click to buy information furnished by linear integrated systems and micross components is believed to be accurate and reliable. however, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of linear integrated systems. micross components ltd, united kingdom, te l: +44 1603 788967, fax: +44 1603788920, email: chipcomponents@micross.com web: www.micross.com/d istribution.aspx features ? direct ? replacement ? for ? siliconix ? SST4119 ? low ? power ? i dss <90 ? a ? minimum ? circuit ? loading ? i gss <10 ? pa ? absolute ? maximum ? ratings ?? @ ? 25c ? (unless ? otherwise ? noted) ? maximum ? temperatures ? storage ? temperature ?\ 65c ? to ? +175c ? operating ? junction ? temperature ?\ 55c ? to ? +150c ? maximum ? power ? dissipation ? continuous ? power ? dissipation ?? 300mw ? maximum ? current gate ? current ? (note ? 1) ? 50ma ? maximum ? voltages ? gate ? to ? drain ? or ? gate ? to ? source ? (note ? 2) ?\ 40v ? ?? ? SST4119 ? electrical ? characteristics ? @ ? 25c ? (unless ? otherwise ? noted) symbol ? characteristic ? min ? typ. ? max ? units ? conditions ? bv gss ? gate ? to ? source ? breakdown ? voltage ?\ 40 ? \\? \\? v ? i g ? = ?\ 1a, ??? v ds ? = ? 0v ? v gs ( off ) ? gate ? to ? source ? cutoff ? voltage ?\ 2 ? \\? \ 6 ? v ? ?????????????????? v ds ? = ? 10v, ??? i d ? = ? 1na ? i dss ? gate ? to ? source ? saturation ? current ? 0.20 ? \\? 0.60 ? ma ? v ds ? = ? 10v, ??? v gs ? = ? 0v ? i gss ? gate ? leakage ? current ? \\? \\? \ 10 ? pa ? v gs ? = ?\ 20v, ?? v ds ? = ? 0v ? \\? \\? \ 25 ? v gs ? = ?\ 20v, ?? v ds ? = ? 0v, ?? 150c ? g fs ? forward ? transconductance(note ? 3) ? 100 ? \\? 330 ? mho ? v ds ? = ? 10v, ??? v gs ? = ? 0v, ??? f ? = ? 1khz ? ? g os ? output ? conductance ? \\? \\? 10 ? c iss ? input ? capacitance ? \\? \\? 3 ? pf ? v ds ? = ? 10v, ??? v gs ? = ? 0v, ??? f ? = ? 1mhz ? c rss ? reverse ? transfer ? capacitance ? \\? \\? 1.5 ? ?????? ? ?????? ? ? notes ? 1 ? . ? absolute ? maximum ? ratings ? are ? limiting ? values ? above ? which ? SST4119 ? serviceability ? may ? be ? impaired. ?? 2. ?? due ? to ? symmetrical ? geometry, ? these ? units ? may ? be ? operated ? with ? source ? and ? drain ? leads ? interchanged ? 3. ? this ? parameter ? is ? measured ? during ? a ? 2ms ? interval ? 100ms ? after ? power ? is ? applied. ?? (not ? a ? jedec ? condition.) ? the SST4119 is an ultra-high input impedance n-channel jfet SST4119 n-channel jfet linear s y stems re p laces discontinued siliconix SST4119 micross components europe tel: +44 1603 788967 email: chipcomponents@micross.com web: http://www.micross.com/distribution available packages: SST4119 in sot-23 SST4119 in bare die. please contact micross for full package and die dimensions SST4119 benefits: ? insignificant signal loss/error voltage with high-impedance source ? low power consumption (battery) ? maximum signal output, low noise ? hi g h sensitivit y to low-level si g nals the SST4119 provides ultra-high input impedance. the device is specified with a 10-pa limit and is ideal for use as a high-impedance sensit ive front-end amplifier. SST4119 applications: ? high-impedance transducer ? smoke detector input ? infrared detector amplifier ? precision test equipment sot-23 (top view)
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