document number: 29048 for tec hnical questions, contact: nlr@vishay.com www.vishay.com revision: 18-may-11 1 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 ntc thermistors, radial leaded, accuracy line ntcle203e3 vishay bccomponents notes (1) response time in silicone oil ms200/50. this is the time needed for the sensor to reach 63.2 % of the total temperature difference when subjected to a temperature change from 25 c in air to 85 c in oil. (2) valid for all types with the exception of the r 25 values 12 k ? , 22 k ? and 470 k ? . features ? accurate over a wide temperature range (tolerance on b-value down to 0.5 %) ? good stability over a long life ? excellent price/performance ratio ? low heat conductivity through 0.4 mm ni-leads ? ul recognized, file e148885 ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications ? temperature measurement, sensing and control in industrial, consumer and telecom applications. for on-board sensing or accu rate remote sensing. description these thermistors are made of ntc ceramic material. the device consists of a chip with two tinned nickel leads. the parts are coated and color band marked. packaging the thermistors are packed in cardboard boxes; the smallest packing quantity is 500 units. design-in support for complete curve computation, visit: www.vishay.com/resistors-non-l inear/curve-computation-list/ marking the thermistors are marked with color bands on a grey epoxy base coating; see dimensions and electrical data and ordering information. mounting by soldering in any position. notes (3) replace * in 12nc by 3 for 5 %, 6 for 3 %, 4 for 2 %, 5 for 1 % (4) replace * in sap by j for 5 %, h for 3 %, g for 2 %, f for 1 % quick reference data parameter value unit resistance value at 25 c 2k to 470k ? tolerance on r 25 -value 1; 2; 3; 5 % b 25/85 -value 3528 to 4570 k tolerance on b 25/85 -value 0.5 to 2.0 % operating temperature range at: c zero dissipati on (continuously) - 40 to + 125 zero dissipation (for short periods) (2) ? 150 maximum power dissipation 0 to + 55 maximum power dissipation 100 mw dissipation factor ? 2.2 mw/k response time (1) ? 1.7 s thermal time constant ? 13 climatic category (lct/uct/days) 40/125/56 mass ?? 0.11 g electrical data and ordering information r 25 (k ? ) b 25/85 - value sap material and ordering number ntcle203e3...... (4) old 12nc code 2381 640 5.... (3) ul approved coding (see dimensions) (k) ( %) y/n i ii 2 3528 0.5 202*b0 *202 n orange orange 2.7 3977 0.75 272*b0 *272 y red red 4.7 3977 0.75 472*b0 *472 y green green 5 3977 0.75 502*b0 *502 y black white 10 3977 0.75 103*b0 *103 y blue blue 12 3740 2 123*b0 *123 y yellow yellow 22 3740 2 223*b0 *223 y white white 47 4090 1.5 473*b0 *473 n black black 68 4190 1.5 683*b0 *683 n grey grey 100 4190 1.5 104*b0 *104 n brown brown 470 4570 1.5 474*b0 *474 n violet violet
