NTC thermistors for temperature measurement Miniature sensors with bendable wires Series/Type: B57861S Date: March 2013 EPCOS AG 2015. 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 B57861S Miniature sensors with bendable wires S861 Applications Dimensional drawings Temperature measurement Length 50 mm 350 mm Features Short response time High measuring accuracy Tight B value tolerances available Epoxy resin encapsulation PTFE-insulated leads of silver-plated nickel wire, AWG 30 (50 mm) PTFE-insulated leads of silver-plated Cu wire (19 x 0.07 mm), AWG 28 (350 mm) UL approval (E69802) Options Alternative lead lengths on request Dimensions in mm Delivery mode Bulk General technical data Climatic category (IEC 60068-1) 55/155/56 Max. power (at 25 C) P 60 mW 25 Resistance tolerance R /R 1, 3, 5 % R R Rated temperature T 25 C R 1) Dissipation factor (in air) approx. 1.5 / 3.2 mW/K th 1) Thermal cooling time constant (in air) approx. 15 / 12 s c 1) Heat capacity C approx. 22.5 / 38.4 mJ/K th 1) For PTFE-insulated leads of silver-plated Cu wire (19 x 0.07 mm), AWG 28 (350 mm). Please read Cautions and warnings and Page 2 of 20 Important notes at the end of this document.