2322 640 0..... Vishay BCcomponents NTC Thermistors, Naked Chips FEATURES * Accurate over a wide temperature range * High stability (tolerance on B-value between 2.5% and 0.75%) over a long life * Excellent price/performance ratio * For mechanical fixing in a housing or soldering directly to `non-standard' leads APPLICATIONS * Temperature sensing and control. QUICK REFERENCE DATA PARAMETER DESCRIPTION VALUE Resistance value at 25 C (R25) Tolerance on R25-value B25/85-value Tolerance on B25/85-value Climatic category Operating temperature range: at zero dissipation (continuously) for short periods at maximum dissipation Mass These thermistors have a negative temperature coefficient. The device consists of a silver metallized square chip. 2.2 to 470 k 1%; 2%; 3%; 5% 3740 to 4570 K 2.5% to 0.75% 40/125/56 PACKAGING The naked chips are placed in sealed polythene bags and packed in cardboard boxes. The smallest packaging quantity is 5000 units. -40 to +125 C 150 C 0 to +55 C see Electrical Data and Ordering Information table MOUNTING By reflow or wave soldering in any position or mechanical fixing. The use of ultrasonic soldering is not recommended. ELECTRICAL DATA AND ORDERING INFORMATION R25 () 2200 2700 3300 4700 5000 6000 6800 8000 10000 12000 15000 22000 33000 47000 68000 100000 150000 220000 330000 470000 Note TC (%/K) MASS (g) D (mm) 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.10 4.10 4.10 4.46 4.46 4.57 4.57 4.75 4.75 4.95 4.95 0.016 0.014 0.011 0.008 0.008 0.008 0.011 0.011 0.016 0.014 0.011 0.008 0.011 0.016 0.012 0.008 0.011 0.008 0.014 0.014 2.3 0.4 2.3 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 2.0 0.4 Tmax (mm) 1.3 B25/85 K 3977 3977 3977 3977 3977 3977 3977 3977 3977 3740 3740 3740 4090 4090 4190 4190 4370 4370 4570 4570 TOL. (%) 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 2.0 2.0 2.0 1.5 1.5 1.5 1.5 2.5 2.5 1.5 1.5 CATALOG NUMBER 2322 640 .....(1) 0.222 0.272 0.332 0.472 0.502 0.602 0.682 0.802 0.103 0.123 0.153 0.223 0.333 0.473 0.683 0.104 0.154 0.224 0.334 0.474 1. Replace dot in last 5 digits of catalog number, by a number according to the following list and depending on tolerance on required R25-value: a) 5 for a tolerance of 1%. b) 4 for a tolerance of 2%. c) 6 for a tolerance of 3%. d) 3 for a tolerance of 5%. 2. R25-values, TC, mass, dimensions and catalog numbers Document Number: 29058 Revision: 10-Oct-03 For technical questions contact: nlr.europe@vishay.com www.vishay.com 105 2322 640 0..... Vishay BCcomponents NTC Thermistors, Naked Chips DIMENSIONS in millimeters T max D D MLC901 Component outline. For dimensions see Electrical Data and Ordering Information Table. RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 33.21 23.99 17.52 12.93 9.636 7.250 5.505 4.216 3.255 2.534 1.987 1.570 1.249 