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29048 2 revision: 18-may-11 this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntcle203e3 vishay bccomponents ntc thermistors, radial leaded, accuracy line dimensions in millimeters derating and long term stability power derating curve note ? zero power is considered as measuring power max. 1 % of max. power long term stability of r 25 as a function of test duration at maximum temperature (150 c) curves valid for 2.2 k ? to 10 k ? . curve 1: maximum deviation. curve 2: average deviation. curve 3: minimum deviation long term stability of t as a function of test duration at maximum temperature (150 c) curves valid for 2.2 k ? to 10 k ? . curve 1: minimum deviation. curve 2: average deviation. 6.0 max. 40 1.5 3.6 max. 3 max. 2.54 2 1.0 0.4 0.04 i ii i ii 0 55 - 40 85 150 t amb (c) 100 0 p (%) 0.4 0.2 0 10 4 10 3 10 2 ? 25 (%) test duration (h) 3 2 1 - 0.2 r r 25 0.05 0 - 0.05 - 0.1 10 4 10 3 10 2 test duration (h) 3 2 1 ? t (k)
document number: 29048 for tec hnical questions, contact: nlr@vishay.com www.vishay.com revision: 18-may-11 3 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 ntcle203e3 ntc thermistors, radial leaded, accuracy line vishay bccomponents for complete curve computation, visit: www.vishay.com/resistors-non-l inear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 2 k ? t oper (c) part number ntcle203e3202*b0 tcr (%/k) ? r / r due to b tol. (%) r t ( ? ) - 40 46 684 - 6.06 1.65 - 35 34 672 - 5.84 1.49 - 30 26 035 - 5.62 1.34 - 25 19 754 - 5.42 1.19 - 20 15 138 - 5.23 1.05 - 15 11 709 - 5.05 0.92 - 10 9138 - 4.87 0.79 - 5 7193 - 4.71 0.66 0 5707 - 4.55 0.54 5 4563 - 4.40 0.43 10 3675 - 4.26 0.31 15 2981 - 4.12 0.21 20 2434 - 3.99 0.10 25 2000 - 3.87 0.00 30 1653 - 3.75 0.10 35 1375 - 3.63 0.19 40 1149 - 3.53 0.28 45 965.4 - 3.42 0.37 50 814.7 - 3.32 0.46 55 690.5 - 3.23 0.54 60 587.4 - 3.14 0.62 65 501.6 - 3.05 0.70 70 429.8 - 2.97 0.78 75 369.5 - 2.89 0.86 80 318.6 - 2.81 0.93 85 275.5 - 2.73 1.01 90 238.8 - 2.66 1.08 95 207.6 - 2.59 1.15 100 180.9 - 2.53 1.22 105 158.0 - 2.46 1.29 110 138.3 - 2.40 1.35 115 121.3 - 2.34 1.42 120 106.6 - 2.29 1.48 125 93.92 - 2.23 1.55 130 82.87 - 2.18 1.61 135 73.25 - 2.13 1.67 140 64.87 - 2.08 1.73 145 57.54 - 2.03 1.79 150 51.12 - 1.98 1.85
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29048 4 revision: 18-may-11 this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntcle203e3 vishay bccomponents ntc thermistors, radial leaded, accuracy line for complete curve computation, visit: www.vishay.com/resistors-non- linear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 2.7 k ? , 4.7 k ? , 5.0 k ? , and 10 k ? t oper (c) part number ntcle203e3272*b0 part number ntcle203e3472*b0 part number ntcle203e3502*b0 part number ntcle203e3103*b0 tcr (%/k) ? r / r due to b tol. (%) r t ( ? ) r t ( ? ) r t ( ? ) r t ( ? ) - 40 89 665 156 084 166 047 332 094 - 6.62 2.79 - 35 64 773 112 753 119 950 239 900 - 6.39 2.52 - 30 47 304 82 344 87 600 175 200 - 6.18 2.26 - 25 34 907 60 765 64 643 129 287 - 5.98 2.02 - 20 26 017 45 288 48 179 96 358 - 5.78 1.78 - 15 19 575 34 075 36 250 72 500 - 5.60 1.55 - 10 14 862 25 872 27 523 55 046 - 5.42 1.33 - 5 11 382 19 814 21 078 42 157 - 5.25 1.12 0 8790 15 300 16 277 32 554 - 5.09 0.92 5 6841 11 909 12 669 25 339 - 4.93 0.72 10 5365 9340 9936 19 872 - 4.79 0.53 15 4239 7378 7849 15 698 - 4.64 0.35 20 3372 5869 6244 12 488 - 4.51 0.17 25 2700 4700 5000 10 000 - 4.38 0.00 30 2176 3788 4030 8059 - 4.25 0.17 35 1764 3071 3267 6535 - 4.13 0.32 40 1439 2505 2665 5330 - 4.02 0.48 45 1180 2055 2186 4372 - 3.91 0.63 50 973.4 