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| 2322 645 10/20.... Vishay BCcomponents NTC Thermistors, Long Lead Sensors FEATURES * Accuracy of 0.5 C between 0 C and 50 C * Small diameter * High stability over a long life * Long and flexible leads for special mounting or assembly requirements QUICK REFERENCE DATA PARAMETER Resistance value at: 0 C 50 C B25/85-value T ensured between 0 C and 50 C Temperature coefficient Maximum dissipation Minimum dielectric withstanding voltage (RMS) between leads and coating Operating temperature range Climatic category Mass see Resistance Values Table see Resistance Values Table 3977 K 0.5 C see Resistance Values Table 100 mW 500 V -40 to +125 C 40/125/56 0.2 g VALUE APPLICATIONS * Temperature sensing and control These thermistors have a negative temperature coefficient. The device consists of a chip with two insulated or non-insulated nickel leads. PACKAGING The thermistors are packed in cardboard boxes; the smallest packing quantity is 1000 units. MARKING The body is coloured with ochre lacquer and not marked. MOUNTING By soldering in any position. ELECTRICAL DATA AND ORDERING INFORMATION R25-VALUE (k) 3 5 10 Note 1. Replace dot in last 5 digits of catalog number by 1 for non-insulated or 2 for insulated leads. B25/85-VALUE (K) 3977 3977 3977 CATALOG NUMBER 2322 645 .....(1) .0302 .0502 .0103 DIMENSIONS in millimeters Component outline for 2322 645 10... series. 2.4 max 2.4 max Component outline for 2322 645 20... series. 2.4 max 2.4 max 8 max 8 max 38 2 0.3 0.03 38 2 0.58 max 61 0.25 0.025 Document Number: 29051 Revision: 10-Oct-03 For technical questions contact: nlr.europe@vishay.com www.vishay.com 97 2322 645 10/20.... Vishay BCcomponents DERATING P (%) 100 NTC Thermistors, Long Lead Sensors Power derating curve. 0 40 25 0 55 85 Tamb ( o C) 125 RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES Toper (C) T (K) TC (%/K) .0302 -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 Note 1. Replace dot in last 5 digits of catalog number by 1 for non-insulated or 2 for insulated leads. 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 0.68 0.66 0.64 0.62 0.59 0.57 0.55 0.52 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.55 0.61 0.66 0.72 0.77 0.83 0.89 0.95 1.02 1.08 1.14 1.21 1.27 1.34 1.41 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 99.63 71.97 52.56 38.79 28.91 21.75 16.51 12.65 9.766 7.602 5.962 4.710 3.746 3.000 2.418 1.960 1.599 1.312 1.082 0.8966 0.7470 0.6253 0.5259 0.4443 0.3769 0.3211 0.2746 0.2358 0.2032 0.1757 0.1525 0.1328 0.1160 0.1016 R25 (k) 2322 645 .....; see note 1 .0502 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 .0103 332.1 239.9 175.2 129.3 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 RT/R25 www.vishay.com 98 For technical questions contact: nlr.europe@vishay.com Document Number: 29051 Revision: 10-Oct-03 |
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