Temperature sensor SMT Ring Terminal Probe ETP-RT- Temperature range -40 to +125C Available in a range of sizes Resistance values from 2.2 - 100 k Custom designs available Applications Higher temperature range available Commercial aircraft Power and utilities Industrial equipment Computers Transit Home appliances HVAC Calibration and instrumentation Ordering information for standard stock model: ETP - RT - 4 - 24 - 10K3A1B Stock model number: (A)A (L)L (T)T - Thermistor type - Probe cable length - Probe thread size 11.73 max. L = 240 mm +/- 5 mm L 5 mm +/- 1 mm 4 mm +/- 0.1 mm A = M4 A Hole Technical parameters for stock model Materials Unit Value Leads and insulation 28AWG Solid silver plated copper leads with white Kynar insulation Nominal resistance at +25C Ohms 10,000 Probe material Tin plated brass Resistance tolerance from 0..70C C +/- 0.2 Beta value 25/85 K 3976 Features Tolerance on Beta value 25/85 % +/- 0.5 Cost effective - off the shelf model Dissipation constant in still air mW/C 2 Solid tin plated lead wires Operating temperature C -40 to +125 Stock model - reduced lead times Epoxy thermal conductivity W/(m.K) 1.7 Improved potting epoxy has outstanding thermal conductivity for faster response times Ordering information for custom designs: Use the information below to build up a custom probe design. Probe thread size Order Code A = 5 6 7 8 x A Thread size in mm M5 M6 M7 M8 Optional thread size Probe cable length Order Code L = 5 10 15 20 23 25 30 35 40 45 x L Length in mm +/- 5 mm 50 100 150 200 230 250 300 350 400 450 Custom length Thermistor type Order Code T = All thermistor types available: Insert details as required TResistance v. temperature table for 10K3A1B Thermistor Temp. C Ohms Temp. C Ohms Temp. C Ohms Temp. C Ohms -40 336,052 3 28,054 46 4,200.0 89 944.7 -39 314,512 4 26,687 47 4,040.2 90 916.0 -38 294,487 5 25,395 48 3,887.4 91 888.3 -37 275,863 6 24,172 49 3,741.1 92 861.5 -36 258,533 7 23,016 50 3,601.1 93 835.7 -35 242,399 8 21,921 51 3,467.1 94 810.8 -34 227,373 9 20,884 52 3,338.7 95 786.8 -33 213,371 10 19,903 53 3,215.8 96 763.6 -32 200,318 11 18,973 54 3,098.0 97 741.2 -31 188,144 12 18,092 55 2,985.2 98 719.5 -30 176,786 13 17,257 56 2,877.0 99 698.6 -29 166,183 14 16,465 57 2,773.3 100 678.4 -28 156,280 15 15,714 58 2,673.9 101 658.9 -27 147,029 16 15,001 59 2,578.6 102 640.0 -26 138,382 17 14,324 60 2,487.1 103 621.8 -25 130,296 18 13,682 61 2,399.4 104 604.1 -24 122,732 19 13,073 62 2,315.2 105 587.1 -23 115,653 20 12,493 63 2,234.4 106 570.6 -22 109,025 21 11,943 64 2,156.8 107 554.6 -21 102,817 22 11,420 65 2,082.3 108 539.2 -20 97,000 23 10,923 66 2,010.8 109 524.3 -19 91,547 24 10,450 67 1,942.1 110 509.8 -18 86,433 25 10,000 68 1,876.0 111 495.8 -17 81,636 26 9,572.0 69 1,812.6 112 482.3 -16 77,134 27 9,164.7 70 1751.6 113 469.2 -15 72,907 28 8,777.0 71 1,693.0 114 456.5 -14 68,937 29 8,407.8 72 1,636.6 115 444.2 -13 65,206 30 8,056.1 73 1,582.4 116 432.3 -12 61,700 31 7,721.0 74 1,530.2 117 420.8 -11 58,403 32 7,401.7 75 1,480.1 118 409.6 -10 55,301 33 7,097.3 76 1,431.8 119 398.8 -9 52,383 34 6,807.1 77 1,385.3 120 388.3 -8 49,636 35 6,530.3 78 1,340.6 121 378.2 -7 47,049 36 6,266.3 79 1,297.5 122 368.3 -6 44,612 37 6,014.3 80 1,256.1 123 358.8 -5 42,315 38 5,773.8 81 1,216.1 124 349.5 -4 40,150 39 5,544.3 82 1,177.7 125 340.6 -3 38,109 40 5,325.0 83 1,140.6 -2 36,183 41 5,115.7 84 1,104.9 -1 34,366 42 4,915.6 85 1,070.4 0 32650 43 4,724.5 86 1,037.3 1 31,030 44 4,541.7 87 1,005.3 2 29,500 45 4,367.1 88 974.4 Variohm EuroSensor - Williams Barn - Tiffield Road -Towcester - Northants -NN12 6HP - UK sales variohm.com www.variohm.com +44 (0) 1327 351004 Subject to change without notice ETP-RT - English - 08/12