1694 1803 3605 - 3.80 0.77 55 806.9 1405 1494 2989 - 3.70 0.91 60 672.3 1170 1245 2490 - 3.60 1.05 65 562.8 979.7 1042 2084 - 3.51 1.18 70 473.3 823.9 876.5 1753 - 3.42 1.31 75 399.8 696.0 740.5 1481 - 3.33 1.44 80 339.2 590.5 628.2 1256 - 3.25 1.56 85 289.0 503.0 535.2 1070 - 3.17 1.68 90 247.2 430.2 457.7 915.4 - 3.09 1.79 95 212.2 369.4 393.0 786.0 - 3.01 1.90 100 182.9 318.3 338.6 677.3 - 2.94 2.01 105 158.2 275.3 292.9 585.7 - 2.87 2.12 110 137.2 238.9 254.2 508.3 - 2.80 2.22 115 119.5 208.0 221.3 442.6 - 2.74 2.32 120 104.4 181.7 193.3 386.6 - 2.67 2.42 125 91.46 159.2 169.4 338.7 - 2.61 2.51 130 80.38 139.9 148.8 297.7 - 2.55 2.61 135 70.84 123.3 131.2 262.4 - 2.50 2.70 140 62.62 109.0 116.0 231.9 - 2.44 2.78 145 55.49 96.60 102.8 205.5 - 2.39 2.87 150 49.31 85.84 91.32 182.6 - 2.34 2.96
document number: 29048 for tec hnical questions, contact: nlr@vishay.com www.vishay.com revision: 18-may-11 5 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 ntcle203e3 ntc thermistors, radial leaded, accuracy line vishay bccomponents for complete curve computation, visit: www.vishay.com/resistors-non-l inear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 12 k ? and 22 k ? t oper (c) part number ntcle203e3123*b0 part number ntcle203e3223*b0 tcr (%/k) ? r / r due to b tol. (%) r t (k ? ) r t (k ? ) - 40 309.4 567.2 - 6.07 7.00 - 35 229.5 420.8 - 5.88 6.32 - 30 171.8 315.0 - 5.70 5.68 - 25 129.8 238.0 - 5.52 5.06 - 20 98.93 181.4 - 5.35 4.46 - 15 76.02 139.4 - 5.19 3.89 - 10 58.88 107.9 - 5.03 3.34 - 5 45.95 84.25 - 4.88 2.81 0 36.13 66.24 - 4.74 2.30 5 28.61 52.45 - 4.60 1.80 10 22.80 41.81 - 4.47 1.33 15 18.30 33.55 - 4.34 0.87 20 14.77 27.08 - 4.22 0.43 25 12.00 22.00 - 4.10 0.00 30 9.804 17.97 - 3.99 0.41 35 8.054 14.77 - 3.88 0.81 40 6.652 12.20 - 3.77 1.20 45 5.522 10.12 - 3.67 1.58 50 4.607 8.447 - 3.58 1.94 55 3.862 7.081 - 3.48 2.29 60 3.252 5.963 - 3.39 2.64 65 2.751 5.044 - 3.30 2.97 70 2.337 4.284 - 3.22 3.29 75 1.993 3.654 - 3.14 3.60 80 1.707 3.129 - 3.06 3.91 85 1.467 2.690 - 2.99 4.20 90 1.266 2.321 - 2.92 4.49 95 1.096 2.010 - 2.85 4.77 100 0.9524 1.746 - 2.78 5.04 105 0.8302 1.522 - 2.71 5.31 110 0.7260 1.331 - 2.65 5.56 115 0.6369 1.168 - 2.59 5.82 120 0.5604 1.027 - 2.53 6.06 125 0.4945 0.9065 - 2.47 6.30
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29048 6 revision: 18-may-11 this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntcle203e3 vishay bccomponents ntc thermistors, radial leaded, accuracy line for complete curve computation, visit: www.vishay.com/resistors-non- linear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 47 k ? t oper (c) part number ntcle203e3473*b0 tcr (%/k) ? r / r due to b tol. (%) r t (k ? ) - 40 1589 - 6.54 5.74 - 35 1152 - 6.34 5.19 - 30 842.8 - 6.15 4.66 - 25 622.6 - 5.96 4.15 - 20 464.1 - 5.79 3.66 - 15 349.0 - 5.62 3.19 - 10 264.6 - 5.45 2.74 - 5 202.3 - 5.30 2.30 0 155.8 - 5.14 1.88 5 120.9 - 5.00 1.48 10 94.53 - 4.86 1.09 15 74.40 - 4.72 0.71 20 58.95 - 4.59 0.35 25 47.00 - 4.47 0.00 30 37.71 - 4.35 0.34 35 30.43 - 4.23 0.67 40 24.70 - 4.12 0.99 45 20.15 - 4.01 1.29 50 16.53 - 3.91 1.59 55 13.63 - 3.81 1.88 60 11.30 - 3.71 2.16 65 9.404 - 3.62 2.43 70 7.865 - 3.53 2.70 75 6.607 - 3.44 2.95 80 5.573 - 3.36 3.20 85 4.721 - 3.28 3.45 90 4.015 - 3.20 3.68 95 3.427 - 3.13 3.91 100 2.936 - 3.05 4.13 105 2.525 - 2.98 4.35 110 2.179 - 2.92 4.56 115 1.886 - 2.85 4.77 120 1.638 - 2.79 4.97 125 1.427 - 2.73 5.17 130 1.247 - 2.67 5.36 135 1.093 - 2.61 5.54 140 0.9608 - 2.55 5.73 145 0.8468 - 2.50 5.90 150 0.7483 - 2.45 6.08