1.000 0.8059 0.6535 0.5330 0.4372 0.3605 0.2989 0.2490 0.2084 0.1753 0.1481 0.1256 0.1070 0.09154 0.07860 0.06773 0.05858 0.05083 0.04426 0.03866 0.03387 0.02977 0.02624 0.02319 0.02055 0.01826 2.66 2.41 2.17 1.94 1.71 1.50 1.29 1.08 0.89 0.70 0.52 0.34 0.17 0.00 0.16 0.32 0.47 0.62 0.77 0.91 1.05 1.18 1.31 1.44 1.57 1.69 1.81 1.93 2.04 2.15 2.26 2.37 2.47 2.57 2.67 2.77 2.86 2.96 3.05 6.57 6.36 6.15 5.95 5.76 5.58 5.40 5.24 5.08 4.92 4.78 4.64 4.50 4.37 4.25 4.13 4.02 3.91 3.80 3.70 3.60 3.51 3.42 3.33 3.25 3.16 3.09 3.01 2.94 2.87 2.80 2.73 2.67 2.61 2.55 2.49 2.43 2.38 2.33 www.vishay.com 106 R25 (k) 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.222 73.06 52.78 38.55 28.44 21.20 15.95 12.11 9.275 7.162 5.575 4.372 3.454 2.747 2.200 1.773 1.438 1.173 0.9618 0.7932 0.6575 0.5478 0.4586 0.3857 0.3258 0.2764 0.2355 0.2014 0.1729 0.1490 0.1289 0.1118 0.0974 0.0851 0.0745 0.0655 0.0577 0.0510 0.0452 0.0402 0.272 89.67 64.77 47.31 34.91 26.02 19.58 14.86 11.38 8.790 6.842 5.366 4.239 3.372 2.700 2.176 1.764 1.439 1.180 0.973 0.807 0.672 0.562 0.473 0.399 0.339 0.289 0.247 0.212 0.182 0.158 0.137 0.1195 0.1044 0.0915 0.0804 0.0709 0.0626 0.0555 0.0493 For technical questions contact: nlr.europe@vishay.com 0.332 109.6 79.17 57.82 42.67 31.80 23.93 18.16 13.91 10.74 8.362 6.558 5.181 4.121 3.300 2.660 2.156 1.759 1.443 1.190 0.9863 0.8217 0.6879 0.5785 0.4887 0.4146 0.3532 0.3021 0.2594 0.2235 0.1933 0.1677 0.1461 0.1276 0.1118 0.0982 0.0866 0.0765 0.0678 0.0603 0.472 156.1 112.8 82.35 60.77 45.30 34.08 25.87 19.81 15.30 11.91 9.340 7.378 5.869 4.700 3.788 3.072 2.505 2.055 1.694 1.405 1.170 0.9797 0.8239 0.6960 0.5905 0.5031 0.4303 0.3694 0.3183 0.2753 0.2389 0.2080 0.1817 0.1592 0.1399 0.1233 0.1090 0.0966 0.0858 Document Number: 29058 Revision: 10-Oct-03 2322 640 0..... Vishay BCcomponents NTC Thermistors, Naked Chips RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 33.21 23.99 17.52 12.93 9.636 7.250 5.505 4.216 3.255 2.534 1.987 1.570 1.249 1.000 0.8059 0.6535 0.5330 0.4372 0.3605 0.2989 0.2490 0.2084 0.1753 0.1481 0.1256 0.1070 0.09154 0.07860 0.06773 0.05858 0.05083 0.04426 0.03866 0.03387 0.02977 0.02624 0.02319 0.02055 0.01826 2.66 2.41 2.17 1.94 1.71 1.50 1.29 1.08 0.89 0.70 0.52 0.34 0.17 0.00 0.16 0.32 0.47 0.62 0.77 0.91 1.05 1.18 1.31 1.44 1.57 1.69 1.81 1.93 2.04 2.15 2.26 2.37 2.47 2.57 2.67 2.77 2.86 2.96 3.05 6.57 6.36 6.15 5.95 5.76 5.58 5.40 5.24 5.08 4.92 4.78 4.64 4.50 4.37 4.25 4.13 4.02 3.91 3.80 3.70 3.60 3.51 3.42 3.33 3.25 3.16 3.09 3.01 2.94 2.87 2.80 2.73 2.67 2.61 2.55 2.49 2.43 2.38 2.33 R25 (k) 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.502 166.1 120.0 87.60 64.65 48.18 36.25 27.52 21.08 16.28 12.67 9.936 7.849 6.244 5.000 4.030 3.267 2.665 2.186 1.803 1.494 1.245 1.042 0.8765 0.7405 0.6282 0.5352 