B57501K0682A002

NTC thermistors for temperature measurement Probe assemblies Series/Type: B57500K, B57501K 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 B57500K, B57501K Probe assemblies K500/K501 Applications Evaporator sensor for air conditioning systems Heating systems Features Copper case Twin cable (black) PVC-insulated wires with tinned ends, Tmax = 105 °C Options Alternative resistance ratings, rated temperatures, resistance tolerances, wire lengths and AWG 22, AWG 24 or AWG 26 available on request. Also available as type K800 with improved humidity resistance for temperature measurement in heat pumps. Delivery mode Bulk Dimensional drawings Dimensions in mm Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 12 Temperature measurement B57500K, B57501K Probe assemblies K500/K501 General technical data Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Thermal time constant Heat capacity Insulation resistance Test voltage (IEC 60068-1) (at 25 °C) (in air) (in air) (in water) (V = 100 V DC) (t = 1 s) P25 ∆RR/RR TR δth τc τa Cth Rins Vtest 30/100/56 60 ±3 25 approx. 7 approx. 130 approx. 8 approx. 900 > 100 1.5 mW % °C mW/K s s mJ/K MΩ kV AC Electrical specification and ordering codes Type AWG R25 K500 K501 26 24 Ω 10 k 6.8 k Please read Cautions and warnings and Important notes at the end of this document. No. of R/T B25/100 characteristic K 8016 8016 Page 3 of 12 3988 ±0.5% 3988 ±0.5% Ordering code B57500K0103A001 B57501K0682A002 Temperature measurement B57500K, B57501K Probe assemblies K500/K501 Reliability data Test Standard Storage in dry heat IEC 60068-2-2 Test conditions Storage at upper category temperature T: 100 °C t: 1000 h Storage in damp IEC Temperature of air: 40 °C heat, steady state 60068-2-78 Relative humidity of air: 93% Duration: 56 days Storage in coldness Storage at lower category temperature T: 30 °C t: 1000 h Rapid temperature IEC Lower test temperature: 0 °C cycling (in fluid) 60068-2-14 Upper test temperature: 100 °C Time to change from lower to upper temperature: