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2322 640 5....
Vishay BCcomponents
NTC Thermistors, Accuracy Line
FEATURES
* Accurate over a wide temperature range (tolerance on B-value between 2.5% and 0.5%) * Good stability over a long life * Excellent price/performance ratio * Flexible leads * Low heat conductivity through 0.4 mm diameter Ni-leads
APPLICATIONS QUICK REFERENCE DATA
PARAMETER Resistance value at 25 C Tolerance on R25-value Tolerance on B25/85-value Maximum dissipation Dissipation factor Response time; note 1 Thermal time constant Operating temperature range at: zero dissipation (continuously) zero dissipation (for short maximum dissipation (100 mW) Climatic category Mass 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 2322 640 5.474. VALUE 2 to 470 k 5%; 3%; 2%; 1% 2.5 to 0.5% 100 mW 2.2 mW/K 1.7 s 13 s -40 to +125 C 150 C 0 to +55 C 40/125/56 0.11 g
* Temperature sensing and control. These thermistors have a negative temperature coefficient. The device consists of a chip with two tinned nickel leads and is colour coded.
PACKAGING
The thermistors are packed in cardboard boxes; the smallest packing quantity is 500 units.
MARKING
The thermistors are marked with coloured bands; see Dimentions and "Electrical data and ordering information"
MOUNTING
By soldering in any position.
ELECTRICAL DATA AND ORDERING INFORMATION
R25 (k) 2 2.7 4.7 5 10 12 22 47 68 100 470 Notes 1. Extended range available on request. 2. Thermistors have a 12-digit catalog number starting with 2322 640 5; the next digit indicates the tolerance and the last 3 digits indicate the resistance value. www.vishay.com 64 For technical questions contact: nlr.europe@vishay.com Document Number: 29048 Revision: 15-Jun-04 B25/85-VALUE 3528 K 0.5% 3977 K 0.75% 3977 K 0.75% 3977 K 0.75% 3977 K 0.75% 3740 K 2% 3740 K 2% 4090 K 1.5% 4190 K 1.5% 4190 K 1.5% 4570 K 1.5% CATALOG NUMBER 2322 640 5.... R25 5% 3202 3272 3472 3502 3103 3123 3223 3473 3683 3104 3474 R25 3% 6202 6272 6472 6502 6103 6123 6223 6473 6683 6104 6474 R25 2% 4202 4272 4472 4502 4103 4123 4223 4473 4683 4104 4474 R25 1% 5202 5272 5472 5502 5103 - - - - 5104 - CODING (see dimensions) I orange red green black blue yellow white black grey brown violet II orange red green white blue yellow white black grey brown violet
2322 640 5....
NTC Thermistors, Accuracy Line
Vishay BCcomponents
DIMENSIONS in millimeters
3.4 max. 3 max. 6.0 max
DERATING AND LONG TERM STABILITY
P (%) 100
I II
I II
2 1.0
2.54 40 1.5
0 40 0 55 85 Tamb ( o C) 125
0.04
Power derating curve.
LONG TERM STABILITY OF R25 AS A FUNCTION OF TEST DURATION AT MAXIMUM TEMPERATURE (150 C).
0.4 R 25 R25 (%) 0.2 2 1
Curves valid for 2.2 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).
0.05 T (K) 0 2
Curves valid for 2.2 to 10 k. Curve 1: minimum deviation. Curve 2: average deviation. Curve 3: maximum deviation.
1
0 3
0.05
3
0.2 2 10
103
test duration (h)
10 4
0.1 10 2
103
test duration (h)
10 4
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 2 K
Toper (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 RT/R25 23.3402 17.3347 13.0166 9.8764 7.5682 5.8541 4.5688 3.5961 2.8533 2.2815 1.8376 1.4904 1.2169 1.0000 0.8266 0.6873 0.5746 0.4827 R DUE TO B-TOLERANCE (%) 1.65 1.49 1.34 1.19 1.05 0.92 0.79 0.66 0.54 0.43 0.31 0.21 0.10 0.00 0.10 0.19 0.28 0.37 TC (%/K) -6.06 -5.84 -5.62 -5.42 -5.23 -5.05 -4.87 -4.71 -4.55 -4.40 -4.26 -4.12 -3.99 -3.87 -3.75 -3.63 -3.53 -3.42 R25 2322 640 .....; see note 1 5.202 46684 34672 26035 19754 15138 11709 9138 7193 5707 4563 3675 2981 2434 2000 1653 1375 1149 965.0 www.vishay.com 65
Document Number: 29048 Revision: 15-Jun-04
For technical questions contact: nlr.europe@vishay.com
2322 640 5....
