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SwitchingMaker : Micross
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Product Information |
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J109 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix J109 This n-channel JFET is optimised for low noise high performance switching. The part is particularly suitable for use in low noise audio amplifiers. The TO-92 package is well suited for cost sensitive applications and mass production. (See Packaging Information). FEATURES DIRECT REPLACEMENT FOR SILICONIX J109 LOW ON RESISTANCE rDS(on) ≤ 12Ω FAST SWITCHING t(on) ≤ 4ns ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted) Maximum Temperatures Storage Temperature ‐55°C to +150°C J109 Benefits: Operating Junction Temperature ‐55°C to +150°C Low On Resistance Maximum Power Dissipation Low insertion loss Continuous Power Dissipation 350mW Low Noise MAXIMUM CURRENT J109 Applications: Gate Current (Note 1) 50mA Analog Switches MAXIMUM VOLTAGES Commutators Gate to Drain Voltage VGDS = ‐25V Choppers Gate to Source Voltage VGSS = ‐25V J109 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTIC MIN TYP. MAX UNITS CONDITIONS BVGSS Gate to Source Breakdown Voltage ‐25 ‐‐ ‐‐ IG = 1µA, VDS = 0V VGS(off) Gate to Source Cutoff Voltage ‐2 ‐‐ ‐6 VDS = 5V, ID = 1µA V VGS(F) Gate to Source Forward Voltage ‐‐ 0.7 ‐‐ IG = 1mA, VDS = 0V IDSS Drain to Source Saturation Current (Note 2) 40 ‐‐ ‐‐ mA VDS = 15V, VGS = 0V IGSS Gate Reverse Current ‐‐ ‐0.01 ‐3 VGS = ‐15V, VDS = 0V nA IG Gate Operating Current ‐‐ ‐0.01 ‐‐ VDG = 10V, ID = 10mA ID(off) Drain Cutoff Current ‐‐ 0.02 3 VDS = 5V, VGS = ‐10V rDS(on) Drain to Source On Resistance ‐‐ ‐‐ 12 Ω VGS = 0V, VDS ≤ 0.1V J109 DYNAMIC ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTIC MIN TYP. MAX UNITS CONDITIONS gfs Forward Transconductance ‐‐ 17 ‐‐ mS VDS = 5V, ID = 10mA , f = 1kHz gos Output Conductance ‐‐ 0.6 ‐‐ rDS(on) Drain to Source On Resistance ‐‐ ‐‐ 12 Ω VGS = 0V, ID = 0A, f = 1kHz Ciss Input Capacitance ‐‐ 60 85 VDS = 0V, VGS = 0V, f = 1MHz pF Crss Reverse Transfer Capacitance ‐‐ 11 15 VDS = 0V, VGS = ‐10V, f = 1MHz en Equivalent Noise Voltage ‐‐ 3.5 ‐‐ nV/√Hz VDS = 5V, ID = 10mA , f = 1kHz J109 SWITCHING CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTIC UNITS CONDITIONS www.DataSheet4U.com Click To Buy Turn On Time Turn On Rise Time Turn Off Time Turn Off Fall Time 3 1 4 18 ns VDD = 1.5V VGS(H) = 0V See Switching Circuit Available Packages: J109 in TO-92 J109 in bare die. Please contact Micross for full package and die dimensions TO-92 (Bottom View) td(on) tr td(off) tf Note 1 ‐ Absolute maximum ratings are limiting values above which J109 serviceability may be impaired. Note 2 – Pulse test: PW≤ 300 µs, Duty Cycle ≤ 3% J109 SWITCHING CIRCUIT PARAMETERS ‐7V RL 150Ω ID(on) 10mA ... |
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