Philips Components Product specification NTC thermistors, naked chips FEATURES * Accurate over a wide temperature range 2322 640 0.... QUICK REFERENCE DATA PARAMETER VALUE UNIT Resistance value at 25 C (R25) 2.2 to 470 k Tolerance on R25-value 1; 2; 3; 5 % B25/85-value 3740 to 4570 K * Excellent price/performance ratio Tolerance on B25/85-value 2.5 to 0.75 % * For mechanical fixing in a housing or soldering directly to `non-standard' leads. Maximum dissipation 500 mW Response time <1.2 s Climatic category 40/125/56 Mass see Table 1 * High stability (tolerance on B-value between 2.5% and 0.75%) over a long life APPLICATION * Temperature sensing and control. Outline DESCRIPTION These thermistors have a negative temperature coefficient. The device consists of a metallized square chip. handbook, halfpage D T max D PACKAGING The naked chips are placed in sealed polythene bags and packed in cardboard boxes. The smallest packing quantity is 5000 units. MLC901 For dimensions see Table 1. Fig.1 Component outline. MECHANICAL DATA Marking None. Mounting By reflow or wave soldering in any position or mechanical fixing. The use of ultrasonic soldering is not recommended. 1995 Feb 03 2 Philips Components Product specification NTC thermistors, naked chips 2322 640 0.... ELECTRICAL CHARACTERISTICS Unless otherwise stated, measurements are in accordance with "IEC publication 539", see also Table 1. PARAMETER VALUE UNIT Resistance value at 25 C (R25) 2.2 to 470 k Standard selection tolerances 1; 2; 3; 5 % Climatic category 40/125/56 Maximum dissipation 500 mW at zero dissipation (continuously) -40 to +125 C for short periods 150 C at maximum dissipation 0 to +55 C Operating temperature range: Derating P (%) MLC342 100 0 40 0 55 85 Tamb ( o C) Fig.2 Power derating curve. 1995 Feb 03 3 125 Philips Components Product specification NTC thermistors, naked chips Table 1 2322 640 0.... R25-values, TC, mass, dimensions and catalogue numbers R25 () B25/85 TC (%/K) MASS (g) D (mm) Tmax. (mm) K TOL. (%) CATALOGUE NUMBER 2322 640(1) 2200 4.37 0.016 2.3 0.4 1.3 3977 0.75 0.222 2700 4.37 0.014 2.3 0.4 3977 0.75 0.272 3300 4.37 0.011 2.0 0.4 3977 0.75 0.332 4700 4.37 0.008 2.0 0.4 3977 0.75 0.472 5000 4.37 0.008 2.0 0.4 3977 0.75 0.502 6000 4.37 0.008 2.0 0.4 3977 0.75 0.602 6800 4.37 0.011 2.0 0.4 3977 0.75 0.682 8000 4.37 0.011 2.0 0.4 3977 0.75 0.802 10000 4.37 0.016 2.0 0.4 3977 0.75 0.103 12000 4.10 0.014 2.0 0.4 3740 2.0 0.123 15000 4.10 0.011 2.0 0.4 3740 2.0 0.153 22000 4.10 0.008 2.0 0.4 3740 2.0 0.223 33000 4.46 0.011 2.0 0.4 4090 1.5 0.333 47000 4.46 0.016 2.0 0.4 4090 1.5 0.473 68000 4.57 0.012 2.0 0.4 4190 1.5 0.683 100000 4.57 0.008 2.0 0.4 4190 1.5 0.104 150000 4.75 0.011 2.0 0.4 4370 2.5 0.154 220000 4.75 0.008 2.0 0.4 4370 2.5 0.224 330000 4.95 0.014 2.0 0.4 4570 1.5 0.334 470000 4.95 0.014 2.0 0.4 4570 1.5 0.474 Note 1. Replace dot in last 5 digits of catalogue 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%. 1995 Feb 03 4 Philips Components Product specification NTC thermistors, naked chips Table 2 Resistance values at intermediate temperatures Tamb (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 2322 640 0.... RT/R25 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 1995 Feb 03 R DUE TO B-TOLERANCE (%) 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 R25 (k) TC (%/K) 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 2322 640 .....; see Table 1, note 1 0.222 0.272 0.332 0.472 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 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 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 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 5 Philips Components Product specification NTC thermistors, naked chips Table 3 Resistance values at intermediate temperatures Tamb (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 2322 640 0.... RT/R25 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 1995 Feb 03 R DUE TO B-TOLERANCE (%) 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 R25 (k) TC (%/K) 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 2322 640 .....; see Table 1, note 1 0.502 0.602 0.682 0.802 0.103 166.1 120.0 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 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 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 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 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 6 Philips Components Product specification NTC thermistors, naked chips Table 4 Resistance values at intermediate temperatures Tamb (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 2322 640 0.... RT/R25 25.78 19.13 14.32 10.82 8.245 6.335 4.907 3.830 3.011 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 1995 Feb 03 R DUE TO B-TOLERANCE (%) 6.81 6.16 5.53 4.93 4.35 3.80 3.26 2.74 2.24 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 R25 (k) TC (%/K) 6.09 5.89 5.70 5.52 5.35 5.19 5.03 4.88 4.73 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 2322 640 .....; see Table 1, note 1 0.123 0.153 0.223 309.4 229.5 171.8 129.8 98.93 76.02 58.88 45.95 36.13 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 386.8 286.9 214.8 162.3 123.7 95.03 73.60 57.44 45.16 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 567.2 420.8 315.0 238.0 181.4 139.4 107.9 84.25 66.24 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 7 Philips Components Product specification NTC thermistors, naked chips Table 5 Resistance values at intermediate temperatures Tamb (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 2322 640 0.... RT/R25 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 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 1995 Feb 03 R DUE TO B-TOLERANCE (%) 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 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 R25 (k) TC (%/K) 2322 640 .....; see Table 1, note 1 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 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 8 0.333 0.473 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 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 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 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 Philips Components Product specification NTC thermistors, naked chips Table 6 2322 640 0.... Resistance values at intermediate temperatures Tamb (C) RT/R25 R DUE TO B-TOLERANCE (%) R25 (k) TC (%/K) 2322 640 .....; see Table 1, note 1 0.683 -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 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 1995 Feb 03 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 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 9 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 Philips Components Product specification NTC thermistors, naked chips Table 7 2322 640 0.... Resistance values at intermediate temperatures Tamb (C) RT/R25 R DUE TO B-TOLERANCE (%) R25 (k) TC (%/K) 2322 640 .....; see Table 1, note 1 0.154 -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 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 1995 Feb 03 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 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 10 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 Philips Components Product specification NTC thermistors, naked chips Table 8 2322 640 0.... Resistance values at intermediate temperatures Tamb (C) RT/R25 R DUE TO B-TOLERANCE (%) R25 (k) TC (%/K) 2322 640 .....; see Table 1, note 1 0.334 -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 48.62 34.19 24.28 17.42 12.61 9.211 6.788 5.045 3.781 2.855 2.173 1.666 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 1995 Feb 03 6.22 5.63 5.06 4.51 3.98 3.47 2.98 2.51 2.06 1.62 1.19 0.78 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 7.13 6.91 6.71 6.52 6.33 6.15 5.98 5.82 5.66 5.50 5.36 5.22 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 16044 11282 8013 5747 4161 3040 2240 1665 1248 942.3 717.1 549.8 424.5 330.0 258.2 203.4 161.1 128.4 103.0 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 11 0.474 22850 16068 11413 8185 5926 4329 3190 2371 1776 1342 1021 783.0 604.6 470.0 367.8 289.6 229.5 182.9 146.7 118.2 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