Temperature Measurement B57869 Miniature Sensors S 869 Applications ø2,41 max. 6,5 max. ■ Heating and air conditioning systems ■ Industrial electronics ■ Automotive electronics 50±2 Features ■ Uni curve sensor ■ Fast response ■ High temperature accuracy ø0,25 between 0 °C and 70 °C ■ Excellent long-term stability ■ Epoxy resin encapsulation ■ Silver-plated nickel leads TNT0394-H Dimensions in mm Approx. weight 60 mg Delivery mode Bulk Climatic category (IEC 60068-1) Max. power at 25 °C Temperature tolerance (0 … 70 °C) Rated temperature Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity 55/155/56 60 ± 0,2, ± 0,5 25 approx. 1,5 approx. 12 approx. 18 P25 ∆T TN δth τc Cth mW K °C mW/K s mJ/K No. of R/T characteristic B 25/100 3k 8016 3988 5k 8016 3988 B57869S0502+140 10 k 8016 3988 B57869S0103+140 30 k 8018 3964 B57869S0303+140 R 25 Ω Ordering code K B57869S0302+140 +: F for ∆T = 0,2 K G for ∆T = 0,5 K For calculation of the R/T characteristics refer to our special tool “NTC R/T calculation”. You may download this tool either from Internet (http://www.epcos.com → Design Tools → NTC Thermistors → NTC R/T Calculation) or from the CD-ROM “Data Book Library” (Please order via Internet: Publications → General Publications). 96 05/02 Temperature Measurement B57869 Miniature Sensors S 869 Reliability data Test Standard Test conditions ∆R 25/R25 (typical) Remarks Storage in dry heat IEC 60068-2-2 Storage at upper category temperature T: 155 °C t: 1000 h <1% < 2 % 1) No visible damage Storage in damp heat, steady state IEC 60068-2-3 Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 56 days <1% No visible damage Rapid temperature cycling IEC 60068-2-14 Lower test temperature: – 55 °C < 1 % Upper test temperature: 155 °C Number of cycles: 100 No visible damage Temperature: 70 °C t: 10 000 h No visible damage Long-term stability (empirical value) 1) For B57869S0302-+140 97 05/02 <2% Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND ++49 89 636 09, FAX (0 89) 636-2 26 89 ( EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen. Published by EPCOS AG Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY ++49 89 636 09, FAX (0 89) 636-2 26 89 ( EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.