8 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com thick film chip resistors nrce series features ? extended value range (47m ~ 4.7g ) & precision tolerances ? eia standard sizing 0603, 0805 and 1206 ? metal glazed thick film on high purity alumina substrate .. (cermet) ... provides uniform quality and high reliability ? double glass overcoat assures strong mechanical .. contruction and ... long life, nickel barrier prevents leaching ? all sizes are available in tape/reel for automatic mounting ? both flow solder and reflow soldering are applicable power rating (watts) x resistance (ohms) note *1 - maximum allowable continuous working voltage for all resistors is the lower of the two values: ?maximum working voltage? as speci? ed above (or) 60 note *2 - maximum allowable overload voltage is two times the maximum working voltage (see note *1 above). please note, nic?s nrce series products are capable of meeting the following speci? cations: jis-c 5202, eiaj rc-2690, eia575, eia pdp-100, mil-r-5542d and ul94v-0. power derating curve: for operation above 70 o c, power rating must be derated according to the following chart: o c rate (%) 100 80 60 40 20 0 -20 20 100 125 70 specifications construction *note: lead free terminations also available. see part numbering system (page 2) for ordering instructions type eia size power rating at 70c max. *1 working voltage max. *2 overload voltage resistance tolerance code temperature coef? cient (ppm/c) resistance range ( ) resistance value operating temperature range nrce06 0603 1/16 (0.063) w 50v 100v 10%(k), 20%(m) 500 47m ~ 1g e-12 -55c ~ +125c nrce10 0805 1/10 (0.10) w 150v 300v 10%(k), 20%(m) 500 47m ~ 1g 1500 1.2g ~ 4.7g nrce12 1206 1/8 (0.125) w 200v 400v 10%(k), 20%(m) 500 47m ~ 1g 1500 1.2g ~ 4.7g part number system (e-24 values) nrce12 k 476 tr 10 f rohs compliant optional 10,000 piece reel tape & reel packaging resistance code: first 2 ? gures are sig ni? cant, 3rd digit is the multiplier, ?r? indicates a decimal point. tolerance code: m=20%, k=10% series and size *see part number system for details rohs compliant includes all homogeneous materials
9 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com standard e-12 values marking e-12 series: tolerances are 20% (m), 10% (k) 3 digit system - first 2 digits are signi? cant and 3rd digit is multiplier . examples: 686 =68meg ohms, 827 = 820meg ohms, 108 = 1gig ohms thick film chip resistors nrce series dimensions (mm) note: for details on construction see the nrc series data sheet type eia size l w h t t nrce06 0603 1.60 0.15 0.80 0.15 0.45 0.10 0.30 0.20 0.30 0.20 nrce10 0805 2.00 0.20 1.25 0.10 0.50 0.10 0.40 0.20 0.40 0.20 nrce12 1206 3.10 0.15 1.55 0.15 0.55 0.10 0.50 0.25 0.50 0.30 see nrc series for tape and reel speci cation e-12 value 10 12 15 18 22 27 33 39 47 56 68 82 91
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