ntcsmelfe3 www.vishay.com vishay bccomponents revision: 24-aug-17 1 document number: 29119 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 smd melf sod80, glass encapsulated ntc thermistors features ? small diameter down to 1.7 mm ? quick response time down to 0.9 s ? resistant to corrosive atmospheres and harsh environments ? wide temperature range from -40 c to +150 c ? available on tape ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 applications temperature measurement, sensing and control: ? domestic appliances ? industrial process control description these thermistors consist of a micro chip clamped between dumet electrodes in a glass sealing with tin plated terminations. only available in tape and reel packaging. design-in support for complete curve computation, please visit: ? www.vishay.com/thermi stors/ntc-curve-list/ mounting by soldering. not intended for potting or automotive applications. quick reference data parameter value unit resistance value at 25 c 10k to 100k ? tolerance on r 25 -value 5 % b 25/85 -value 3977 k tolerance on b 25/85 -value 1.3 % operating temperature range -40 to +150 c maximum power dissipation ? at 55 c 100 mw dissipation factor 2.5 mw/k response time 0.9 s thermal time constant ?? 6 s weight ? 0.03 g electrical data and ordering information r 25 ( ? ) r 25 -tol. ( %) b 25/85 (k) b 25/85 -tol. ( %) sap material and ordering number 10 000 5 3 977 1.3 ntcsmelfe3103jt 20 000 5 3 977 1.3 NTCSMELFE3203JT 30 000 5 3 977 1.3 ntcsmelfe3303jt 100 000 5 3 977 1.3 ntcsmelfe3104jt dimensions in millimeters l 1 l 2 ?d 3.5 0.35 0.35 0.1 1.55 0.15 d l 1 l 2 l 2 ?d
ntcsmelfe3 www.vishay.com vishay bccomponents revision: 24-aug-17 2 document number: 29119 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 packaging blister tape on reel packed in an 8 mm wide blister tape on a 180 mm reel, according to iec 60286-3 stability characteristics stability of glass encapsulated ntcs in th ermal shock test (200 000 cycles -40 c / +200 c). tested on non-soldered parts. dimensions in millimeters parameter value a 0 2.1 + 0.3 / - 0.0 b 0 min. 3.8 k 0 2.1 + 0.3 / - 0.0 w 8 0.2 f 3.5 0.1 e 1.75 0.1 p 4.0 0.1 p 0 4.0 0.1 p 2 2.0 0.05 d 0 1.5 0.1 d 1 1.0 0.1 t max. 0.4 t 2 max. 0.5 k 0 t 2 a 0 p 0 w f e d 0 p 2 t d 1 b 0 p b 0 0 0.8 0.6 0.2 10 3 10 4 10 5 10 6 0.4 ? r r (%) - 0.4 0 - 0.1 - 0.3 - 0.2 ? t (k) ? t (at 25 c) ? t (at 85 c) ? r 85 /r 85 ? r 25 /r 25 cycles
ntcsmelfe3 www.vishay.com vishay bccomponents revision: 24-aug-17 3 document number: 29119 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 derating power derating curve note ? zero power is considered as measuring power max. 1 % of max. power for complete curve computation, visit: www.vishay.com/thermistors/ntc-curve-list/ . resistance values at intermediate temperatures for ntcsmelfe3 temperature (c) r t / r 25 r for 10 k ? r for 20 k ? r for 30 k ? r for 100 k ? r -tol. ( %) ? (%/k) t-tol. ( c) -40 33.21 332 094 664 187 996 281 3 320 936 10.08 -6.62 1.52 -35 23.99 239 900 479 799 719 699 2 398 996 9.59 -6.39 1.50 -30 17.52 175 200 350 399 525 599 1 751 996 9.12 -6.18 1.48 -25 12.93 129 287 258 574 387 861 1 292 869 8.67 -5.98 1.45 -20 9.636 96 358 192 716 289 074 963 582 8.24 -5.78 1.42 -15 7.250 72 500 145 001 217 501 725 004 7.82 -5.60 1.40 -10 5.505 55 046 110 092 165 138 550 459 7.42 -5.42 1.37 -5 4.216 42 157 84 314 126 471 421 570 7.04 -5.25 1.34 0 3.255 32 554 65 108 97 663 325 542 6.67 -5.09 1.31 5 2.534 25 339 50 677 76 016 253 386 6.31 -4.93 1.28 10 1.987 19 872 39 744 59 617 198 722 5.96 -4.79 1.25 15 1.570 15 698 31 397 47 095 156 985 5.63 -4.64 1.21 20 1.249 12 488 24 975 37 463 124 877 5.31 -4.51 1.18 25 1.000 10 000 20 000 30 000 100 000 5.00 -4.38 1.14 30 0.8059 8059 16118 24 177 80 591 5.30 -4.25 1.25 35 0.6535 6535 13069 19 604 65 347 5.59 -4.13 1.35 40 0.5330 5330 10660 15 990 53 299 5.87 -4.02 1.46 45 0.4372 4372 8743 13 115 43 717 6.14 -3.91 1.57 50 0.3605 3605 7211 10 816 36 053 6.41 -3.80 1.69 55 0.2989 2989 5977 8966 29887 6.66 -3.70 1.80 60 0.2490 2490 4980 7470 24900 6.91 -3.60 1.92 65 0.2084 2084 4169 6253 20844 7.15 -3.51 2.04 70 0.1753 1753 3506 5259 17530 7.39 -3.42 2.16 75 0.1481 1481 2962 4443 14809 7.61 -3.33 2.29 80 0.1256 1256 2513 3769 12564 7.84 -3.25 2.41 85 0.1070 1070 2141 3211 10703 8.05 -3.17 2.54 90 0.09154 915.4 1831 2746 9154 8.26 -3.09 2.67 95 0.07860 786.0 1572 2358 7860 8.46 -3.01 2.81 100 0.06773 677.3 1355 2032 6773 8.66 -2.94 2.95 105 0.05857 585.7 1171 1757 5857 8.85 -2.87 3.08 110 0.05083 508.3 1017 1525 5083 9.04 -2.80 3.23 115 0.04426 442.6 885.2 1328 4426 9.22 -2.74 3.37 120 0.03866 386.6 773.2 1160 3866 9.40 -2.67 3.52 125 0.03387 338.7 677.5 1016 3387 9.57 -2.61 3.66 130 0.02977 297.7 595.4 893.1 2977 9.74 -2.55 3.81 135 0.02624 262.4 524.8 787.2 2624 9.91 -2.50 3.97 140 0.02319 231.9 463.8 695.7 2319 10.07 -2.44 4.12 145 0.02055 205.5 411.1 616.6 2055 10.23 -2.39 4.28 150 0.01826 182.6 365.3 547.9 1826 10.38 -2.34 4.44 055 -40 85 t amb (c) 150 100 0 p (%)
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