B57869S0502F140

NTC thermistors for temperature measurement Miniature sensors with bendable wires Series/Type: B57869S 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 B57869S Miniature sensors with bendable wires S869 Applications Temperature measurement Dimensional drawing Features Uni curve sensor Short response time High measuring accuracy between 0 °C and 70 °C Excellent long-term stability Epoxy encapsulation Silver-plated nickel leads UL approval (E69802) Options Alternative lead lengths on request Dimensions in mm Approx. weight 60 mg Delivery mode Bulk General technical data Climatic category Max. power Temperature tolerance Dissipation factor Thermal cooling time constant Heat capacity (IEC 60068-1) (at 25 °C) (0 ... 70 °C) (in air) (in air) P25 ∆T δth τc Cth 55/155/56 60 ±0.2, ±0.5 approx. 1.5 approx. 12 approx. 18 mW K mW/K s mJ/K Electrical specification and ordering codes R25 Ω 3k 5k 10 k 30 k No. of R/T characteristic 8016 8016 8016 8018 B25/100 K 3988 3988 3988 3964 + = Temperature tolerance F = ±0.2 K G = ±0.5 K Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 21 Ordering code B57869S0302+140 B57869S0502+140 B57869S0103+140 B57869S0303+140 Temperature measurement B57869S Miniature sensors with bendable wires S869 Note For calculation of the R/T characteristics refer to our special tool "NTC R/T calculation". You may download this tool from the Internet (www.epcos.com/tools → NTC Thermistors → NTC R/T Calculation). Reliability data Test Standard Storage in dry heat IEC 60068-2-2 Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) Test conditions Storage at upper category temperature T: 155 °C t: 1000 h IEC Temperature of air: 40 °C 60068-2-78 Relative humidity of air: 93% Duration: 56 days IEC Lower test temperature: 55 °C 60068-2-14 Upper test temperature: 155 °C Number of cycles: 100 Pmax: 60 mW t: 1000 h Temperature: 70 °C t: 10000 h Please read Cautions and warnings and Important notes at the end of this document. Page 3 of 21 ∆R25/R25 (typical) < 2% Remarks < 1% No visible damage < 1% No visible damage < 3% No visible damage No visible damage < 2% No visible damage Temperature measurement B57869S Miniature sensors with bendable wires S869 Reliability data according to AEC-Q200, Rev. D Test Standard High temperature exposure (storage) Biased humidity MIL-STD-202, method 108 MIL-STD-202, method 103 Operational life Temperature cycling Terminal strength (leaded) Test conditions Storage at T = +125 °C t = 1000 h T = 85 °C Relative humidity of air 85% t = 1000 h Test voltage max. 0.3 V DC on NTC1) MIL-STD-202, T = +125 °C method 108 t = 1000 h Test voltage max. 0.3 V DC on NTC1) JESD 22, Lower test temperature: 55 °C method JA-104 Upper test temperature: 125 °C 1000 cycles Dwell time: max. 30 min Transition time in air: max. 1 min MIL-STD-202, Test leaded device integrity method 211 Condition A: 2.27 N2) Mechanical shock MIL-STD-202, method 213, condition C Vibration MIL-STD-202, method 204 ∆R25/R25 (typical) < 2%