NTC thermistors for temperature measurement Probe assemblies Series/Type: B57020M2 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 B57020M2 Probe assemblies M2020 Applications Dimensional drawing Cabinet and evaporator in refrigerators and deep freezers Features Thermistor in molded plastic case with cable outlet Highly resistant to water/moisture PVC-insulated connecting cable (white) 2 Conductor cross section: 2 0.34 mm Construction based on DIN EN 60 730 -1/VDE protection class 2 UL approval (E252167) Options Alternative head dimensions, resistance ratings, rated temperatures, resistance tolerances and cable lengths available on request PVC-free connecting cable on request Color markings on cable available on request Single insulated versions with twin wires available on request Dimensions in mm Delivery mode Bulk General technical data Climatic category (IEC 60068-1) 40/080/56 Max. power (at 25 C) P 350 mW 25 Resistance tolerance R /R 2 % R R Rated temperature T 0 C R Dissipation factor (in air) approx. 10 mW/K th Thermal time constant (in water) approx. 35 s a Insulation resistance (V = 500 V DC) R > 1000 M ins Electrical specification and ordering codes l R R No. of R/T B Ordering code 25 0 25/100 mm characteristic K 5000 16330 2003 3980 1.5% 900 30 B57020M2502A017 5000 16330 2003 3980 1.5% 2000 30 B57020M2502A020 5000 16330 2003 3980 1.5% 2800 30 B57020M2502A001 Please read Cautions and warnings and Page 2 of 9 Important notes at the end of this document.