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. features ? direct ? replacement ? for ? siliconix ? 2N4391 ? low ? on ? resistance ? r ds ( on ) ? ? 30 ? low ? gate ? operating ? current ? i d ( off ) ? = ? 5pa ? fast ? switching ? t ( on ) ? = ? 15ns ? absolute ? maximum ? ratings 1 ? @ ? 25c ? (unless ? otherwise ? noted) ? maximum ? temperatures ? storage ? temperature ?\ 65c ? to ? +200c ? operating ? junction ? temperature ?\ 55c ? to ? +200c ? maximum ? power ? dissipation ? continuous ? power ? dissipation ?? 1800mw ? maximum ? current gate ? current ? (note ? 1) ? i g ? = ? 50ma ? maximum ? voltages ? gate ? to ? drain ? voltage ? / ?? gate ? to ? source ? voltage ?\ 40v ? 2N4391 ? 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 ?\ 4 ? \\? \ 10 ? v ds ? = ? 20v, ? i d ? = ? 1na ? v gs ( f ) ? gate ? to ? source ? forward ? voltage ? \\? 0.7 ? 1 ? ??????????????????? i g ? = ?? 1ma, ??? v ds ? = ? 0v ? v ds ( on ) ? drain ? to ? source ? on ? voltage ? \\? 0.25 ? \\? v gs ? = ? 0v, ??? i d ? = ? 3ma ? v ds ( on ) ? drain ? to ? source ? on ? voltage ? \\? 0.3 ? \\? ? v gs ? = ? 0v, ??? i d ? = ? 6ma ? v ds ( on ) ? drain ? to ? source ? on ? voltage ? \\? 0.35 ? 0.4 ?? v gs ? = ? 0v, ??? i d ? = ? 12ma ? i dss ? drain ? to ? source ? saturation ? current 2 ? 50 ? \\? 150 ? ma ? v ds ? = ? 20v, ? v gs ? = ? 0v ? i gss ? gate ? reverse ? current ? \\? \ 5 ?\ 100 ?? ? pa ? v gs ? = ?\ 20v, ?? v ds ? = ? 0v ? i g ? gate ? operating ? current ? \\? \ 5 ? \\? v dg ? = ? 15v, ?? i d ? = ? 10ma ? ? i d(off) ? ? ? drain ? cutoff ? current ? \\? 5 ? \\? v ds ? = ? 20v, ??? v gs ? = ?\ 5v ? \\? 5 ? \\? v ds ? = ? 20v, ??? v gs ? = ?\ 7v ? \\? 5 ? 100 ? v ds ? = ? 20v, ??? v gs ? = ?\ 12v ? r ds ( on ) ? drain ? to ? source ? on ? resistance ? \\? \\? 30 ?? v gs ? = ? 0v, ??? i d ? = ? 1ma ? 2N4391 ? dynamic ? electrical ? characteristics ? @ ? 25c ? (unless ? otherwise ? noted) ? symbol ? characteristic ? typ ? min ? max ? units ? conditions ? g fs ? forward ? transconductance ? 6 ? \\? \\? ms ? v ds ? = ? 20v, ?? i d ? = ? 1ma, ?? f ? = ? 1khz ? g os ? output ? conductance ? 25 ? \\? \\? s ? v ds ? = ? 20v, ?? i d ? = ? 1ma, ?? f ? = ? 1khz ? r ds(on) ? drain ? to ? source ? on ? resistance ? \\? \\? 30 ?? v gs ? = ? 0v, ?? i d ? = ? 0a, ?? f ? = ? 1khz ? c iss ? input ? capacitance ? 12 ? \\? 14 ?? ? pf ? v ds ? = ? 20v, ??? v gs ? = ? 0v, ?? f ? = ? 1mhz ? c rss ?? reverse ? transfer ? capacitance ? 3.3 ? \\? \\? v ds ? = ? 0v, ??? v gs ? = ?\ 5v, ?? f ? = ? 1mhz ? c rss ? 3.2 ? \\? \\? v ds ? = ? 0v, ??? v gs ? = ?\ 7v, ?? f ? = ? 1mhz ? c rss ? 2.8 ? \\? 3.5 ? v ds ? = ? 0v, ??? v gs ? = ?\ 12v, ?? f ? = ? 1mhz ? e n ? equivalent ? input ? noise ? voltage ? 3 ? \\? \\? nv/ hz ? v ds ? = ? 10v, ?? i d ? = ? 10ma, ?? f ? = ? 1khz ? 2N4391 ? switching ? electrical ? characteristics ? @ ? 25c ? (unless ? otherwise ? noted) ? symbol ? characteristic ? typ ? min ? max ? units ? conditions ? t d(on) ?? turn ? on ? time ? 2 ? \\? 15 ?? ? ns ? ? ? ? v dd ? = ? 10v, ??? v gs(h) ? = ? 0v ? t r ? 2 ? \\? 5 ? t d(off) ?? turn ? off ? time ? 6 ? \\? 20 ? t f ? 13 ? \\? 15 ? notes: ? 1. ? absolute ? ratings ? are ? limiting ? values ? above ? which ? serviceability ? may ? be ? impaired ? ????????????? 2. ? pulse ? test: ? pw ?? 300s, ? duty ? cycle ?? 3% ? 2N4391 ? switching ? circuit ? parameters ??????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????? ??????????? switching ? circuit ? v gs(l) ?\ 12v ?? r l ? 800 ? ? i d(on) ? 12ma ?? ??? ??? ??? ??? ??? 2N4391 single n-channel jfet switch linear s y stems re p laces discontinued siliconix 2N4391 the 2N4391 features many of the superior characteristics of jfets which make it a good choice for demanding analog switching applications and for specialized amplifier circuits. 2N4391 applications: ? analog switches ? choppers, sample-and-hold ? normally ?on? switches, current limiters 2N4391 benefits: ? low error voltage ? high-speed analog circuit performance ? negligible ?off-error, ? excellent accuracy ? good frequency response, low glitches ? eliminates additional bufferin g micross components europe tel: +44 1603 788967 email: chipcomponents@micross.com web: http://www.micross.com/distribution available packages: 2N4391 in to-18 2N4391 in bare die. contact micross for full package and die dimensions to-18 (bottom view)
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