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 ? pn4119 ? 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 ? ?? ? pn4119 ? 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 ? pn4119 ? 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 pn4119 is an ultra-high inpu t impedance n-channel jfet pn4119 n-channel jfet linear s y stems re p laces discontinued siliconix pn4119 micross components europe tel: +44 1603 788967 email: chipcomponents@micross.com web: http://www.micross.com/distribution available packages: pn4119 in to-92 pn4119 in bare die. please contact micross for full package and die dimensions pn4119 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 pn4119 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. pn4119 applications: ? high-impedance transducer ? smoke detector input ? infrared detector amplifier ? precision test equipment to-92 (bottom view)
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