2322 641 6.... Vishay BCcomponents NTC Thermistors, Molded Range FEATURES • Excellent for surface temperature measurement • Designed for harsh environments • Based on the “2322 640 0....” naked thermistor chips. APPLICATIONS • Temperature control. QUICK REFERENCE DATA PARAMETER VALUE Resistance value at 25 °C (R25) These thermistors have a negative temperature coefficient. The device consists of a molded chip with two tin-plated solid nickel leads. The body color is white and the device is non-flammable. 2.2 to 470 kΩ Tolerance on R25-value ±2%, ±3%, ±5%, ±10% B25/85-values 3740 to 4570 K Maximum dissipation 250 mW Response time ≈2.7 s The smallest packing quantity is 500 units. MARKING White coloured body. Operating temperature range: at zero dissipation PACKAGING −40 to +125 °C at maximum dissipation 0 to 55 °C Minimum dielectric withstanding voltage (RMS) between leads and lead insulation 350 V Minimum insulation resistance between leads and lead insulation at 100 V (DC) 100 MΩ Climatic category MOUNTING By soldering in any position or mechanical fixing. 40/125/56 ≈0.3 g Mass ELECTRICAL DATA AND ORDERING INFORMATION R25 (kΩ) TC (%/K) MASS (g) W (mm) H (mm) L (mm) P (mm) T (mm) d (mm) B25/85 K TOL. (%) CATALOG NUMBER 2322 641 .....(2) 2.2 -4.37 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 3977 ±0.75 6.222 2.7 -4.37 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 3977 ±0.75 6.272 12 -4.10 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 3740 ±2.0 6.123 15 -4.10 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 3740 ±2.0 6.153 33 -4.46 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 4090 ±1.5 6.333 100 -4.57 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 4190 ±1.5 6.104 470 -4.95 ≈0.3 4 ±0.2 4.4 ±0.2 21 ±1 2.54 ±0.3 2.5 ±0.2 0.6 ±0.06 4570 ±1.5 6.474 Note 1. R25-values, TC, mass, dimentions and catalog numbers. a) Other R25-values are available on request. 2. Replace dot in the code numbers by one of the following, depending 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% www.vishay.com 112 For technical questions contact: [email protected] Document Number: 29059 Revision: 10-Oct-03 2322 641 6.... Vishay BCcomponents NTC Thermistors, Molded Range DIMENSIONS in millimeters DERATING P (%) 100 0 40 0 55 85 Tamb ( o C) 125 Power derating curve. Fig.1 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 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 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 -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 Document Number: 29059 Revision: 10-Oct-03 RT (Ω) 2322 641 .....(1) 6.222 73062 52779 38545 28444 21199 15950 12110 9275 7162 5575 4372 3454 2747 2200 1773 1438 1173 961.8 793.2 657.5 547.8 458.6 385.7 325.8 276.4 235.5 201.4 172.9 149.0 128.9 111.8 97.37 85.05 74.52 For technical questions contact: [email protected] 6.272 89667 64774 47305 34908 26017 19575 14863 11383 8790 6842 5366 4239 3372 2700 2176 1764 1439 1180 973.4 807.0 672.3 562.8 473.3 399.9 339.2 289.0 247.2 212.2 182.9 158.2 137.2 119.5 104.4 91.46 www.vishay.com 113 2322 641 6.... Vishay BCcomponents NTC Thermistors, Molded Range 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) 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 0.8171 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 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 -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 RT (Ω) 2322 641 .....(1) 6.123 309403 229509 171844 129828 98935 76020 58880 45954 36130 28607 22805 18298 14774 12000 9804 8054 6652 5522 4607 3862 3252 2751 2337 1993 1707 1467 1266 1096 952.2 830.2 726.0 636.9 560.4 494.5 6.153 386754 286887 214805 162285 123669 95025 73600 57443 45163 35759 28506 22872 18467 15000 12255 10068 8315 6903 5759 4828 4066 3439 2921 2492 2134 1834 1583 1370 1190 1038 907.5 796.1 700.5 618.1 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (°°C) −40 −35 −30 −25 −20 −15 −10 −5 0 5 10 15 20 25 30 www.vishay.com 114 RT Ω) (Ω RT/R25 ∆R DUE TO B-TOLERANCE (%) TC (%/K) 2322 641 .....(1) 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 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 -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 6.104 3666321 2637604 1916588 1406120 1041190 777851 586100 445260 340944 263055 204447 160015 126087 100000 79808 For technical questions contact: [email protected] Document Number: 29059 Revision: 10-Oct-03 2322 641 6.... NTC Thermistors, Molded Range Toper (°°C) RT/R25 ∆R DUE TO B-TOLERANCE (%) 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 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 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 Vishay BCcomponents RT Ω) (Ω TC (%/K) 2322 641 .....(1) -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 6.104 64077 51746 42021 34308 28156 23223 19246 16025 13402 11258 9496 8042 6837 5835 4998 4296 3705 3206 2783 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (°°C) RT/R25 ∆R DUE TO B-TOLERANCE (%) −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 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 RT Ω) (Ω TC (%/K) 2322 641 .....(1) -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 22849885 16068156 11412861 8185271 5925780 4329092 3190465 2371302 1776920 1342065 1021372 783037 604583 470000 367792 289646 229509 182938 146652 118215 95801 78037 63884 52549 43427 30055 25163 21153 17852 15123 12859 10973 9396 9325 6.474 Document Number: 29059 Revision: 10-Oct-03 For technical questions contact: [email protected] www.vishay.com 115 2322 641 6.... Vishay BCcomponents NTC Thermistors, Molded Range RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (°°C) RT/R25 ∆R DUE TO B-TOLERANCE (%) −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 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 1.0000 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 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 .033 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 TC (%/K) -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 RT Ω) (Ω 2322 641 .....(1) 6.333 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 3.315 2.819 2.406 2.062 1.773 1.530 1.324 1.150 1.002 Note 1. Replace dot in the code numbers by one of the following, depending 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% www.vishay.com 116 For technical questions contact: [email protected] Document Number: 29059 Revision: 10-Oct-03