UNLESS OTHERWISE NOTED)
Limits
J/SST108 J/SST109 J/SST110
Parameter Static
Gate-Source Breakdown Voltage Gate-Source Cutoff Voltage Saturation Drain Currentb Gate Reverse Current Gate Operating Current Drain Cutoff Current Drain-Source On-Resistance Gate-Source Forward Voltage
Symbol
Test Conditions
Typa
Unit
V(BR)GSS VGS(off) IDSS IGSS ID(off) rDS(on) VGS(F)
125_C 125_C
-0.5
-0.01 -0.01 0.02
Dynamic
Common-Source Forward Transconductance Common-Source Output Conductance Drain-Source On-Resistance Common-Source Input Capacitance Common-Source Reverse Transfer Capacitance Equivalent Input Noise Voltage rds(on) Ciss Series Series
Crss
Switching
Turn-On Time td(on) td(off) VGS(H) Switching Diagram
Turn-Off Time
Notes Typical values DESIGN ONLY, guaranteed subject production testing. Pulse test: v300 duty cycle v3%.
www.vishay.com
Document Number: 70231 S-04028-Rev. 04-Jun-01
J/SST108 Series
TYPICAL CHARACTERISTICS 25_C UNLESS OTHERWISE NOTED)
On-Resistance Drain Current Gate-Source Cutoff Voltage
rDS(on) Drain-Source On-Resistance 1000 IDSS rDS(on) Drain-Source On-Resistance
On-Resistance Drain Current
25_C
Saturation Drain Current (mA)
VGS(off)
IDSS
Drain Current (mA)
VGS(off) Gate-Source Cutoff Voltage
On-Resistance Temperature
rDS(on) Drain-Source On-Resistance changes 0.7%/_C Drain Current (mA) VGS(off)
Output Characteristics
VGS(off)
-0.2 -0.4 -0.6 -0.8
Temperature (_C)
Drain-Source Voltage
Turn-On Switching
approximately independent VGS(L) Switching Time (ns)
Turn-Off Switching
td(off) independent device VGS(off) VGS(L) VGS(off)
Switchng Time (ns)
td(on)
td(on)
VGS(off)
td(off)
VGS(off) Gate-Source Cutoff Voltage
Drain Current (mA)
Document Number: 70231 S-04028-Rev. 04-Jun-01
www.vishay.com
J/SST108 Series
TYPICAL CHARACTERISTICS 25_C UNLESS OTHERWISE NOTED)
Capacitance Gate-Source Voltage
Capacitance (pF) VGS(off) Forward Transconductance (mS)
Transconductance Drain Current
-55_C
25_C 125_C
Ciss Crss
Drain Current (mA)
Gate-Source Voltage
Forward Transconductance Output Conductance Gate-Source Cutoff Voltage
Noise Voltage Frequency
Output Conductance (µS)
Forward Transconductance (mS)
Noise Voltage
VGS(off) Gate-Source Cutoff Voltage Frequency (Hz)
Gate Leakage Current
125_C Gate Leakage
Common Gate Input Admittance
IGSS 125_C 25_C IGSS 25_C Drain-Gate Voltage Frequency (MHz) (mS)
25_C
www.vishay.com
Document Number: 70231 S-04028-Rev. 04-Jun-01
J/SST108 Series
TYPICAL CHARACTERISTICS 25_C UNLESS OTHERWISE NOTED)
Common Gate Forward Admittance
-gfg
Common Gate Reverse Admittance
25_C
(mS) (mS)
-grg -brg
25_C Frequency (MHz)
0.01
Frequency (MHz)
Common Gate Output Admittance
25_C
(mS)
Frequency (MHz)
SWITCHING TIME TEST CIRCUIT
J/SST108
VGS(L) ID(on) *Non-inductive
J/SST109
J/SST110
VGS(H) VGS(L)
INPUT PULSE
Rise Time Fall Time Pulse Width
SAMPLING SCOPE
Rise Time Input Resistance Input Capacitance Scope
Document Number: 70231 S-04028-Rev. 04-Jun-01
www.vishay.com
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