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 Applications Dimensional drawing 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 Dimensions in mm temperatures, resistance tolerances, lead Approx. weight 0.8 g lengths and AWG 28 stranded wires available on request. Ordering code Wire length in mm Delivery mode Bulk B57703M0103A017 115 10 B57703M0103A018 200 10 B57703M0103A019 500 10 B57703M0103G040 45 3 B57703M0303G040 45 3 B57703M0502G040 45 3 General technical data Climatic category (IEC 60068-1) 55/125/56 Max. power (at 25 C) P 150 mW 25 Resistance tolerance R /R 2 % R R Rated temperature T 25 C R 1) Dissipation factor (in air) approx. 3 mW/K th 1) Thermal cooling time constant (in air) approx. 50 s c 1) Heat capacity C approx. 150 mJ/K th Test voltage (t = 1 s) V 1000 V AC test 1) Depends on mounting situation. Please read Cautions and warnings and Page 2 of 12 Important notes at the end of this document.