NTC thermistors for temperature measurement Probe assemblies Series/Type: B57227K 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 B57227K Probe assemblies K227 Applications Dimensional drawing Electric motors Transformers Features Coated thermistor disk with shrunk sleeve insulation PTFE-insulated wires, AWG 26 UL approval (E69802) Options Alternative resistance ratings, rated temperatures, resistance tolerances and wire lengths available on request. Delivery mode Dimensions in mm Bulk Approx. weight 5 g General technical data Climatic category (IEC 60068-1) 55/155/56 Max. power (at 25 C) P 200 mW 25 Resistance tolerance R /R 10 % R R Rated temperature T 100 C R Dissipation factor (in air) approx. 5 mW/K th Thermal cooling time constant (in air) approx. 30 s c Heat capacity C approx. 150 mJ/K th Insulation resistance (V = 100 V DC) R > 100 M ins Test voltage (t = 1 s) V 2.5 kV AC test Electrical specification and ordering codes R R No. of R/T B Ordering code 100 25 25/100 characteristic K 1.8 k 32762 2904 4300 3% B57227K0333A001 Please read Cautions and warnings and Page 2 of 9 Important notes at the end of this document.