document number: 29048 for tec hnical questions, contact: nlr@vishay.com www.vishay.com revision: 18-may-11 7 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 ntcle203e3 ntc thermistors, radial leaded, accuracy line vishay bccomponents for complete curve computation, visit: www.vishay.com/resistors-non-l inear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 68 k ? and 100 k ? t oper (c) part number ntcle203e3683*b0 part number ntcle203e3104*b0 tcr (%/k) ? r / r due to b tol. (%) r t (k ? ) r t (k ? ) - 40 2493 3666 - 6.69 5.88 - 35 1794 2638 - 6.49 5.31 - 30 1303 1917 - 6.29 4.77 - 25 956.2 1406 - 6.10 4.25 - 20 708.0 1041 - 5.92 3.75 - 15 528.9 777.8 - 5.75 3.27 - 10 398.5 586.1 - 5.58 2.80 - 5 302.8 445.3 - 5.42 2.36 0 231.8 340.9 - 5.26 1.93 5 178.9 263.1 - 5.11 1.52 10 139.0 204.4 - 4.97 1.12 15 108.8 160.0 - 4.83 0.73 20 85.74 126.1 - 4.70 0.36 25 68.00 100.0 - 4.57 0.00 30 54.27 79.81 - 4.45 0.35 35 43.57 64.08 - 4.33 0.68 40 35.19 51.75 - 4.22 1.01 45 28.57 42.02 - 4.11 1.33 50 23.33 34.31 - 4.00 1.63 55 19.15 28.16 - 3.90 1.93 60 15.79 23.22 - 3.80 2.21 65 13.09 19.25 - 3.71 2.49 70 10.90 16.02 - 3.62 2.76 75 9.114 13.40 - 3.53 3.03 80 7.655 11.26 - 3.45 3.28 85 6.457 9.496 - 3.36 3.53 90 5.469 8.042 - 3.28 3.77 95 4.649 6.837 - 3.21 4.01 100 3.968 5.835 - 3.13 4.24 105 3.399 4.998 - 3.06 4.46 110 2.921 4.296 - 2.99 4.68 115 2.519 3.705 - 2.93 4.89 120 2.180 3.206 - 2.86 5.09 125 1.892 2.783 - 2.80 5.29 130 1.648 2.423 - 2.74 5.49 135 1.439 2.116 - 2.68 5.68 140 1.261 1.854 - 2.62 5.87 145 1.107 1.628 - 2.57 6.05 150 0.9752 1.434 - 2.51 6.23
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29048 8 revision: 18-may-11 this document is subject to change without notice. the products described herein and this document ar e subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntcle203e3 vishay bccomponents ntc thermistors, radial leaded, accuracy line for complete curve computation, visit: www.vishay.com/resistors-non- linear/curve-computation-list/ resistance values at intermediate temperatures with r 25 at 470 k ? t oper (c) part number ntcle203e3474*b0 tcr (%/k) ? r / r due to b tol. (%) r t (k ? ) - 40 22 850 - 7.14 6.41 - 35 16 068 - 6.94 5.80 - 30 11 413 - 6.74 5.20 - 25 8185 - 6.55 4.64 - 20 5926 - 6.37 4.09 - 15 4329 - 6.19 3.57 - 10 3190 - 6.02 3.06 - 5 2371 - 5.85 2.57 0 1777 - 5.69 2.11 5 1342 - 5.54 1.65 10 1021 - 5.39 1.22 15 783.0 - 5.24 0.80 20 604.6 - 5.10 0.39 25 470.0 - 4.97 0.00 30 367.8 - 4.84 0.38 35 289.6 - 4.72 0.75 40 229.5 - 4.59 1.10 45 182.9 - 4.48 1.45 50 146.7 - 4.37 1.78 55 118.2 - 4.26 2.10 60 95.80 - 4.15 2.41 65 78.04 - 4.05 2.72 70 63.88 - 3.95 3.01 75 52.55 - 3.86 3.30 80 43.43 - 3.77 3.58 85 36.05 - 3.68 3.85 90 30.06 - 3.59 4.11 95 25.16 - 3.51 4.37 100 21.15 - 3.43 4.62 105 17.85 - 3.35 4.86 110 15.12 - 3.28 5.10 115 12.86 - 3.21 5.33 120 10.97 - 3.14 5.55 125 9.396 - 3.07 5.77
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