0.4577 0.3930 0.3387 0.2929 0.2542 0.2213 0.1933 0.1694 0.1488 0.1312 0.1160 0.1028 0.0913 0.602 199.3 143.9 105.1 77.57 57.82 43.50 33.03 25.30 19.53 15.20 11.92 9.419 7.493 6.000 4.836 3.921 3.198 2.623 2.163 1.793 1.494 1.251 1.052 0.8886 0.7538 0.6422 0.5493 0.4716 0.4064 0.3515 0.3050 0.2656 0.2320 0.2032 0.1786 0.1574 0.1391 0.1233 0.1096 0.682 225.8 163.1 119.1 87.92 65.53 49.30 37.43 28.67 22.14 17.23 13.51 10.67 8.492 6.800 5.480 4.444 3.624 2.972 2.451 2.032 1.693 1.417 1.192 1.007 0.8544 0.7278 0.6225 0.5345 0.4607 0.3983 0.3457 0.3010 0.2629 0.2303 0.2024 0.1784 0.1577 0.1398 0.1242 0.802 265.7 191.9 140.2 103.4 77.09 58.00 44.04 33.73 26.04 20.27 15.90 12.56 9.990 8.000 6.447 5.228 4.264 3.497 2.884 2.391 1.992 1.668 1.402 1.185 1.005 0.8563 0.7324 0.6288 0.5419 0.4686 0.4067 0.3541 0.3093 0.2710 0.2382 0.2099 0.1855 0.1644 0.1461 0.103 332.1 240.0 175.2 129.3 96.36 72.50 55.05 42.16 32.56 25.34 19.87 15.70 12.49 10.00 8.059 6.535 5.330 4.372 3.606 2.989 2.490 2.084 1.753 1.481 1.256 1.070 0.9154 0.7860 0.6773 0.5858 0.5083 0.4426 0.3866 0.3387 0.2977 0.2624 0.2319 0.2055 0.1826 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 25.78 19.13 14.32 10.82 8.245 6.335 4.907 3.830 3.011 6.81 6.16 5.53 4.93 4.35 3.80 3.26 2.74 2.24 6.09 5.89 5.70 5.52 5.35 5.19 5.03 4.88 4.73 Document Number: 29058 Revision: 10-Oct-03 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.123 309.4 229.5 171.8 129.8 98.93 76.02 58.88 45.95 36.13 For technical questions contact: nlr.europe@vishay.com 0.153 386.8 286.9 214.8 162.3 123.7 95.03 73.60 57.44 45.16 0.223 567.2 420.8 315.0 238.0 181.4 139.4 107.9 84.25 66.24 www.vishay.com 107 2322 640 0..... Vishay BCcomponents Toper (C) 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 NTC Thermistors, Naked Chips RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 2.384 1.900 1.525 1.231 1.000 0.8170 0.6712 0.5543 0.4602 0.3839 0.3219 0.2710 0.2293 0.1947 0.1661 0.1422 0.1223 0.1055 0.09135 0.07937 0.06919 0.06050 0.05307 0.04670 0.04121 1.76 1.30 0.85 0.42 0.00 0.41 0.80 1.19 1.57 1.94 2.30 2.65 2.99 3.33 3.66 3.98 4.29 4.60 4.90 5.19 5.48 5.76 6.04 6.31 6.57 4.60 4.46 4.34 4.21 4.10 3.98 3.88 3.77 3.67 3.57 3.48 3.39 3.30 3.22 3.14 3.06 2.99 2.92 2.85 2.78 2.71 2.65 2.59 2.53 2.47 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.123 28.60 22.80 18.30 14.77 12.00 9.804 8.054 6.652 5.522 4.607 3.862 3.252 2.751 2.337 1.993 1.707 1.467 1.266 1.096 0.9524 0.8302 0.7260 0.6369 0.5604 0.4945 0.153 35.76 28.50 22.87 18.47 15.00 12.26 10.07 8.315 6.903 5.759 4.828 4.067 3.439 2.921 2.492 2.134 1.834 1.583 1.370 1.190 1.038 0.9075 0.7961 0.7005 0.6181 0.223 52.45 41.81 33.55 27.09 22.00 17.97 14.77 12.20 10.12 8.447 7.081 5.963 5.044 4.284 3.654 3.129 2.690 2.321 2.010 1.746 1.522 1.331 1.168 1.027 0.9065 