B58100

NTC thermistors for temperature measurement Probe assemblies, surface mounted sensors Series/Type: Date: B58100 February 2009 © EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Temperature measurement Probe assemblies B58100 F120 Applications Surface mounted sensor for measurement of boiler temperature Features Short response time due to glass-encapsulated NTC thermistor Fast and easy mounting Precise fixation screw attachment Options Alternative resistance ratings available on request Alternative fast-on plug terminals 2.8 x 0.5 or 4.8 x 0.8 mm available Delivery mode Bulk General technical data Climatic category Maximum power Resistance tolerance Rated temperature Thermal time constant Insulation resistance Dissipation factor Test voltage (IEC 60068-1) (at 25 °C) Dimensional drawing Dimensions in mm P25 ∆RR/RR TR (measured on surface) τa (V = 100 V DC, t = 1 s) Rins (in air) δth (t = 1 min) Vtest 5/100/21 18 ±3 60 10 approx. 2.1 500 mW % °C s MΩ mW/K V AC Electrical specification and ordering codes R60 Ω 2500 2500 R25 Ω 10151 10151 No. of B25/100 R/T characteristic K 8317 4005 ±1% 8317 4005 ±1% B0/100 K 3970 3970 Contact dimensions mm 2.8 x 0.5 4.8 x 0.8 Ordering code B58100A0461A000 B58100A0463A000 Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 9 Temperature measurement Probe assemblies B58100 F120 Reliability data Test Storage in dry heat Standard IEC 60068-2-2 Test conditions ∆R100/R100 (typical) < 3% Remarks No visible damage Storage in damp heat, steady state Rapid temperature cycling Thermal overload Storage at upper category temperature T: 100 °C t: 500 h IEC Temperature of air: 85 °C 60068-2-78 Relative humidity of air: 85% Duration: 21 days IEC Lower test temperature: 5 °C 60068-2-14 Upper test temperature: 85 °C Number of cycles: 1000 Short time overload: 125 °C t: 10 h < 5% No visible damage No visible damage No visible damage < 3% < 3% Please read Cautions and warnings and Important notes at the end of this document. Page 3 of 9 Temperature measurement Probe assemblies B58100 F120 R/T characteristics R/T No. 8317 T (°C) B25/100 = 4005 K T (°C) RT/R25 α (%/K) 55.0 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 99.49 69.168 48.679 34.662 24.959 18.166 13.358 9.9201 7.4369 5.6261 4.2935 7.4 7.2 6.9 6.7 6.5 6.3 6.1 5.9 5.7 5.5 5.3 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 B25/100 = 4005 K T (°C) RT/R25 α (%/K) 3.304 2.5632 2.0038 1.5783 1.252 1.0000 0.80403 0.6506 0.52967 0.43377 0.35726 5.2 5.0 4.9 4.7 4.6 4.4 4.3 4.2 4.1 3.9 3.8 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0 B25/100 = 4005 K RT/R25 α (%/K) 0.29585 0.24629 0.20608 0.17327 0.14638 0.12422 0.10588 0.090628 0.07789 0.067207 3.7 3.6 3.5 3.4 3.3 3.2 3.2 3.1 3.0 2.9 Please read Cautions and warnings and Important notes at the end of this document. Page 4 of 9 Temperature measurement Probe assemblies B58100 F120 Cautions and warnings General See "Important notes" at the end of this document. Storage Store thermistors only in original packaging. Do not open the package prior to storage. Storage conditions in original packaging: storage temperature 25 °C ... +45 °C, relative humidity ≤75% annual mean,