B57703M0103A017

NTC thermistors for temperature measurement Probe assemblies Series/Type: B57703M Date: January 2018 © EPCOS AG 2018. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. EPCOS AG is a TDK Group Company. Temperature measurement B57703M Probe assemblies M703 Dimensional drawing Applications Surface temperature measurement, e.g. on housings and heat sinks Features High accuracy Easy mounting Good thermal coupling through metal tag Thermistor encapsulated in metal-tag case AWG 30, PTFE-insulated leads of silver-plated nickel wire or AWG 26 (stranded, 7 x AWG 34), PTFE-insulated leads of silver-plated copper wire UL approval (E69802) Options Alternative resistance ratings, rated temperatures, resistance tolerances, lead lengths and AWG 28 stranded wires available on request. Dimensions in mm Approx. weight 0.8 g Ordering code Delivery mode Bulk B57703M0103A017 B57703M0103A018 B57703M0103A019 B57703M0103G040 B57703M0303G040 B57703M0502G040 Wire length "l" in mm 115 ±10 200 ±10 500 ±10 45 ±3 45 ±3 45 ±3 General technical data Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Heat capacity Test voltage (IEC 60068-1) (at 25 °C) (in air) (in air) (t = 1 s) P25 ∆RR/RR TR δth1) τc1) Cth1) Vtest 1) Depends on mounting situation. Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 12 55/125/56 150 ±2 25 approx. 3 approx. 50 approx. 150 1000 mW % °C mW/K s mJ/K V AC Temperature measurement B57703M Probe assemblies M703 Electrical specification and ordering codes R25 Ω No. of R/T characteristic B25/100 K 10 k 10 k 10 k 5k 10 k 30 k 8016 8016 8016 8016 8016 8018 3988 ±1% 3988 ±1% 3988 ±1% 3988 ±1% 3988 ±1% 3964 ±1% Wire length "l" in mm 115 ±10 200 ±10 500 ±10 45 ±3 45 ±3 45 ±3 Wire Ordering code AWG 26 AWG 26 AWG 26 AWG 30 AWG 30 AWG 30 B57703M0103A017 B57703M0103A018 B57703M0103A019 B57703M0502G040 B57703M0103G040 B57703M0303G040 Note: AWG 26 (stranded, 7 x AWG 34), PTFE-insulated wire of silver-plated copper wire. AWG 30, PTFE-insulated wire of silver-plated nickel wire. Reliability data Test Standard Storage in dry heat IEC 60068-2-2 Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) Test conditions Storage at upper category temperature T: 125 °C t: 1000 h IEC Temperature of air: 40 °C 60068-2-78 Relative humidity of air: 93% Duration: 56 days IEC Lower test temperature: 55 °C 60068-2-14 Upper test temperature: 125 °C Number of cycles: 10 Pmax: 150 mW t: 1000 h Temperature: 70 °C t: 10000 h ∆R25/R25 (typical) < 1%1) Remarks < 1%1) No visible damage < 0.5%1) No visible damage < 1%1) No visible damage No visible damage < 2% No visible damage 1) Except: B57703M0103A017, B57703M0103A018, B57703M0103A019 ∆R25/R25 (typical) < 2% Note Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be ensured that no water enters the NTC thermistors (e.g. through plug terminals). Avoid dewing and condensation unless thermistor is specified for these conditions. Please read Cautions and warnings and Important notes at the end of this document. Page 3 of 12 Temperature measurement B57703M Probe assemblies M703 R/T characteristics R/T No. T (°C) 8016 8018 55.0 50.0 45.0 40.0 35.0 96.3 67.01 47.17 33.65 24.26 7.4 7.2 6.9 6.7 6.4 82.408 58.344 41.775 30.235 22.109 7.0 6.8 6.6 6.4 6.2 30.0 25.0 20.0 15.0 10.0 17.7 13.04 9.707 7.293 5.533 6.2 6.0 5.8 5.6 5.5 16.327 12.171 9.1548 6.9458 5.3135 6.0 5.8 5.6 5.4 5.3 5.0 0.0 5.0 10.0 15.0 4.232 3.265 2.539 1.99 1.571 5.3 5.1 5.0 4.8 4.7 4.0972 3.1834 2.4915 1.9637 1.5582 5.1 5.0 4.8 4.7 4.6 20.0 25.0 30.0 35.0 40.0 1.249 1.0000 0.8057 0.6531 0.5327 4.5 4.4 4.3 4.1 4.0 1.2444 1.0000 0.80843 0.65732 0.53743 4.4 4.3 4.2 4.1 4.0 45.0 50.0 55.0 60.0 65.0 0.4369 0.3603 0.2986 0.2488 0.2083 3.9 3.8 3.7 3.6 3.5 0.44175 0.36497 0.30303 0.2528 0.21187 3.9 3.8 3.7 3.6 3.5 70.0 75.0 80.0 85.0 90.0 0.1752 0.1481 0.1258 0.1072 0.09177 3.4 3.3 3.2 3.2 3.1 0.17836 0.15079 0.128 0.1091 0.093342 3.4 3.3 3.2 3.2 3.1 95.0 100.0 105.0 110.0 115.0 0.07885 0.068 0.05886 0.05112 0.04454 3.0 2.9 2.9 2.8 2.7 0.080158 0.069084 0.059747 0.051845 0.045134 3.0 2.9 2.9 2.8 2.7 120.0 125.0 130.0 135.0 140.0 0.03893 0.03417 0.03009 0.02654 0.02348 2.6 2.6 2.5 2.5 2.4 0.039416 0.034527 0.030333 0.026724 0.02361 2.7 2.6 2.6 2.5 2.5 145.0 150.0 155.0 0.02083 0.01853 0.01653 2.4 2.3 2.3 0.020914 0.018575 0.016538 2.4 2.3 2.3 B25/100 = 3988 K B25/100 = 3964 K RT/R25 α (%/K) RT/R25 α (%/K) Please read Cautions and warnings and Important notes at the end of this document. Page 4 of 12 Temperature measurement B57703M Probe assemblies Please read Cautions and warnings and Important notes at the end of this document. M703 Page 5 of 12 Temperature measurement B57703M Probe assemblies M703 Cautions and warnings General See "Important notes" on page 2. Storage Store thermistors only in original packaging. Do not open the package prior to processing. Storage conditions in original packaging: storage temperature 25 °C ... +45 °C, relative humidity ≤75% annual mean,