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 33.81 24.50 17.93 13.25 9.875 7.425 5.630 4.304 3.315 2.573 2.011 1.583 1.254 1.000 0.8024 0.6474 0.5255 0.4288 0.3518 0.2901 0.2403 0.2001 0.1674 0.1406 0.1186 5.55 5.02 4.52 4.03 3.56 3.10 2.67 2.24 1.84 1.44 1.07 0.70 0.34 0.00 0.33 0.66 0.98 1.28 1.59 1.88 2.17 2.45 2.72 2.99 3.25 6.55 6.34 6.15 5.96 5.78 5.61 5.45 5.29 5.14 4.99 4.85 4.72 4.59 4.46 4.34 4.23 4.12 4.01 3.91 3.81 3.71 3.62 3.53 3.44 3.36 www.vishay.com 108 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.333 1116 808.6 591.7 437.1 325.9 245.0 185.8 142.0 109.4 84.91 66.37 52.24 41.39 33.00 26.47 21.37 17.34 14.15 11.61 9.572 7.931 6.603 5.522 4.639 3.913 For technical questions contact: nlr.europe@vishay.com 0.473 1589 1151 842.8 622.6 464.1 349.0 264.6 202.3 155.8 120.9 94.53 74.40 58.95 47.00 37.71 30.43 24.70 20.15 16.53 13.63 11.30 9.404 7.865 6.607 5.573 Document Number: 29058 Revision: 10-Oct-03 2322 640 0..... NTC Thermistors, Naked Chips Toper (C) 85 90 95 100 105 110 115 120 125 130 135 140 145 150 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 0.1004 0.08542 0.07292 0.06248 0.05372 0.04635 0.04013 0.03485 0.03037 0.02654 0.02326 0.02044 0.01802 0.01592 3.51 3.76 4.00 4.24 4.47 4.70 4.93 5.15 5.36 5.57 5.78 5.98 6.18 6.37 3.28 3.20 3.13 3.06 2.98 2.92 2.85 2.79 2.73 2.67 2.61 2.55 2.50 2.44 Vishay BCcomponents R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.333 3.315 2.819 2.406 2.062 1.773 1.530 1.342 1.150 1.002 0.8757 0.7675 0.6746 0.5945 0.5254 0.473 4.721 4.015 3.427 2.936 2.525 2.179 1.886 1.638 1.427 1.247 1.093 0.9608 0.8468 0.7483 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 36.66 26.38 19.17 14.06 10.41 7.779 5.861 4.453 3.409 2.631 2.044 1.600 1.261 1.000 0.7981 0.6408 0.5175 0.4202 0.3431 0.2816 0.2322 0.1925 0.1602 0.1340 0.1126 0.09496 0.08042 0.06837 0.05835 0.04998 0.04296 0.03705 0.03206 0.02783 5.69 5.15 4.63 4.13 3.65 3.18 2.73 2.30 1.88 1.48 1.09 0.72 0.35 0.00 0.34 0.67 1.00 1.32 1.63 1.93 2.22 2.51 2.79 3.06 3.33 3.59 3.85 4.10 4.35 4.59 4.82 5.05 5.28 5.50 6.70 6.49 6.29 6.10 5.92 5.74 5.57 5.41 5.26 5.11 4.97 4.83 4.70 4.57 4.45 4.35 4.22 4.11 4.00 3.90 3.80 3.71 3.62 3.53 3.45 3.36 3.28 3.21 3.13 3.06 2.99 2.92 2.86 2.80 Document Number: 29058 Revision: 10-Oct-03 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.683 2493 1794 1303 956.2 708.0 528.9 398.5 302.8 231.8 178.9 139.0 108.8 85.74 68.00 54.27 43.57 35.19 28.57 23.33 19.15 15.79 13.09 10.90 9.114 7.655 6.457 5.469 4.649 3.968 3.399 2.921 2.519 2.180 1.892 For technical questions contact: nlr.europe@vishay.com 0.104 3666 2638 1917 1406 1041 777.9 586.1 445.3 340.9 263.1 204.4 160.0 126.1 100.0 79.81 64.08 51.74 42.02 34.31 28.16 23.22 19.25 16.03 13.40 11.26 9.496 8.042 6.837 5.835 4.998 4.296 3.705 3.206 2.783 