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| Temperature Measurement Leadless Disks Applications I Automotive electronics, e.g. B57350 K 350 - measurement of cooling water and oil temperature Features I Thermistor disk with lapped, coplanar front surfaces I Front surfaces silver-plated I For clamp contacting Termination D = 3,5 0,3 mm L = 1,3 0,4 mm Approx. weight 75 mg Options Alternative resistance ratings, rated temperatures and resistance tolerances available on request Delivery mode Bulk Climatic category (IEC 60068-1) Max. power at 25 C Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity P25 R N/R N TN B/B th1) c1) Cth1) 55/155/21 180 5% 100 1,5 % approx. 2,5 approx. 18 approx. 45 mW C mW/K s mJ/K R 100 R25 No. of R/T characteristic 1009 B25/100 K 3930 Ordering code 70 990,2 B57350K0102J000 1) Depends on mounting situation 68 05/02 Temperature Measurement Leadless Disks Reliability data Test Storage in dry heat Storage in damp heat, steady state Rapid temperature cycling Endurance Long-term stability (empirical value) Standard IEC 60068-2-2 IEC 60068-2-3 Test conditions Storage at upper category temperature T: 155 C t: 1000 h Temperature of air: 40 C Relative humidity of air: 93 % Duration: 21 days B57350 K 350 R 25/R25 (typ.) Remarks <3% No visible damage No visible damage No visible damage No visible damage No visible damage <3% IEC Lower test temperature: - 55 C < 3 % 60068-2-14 Upper test temperature: 155 C Number of cycles: 100 Pmax: 180 mW t: 1000 h Temperature: 125 C t: 10 000 h <3% <5% 69 05/02 Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 Munchen, DEUTSCHLAND ++49 89 636 09, FAX (0 89) 636-2 26 89 ( EPCOS AG 2002. Vervielfaltigung, Veroffentlichung, Verbreitung und Verwertung dieser Broschure und ihres Inhalts ohne ausdruckliche Genehmigung der EPCOS AG nicht gestattet. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen fur Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschure ersetzt die vorige Ausgabe. Fragen uber Technik, Preise und Liefermoglichkeiten richten Sie bitte an den Ihnen nachstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente konnen aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskunfte daruber bitten wir unter Angabe des betreffenden Typs ebenfalls uber die zustandige 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. ( |
Price & Availability of B57350
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