B57020M250

Temperature Measurement Probe Assemblies Applications I Refrigerators I Deep freezers B57020 M 2020 8 4,5 Features I I I I Thermistor in molded plastic case PVC-insulated connecting cable (white), T max = 105 °C Conductor cross section: 2 × 0,34 mm2 Construction based on DIN EN 60 730-1/VDE protection class 2 30 Options Alternative resistance ratings, rated temperatures, resistance tolerance and cable lengths available on request Delivery mode Bulk www.DataSheet4U.com Dimensions in mm TNT0350-Q Climatic category (IEC 60068-1) Max. power at 25 °C Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal time constant (in water) Insulation resistance R 25 R0 No. of R/T characteristic 2003 P25 ∆R N/R N TN ∆B/B δth τa Ris B25/100 K 3980 40/80/56 350 ±2% 0 ± 1,5 % approx. 10 approx. 35 > 1000 Ordering code mW °C mW/K s MΩ Ω 5000 Ω 16330 B57020M2502A017 120 05/02 900±30 Temperature Measurement Probe Assemblies Reliability data Test Storage in dry heat Standard IEC 60068-2-2 Test conditions Storage at upper category temperature T: 80 °C t: 1000 h Storage at lower category temperature T: – 40 °C t: 1000 h IEC 60068-2-3 Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 56 days Lower test temperature: – 40 °C Upper test temperature: 80 °C Time to change from lower to upper temperature: < 30 s; Number of cycles: 1000 Medium: air Temperature of water: 30 °C t: 4000 h Applied voltage with drop resistor 10 kΩ :10 Vdc swi...