www.vishay.com 109 2322 640 0..... Vishay BCcomponents NTC Thermistors, Naked Chips RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 41.02 29.29 21.12 15.37 11.28 8.358 6.242 4.700 3.567 2.727 2.101 1.629 1.272 1.000 0.7910 0.6295 0.5039 0.4056 0.3283 0.2672 0.2185 0.1796 0.1483 0.1231 0.1025 0.08582 0.07213 0.06086 0.05155 0.04383 0.03740 0.03203 0.02752 0.02372 10.10 9.12 8.18 7.28 6.42 5.59 4.80 4.03 3.30 2.59 1.90 1.25 0.61 0.00 0.59 1.18 1.74 2.30 2.84 3.37 3.89 4.40 4.90 5.39 5.86 6.33 6.79 7.24 7.68 8.11 8.53 8.94 9.35 9.75 6.89 6.68 6.48 6.29 6.11 5.93 5.76 5.60 5.44 5.29 5.15 5.01 4.88 4.75 4.62 4.51 4.39 4.28 4.17 4.07 3.97 3.87 3.78 3.69 3.60 3.52 3.44 3.36 3.28 3.21 3.14 3.07 3.00 2.94 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.154 6153 4394 3168 2305 1693 1254 936.4 705.0 535.0 409.1 315.1 244.4 190.8 150.0 118.6 94.42 75.58 60.85 49.25 40.08 32.78 26.94 22.25 18.46 15.38 12.87 10.82 9.129 7.732 6.574 5.610 4.804 4.128 3.559 0.224 9024 6444 4646 3381 2483 1839 1373 1034 784.7 600.0 462.1 358.4 279.9 220.0 174.0 138.5 110.9 89.24 72.24 58.78 48.08 39.51 32.63 27.07 22.56 18.88 15.87 13.39 11.34 9.642 8.228 7.046 6.054 5.219 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 www.vishay.com 110 RT/R25 R DUE TO B-TOLERANCE (%) TC (%/K) 48.62 34.19 24.28 17.42 12.61 9.211 6.788 5.045 3.781 2.855 2.173 1.666 6.22 5.63 5.06 4.51 3.98 3.47 2.98 2.51 2.06 1.62 1.19 0.78 7.13 6.91 6.71 6.52 6.33 6.15 5.98 5.82 5.66 5.50 5.36 5.22 R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.334 16044 11282 8013 5747 4161 3040 2240 1665 1248 942.3 717.1 549.8 For technical questions contact: nlr.europe@vishay.com 0.474 22850 16068 11413 8185 5926 4329 3190 2371 1776 1342 1021 783.0 Document Number: 29058 Revision: 10-Oct-03 2322 640 0..... NTC Thermistors, Naked Chips Toper (C) RT/R25 R DUE TO B-TOLERANCE (%) 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 1.286 1.000 0.7825 0.6163 0.4883 0.3892 0.3120 0.2515 0.2038 0.1660 0.1359 0.1118 0.09240 0.07670 0.06395 0.05354 0.04501 0.03798 0.03218 0.02736 0.02335 0.01999 0.38 0.00 0.37 0.74 1.09 1.44 1.77 2.10 2.43 2.74 3.05 3.35 3.64 3.93 4.21 4.48 4.75 5.01 5.27 5.52 5.77 6.01 Document Number: 29058 Revision: 10-Oct-03 TC (%/K) 5.08 4.95 4.82 4.70 4.59 4.47 4.36 4.26 4.15 4.06 3.96 3.87 3.78 3.69 3.61 3.53 3.45 3.37 3.30 3.23 3.16 3.09 Vishay BCcomponents R25 ) (k 2322 640 ..... (see Electrical Data and Ordering Information table, note 1) 0.334 424.5 330.0 258.2 203.4 161.1 128.4 103.0 83.00 67.26 54.79 44.86 36.90 30.49 25.31 21.10 17.67 14.85 12.53 10.70 9.029 7.704 6.597 For technical questions contact: nlr.europe@vishay.com 0.474 604.6 470.0 367.8 289.6 229.5 182.9 146.7 118.2 95.80 78.03 63.88 52.55 43.43 36.05 30.06 25.16 21.15 17.85 15.12 12.86 10.97 9.396 www.vishay.com 111