document number: 63082 revision 02-mar-05 www.vishay.com 82 military established reliability v ishay foil resistors through hole for technical questions in the americas, contact foilsupport1@vishay .com for technical questions in asia/japan/europe/africa/israel, contact foilsupport2@vishay .com ?israel: foilsales.israel@vishay .com ?france/switzerland/southern europe: foilsales.eusouth@vishay .com ?americas: foilsales.usa@vishay .com ?asia/japan: foilsales.asia@vishay .com ?uk/holland/scandinavia: foilsales.eunorth@vishay .com ?germany/czech republic/austria: foilsales.eucentral@vishay .com sales bulk metal foil technology RNC90Z to mil-prf-55182/9 features tcr breakthrough: 2ppm/ c - 55 c to + 175 c resistance range: 100 ? to 121k ? t olerance to: 0.01% ??level high reliability resistor qualified to mil-prf-55182/9 the rnc90y has been the benchmark for high precision established reliability discrete resistors since 1982. in 2000, vishay achieved a technological breakthrough with the introduction of the commercial ultra precision low tcr z201 resistor. this breakthrough has now allowed vishay to introduce an established reliability ??level very low tcr resistor. the RNC90Z tcr limit of 2ppm/ c over the extended range of - 55 c to + 175 c is a significant improvement over the existing rnc90y specification. the RNC90Z is a direct replacement for the rnc90y. - 55 25 125 175 + 300 + 200 - 200 - 300 t emperature ( c) specification 2ppm/ c figure 1 - comparison of rnc90y to RNC90Z temperature coefficient of resistance + 500 - 500 - 55 25 125 175 + 400 0 - 400 + 1000 - 1000 ? r/r(ppm) t emperature ( c) specification 5ppm/ c 10ppm/ c specification mil-prf-55182/9 mil-prf-55182/9 characteristic y limits characteristic z limits qualified rnc90y qualified RNC90Z t emperature coefficient of resistance 5ppm/ c 2ppm/ c (- 55 c to + 125 c) (- 55 c to + 125 c) 10ppm/ c 2ppm/ c (+ 125 c to + 175 c) (+ 125 c to + 175 c) resistance range 4r99 to 121k ? 100r to 121k ? failure rate level r level r load life stability , 0.3w @ + 125 c at 2000 hours 0.05% maximum ? r 0.05% maximum ? r at 10000 hours 0.5% maximum ? r 0.5% maximum ? r v oltage coefficient 0.0005%/v 0.0005%/v w orking voltage 300 volts maximum 300 volts maximum t able 1 - specifications comparison + 1000 - 1000 + 1000 + 1000 - 1000 - 1000 rnc90y RNC90Z 0 ? r/r(ppm) + 160 - 160 product may not be to scale
www.vishay.com 83 military established reliability v ishay foil resistors document number: 63082 revision 02-mar-05 through hole for technical questions in the americas, contact foilsupport1@vishay .com for technical questions in asia/japan/europe/africa/israel, contact foilsupport2@vishay .com ?israel: foilsales.israel@vishay .com ?france/switzerland/southern europe: foilsales.eusouth@vishay .com ?americas: foilsales.usa@vishay .com ?asia/japan: foilsales.asia@vishay .com ?uk/holland/scandinavia: foilsales.eunorth@vishay .com ?germany/czech republic/austria: foilsales.eucentral@vishay .com sales example: RNC90Z 100r01 b r model no. resistance value tolerance code life failure rate code t able 5 - ordering information RNC90Z series parts please specify vishay RNC90Z series resistors as follows: (see table 2, 3 and 4 for further details.) resistance letter multiplier range designator factor 100 ? to < 1k ? rx 1 1k ? to 121k ? kx 10 3 figure 3 - power derating curve RNC90Z military approved resistors bulk metal foil technology RNC90Z to mil-prf-55182/9 figure 2 - imprinting and dimensions 250 200 150 100 50 0 ?5 ?5 0 +25 +50 +75 +100 +125 +150 +175 ambient temperature c percent of rated power +70 c rated power ls jan designator (not present if non-qualified) vishay 18612 xxxx j st h l mfr. code w resistance v alue code RNC90Z 100r01 b r ll sw manufacturers identification number model number failure rate code (not present if non-qualified) resistance t olerance code front view side view lead material #22 awg (0.025 dia.) solder coated copper b factory 01 y ear 11 w eek rear view dimensions inches millimeters w: 0.105 0.010 2.67 0.25 l: 0.300 0.010 7.62 0.25 h: 0.326 0.010 8.28 0.25 st: 0.015 0.005 0.381 0.13 sw: 0.040 0.006 1.02 0.13 ll: 1.000 0.125 25.4 3.18 ls: 0.150 0.005 3.81 0.13 resistance value, in ohms, is expressed by a series of 6 characters, 5 of which represent significant digits while the 6th is a dual purpose letter that designates both the multiplier and the location of the decimal point. for military approved resistors with improved performance testing a unique 3xxxxx part number will be assigned. * 0.5% and 1.0% resistors available only in standard values per mil-prf-55182. model resistance standard resistance failure ambient average number range tolerance rate power rating weight ( ? ) tightest % loosest % @ + 70 c@ + 125 c in grams RNC90Z 100 ? to 121k ? 0.01 1.0 r 0.6 watts 0.3 watts 0.6 t able 2 - model selection t olerance symbol 0.01% t 0.05% a 0.1% b 0.5%* d 1.0%* f t able 3 - resistance tolerance lfr symbol 0.01% r 0.1% p 1.0% m t able 4 - life failure rate (lfr) cage #18612 "commercial and government entity" formerly "fscm". example: 100r01 = 100.01 ? 15k231 = 15,231 ?
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