Vishay BCcomponents
NTC Thermistors, Accuracy Line
Toper (C) 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150
RT/R25 0.4073 0.3452 0.2937 0.2508 0.2149 0.1847 0.1593 0.1377 0.1194 0.1038 0.09045 0.07900 0.06915 0.06066 0.05332 0.04696 0.04143 0.03662 0.03243 0.02877 0.02556
R DUE TO B-TOLERANCE (%) 0.46 0.54 0.62 0.70 0.78 0.85 0.92 0.99 1.06 1.13 1.19 1.25 1.31 1.37 1.43 1.49 1.54 1.60 1.65 1.70 1.75
TC (%/K) -3.32 -3.23 -3.14 -3.05 -2.97 -2.89 -2.81 -2.73 -2.66 -2.59 -2.53 -2.46 -2.40 -2.34 -2.29 -2.23 -2.18 -2.13 -2.08 -2.03 -2.33
R25 2322 640 .....; see note 1 5.202 814.7 690.5 587.5 501.7 429.8 369.5 318.6 275.5 238.9 207.6 180.9 158.0 138.3 121.3 106.6 93.9 82.9 73.3 64.9 57.5 51.1
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 2.7 K , 4.7 K , 5 K & 10 K
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 www.vishay.com 66 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 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 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 R25 2322 640 .....; see note 1 5.472 5.502 156.1 166.1 112.8 120.0 82.35 87.60 60.77 64.65 45.30 48.18 34.08 36.25 25.87 27.52 19.81 21.08 15.30 16.28 11.91 12.67 9.340 9.936 7.378 7.849 5.869 6.244 4.700 5.000 3.788 4.030 3.072 3.267 2.505 2.665 2.055 2.186 1.694 1.803 1.405 1.494 1.170 1.245 0.9797 1.042 0.8239 0.8765 0.6960 0.7405 0.5905 0.6282 0.5031 0.5352 0.4303 0.4577 0.3694 0.3930 0.3183 0.3387 0.2753 0.2929 0.2389 0.2542
5.272 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
5.103 332.1 240.0 175.2 129.3 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
For technical questions contact: nlr.europe@vishay.com
Document Number: 29048 Revision: 15-Jun-04
2322 640 5....
NTC Thermistors, Accuracy Line
Vishay BCcomponents
Toper (C) 115 120 125 130 135 140 145 150
RT/R25 0.04426 0.03866 0.03387 0.02977 0.02624 0.02319 0.02055 0.01826
R DUE TO B-TOLERANCE (%) 2.37 2.47 2.57 2.67 2.77 2.86 2.96 3.05
TC (%/K) 2.73 2.67 2.61 2.55 2.49 2.43 2.38 2.33
5.272 0.1195 0.1044 0.0915 0.0804 0.0709 0.0626 0.0555 0.0493
R25 2322 640 .....; see note 1 5.472 5.502 0.2080 0.2213 0.1817 0.1933 0.1592 0.1694 0.1399 0.1488 0.1233 0.1312 0.1090 0.1160 0.0966 0.1028 0.0858 0.0913
5.103 0.4426 0.3866 0.3387 0.2977 0.2624 0.2319 0.2055 0.1826
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 12 K AND 22 K
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 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 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 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 R25 2322 640 .....; see note 1 5.123 309.4 229.5 171.8 129.8 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 5.223 567.2 420.8 315.0 238.0 181.4 139.4 107.9 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
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 47 K
Tamb (C) -40 -35 -30 -25 RT/R25 33.81 24.50 17.93 13.25 R DUE TO B-TOLERANCE (%) 5.55 5.02 4.52 4.03 TC (%/K) 6.55 6.34 6.15 5.96 R25 2322 640 .....; see note 1 5.473 1589 1151 842.8 622.6 www.vishay.com 67
Document Number: 29048 Revision: 15-Jun-04
For technical questions contact: nlr.europe@vishay.com
2322 640 5....
Vishay BCcomponents
NTC Thermistors, Accuracy Line
Tamb (C) -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 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
R DUE TO B-TOLERANCE (%) 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
TC (%/K) 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
R25 2322 640 .....; see note 1 5.473 464.1 349.0 264.6 202.3 155.8 120.9 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
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 68 K AND 100 K
Tamb (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 www.vishay.com 68 RT/R25 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 R DUE TO B-TOLERANCE (%) 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 TC (%/K) 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 R25 2322 640 .....; see note 1 6.683 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 6.104 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 Document Number: 29048 Revision: 15-Jun-04
For technical questions contact: nlr.europe@vishay.com
2322 640 5....
NTC Thermistors, Accuracy Line
Vishay BCcomponents
Tamb (C) 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125
RT/R25 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
R DUE TO B-TOLERANCE (%) 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
TC (%/K) 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
R25 2322 640 .....; see note 1 6.683 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 6.104 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
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES WITH R25 AT 470 K
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 RT/R25 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 R DUE TO B-TOLERANCE (%) 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 TC (%/K) 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 R25 2322 640 .....; see note 1 5.474 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
Note 1. Replace dot in last 5 digits of catalog number by a number according to the following details and depending on tolerance on required R25-value: 4 for a tolerance of 2%; 6 for a tolerance of 3%; 3 for a tolerance of 5%; 2 for a tolerance of 10%. Document Number: 29048 Revision: 15-Jun-04 For technical questions contact: nlr.europe@vishay.com www.vishay.com 69

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