Temperature Measurement B57891 Leaded Disks S 891 Applications 4,5 max. 4,5 max. 3 max. Heating systems Automotive electronics Features Favorable price/ performance ratio Rugged design, epoxy resin encapsulation Leads: copper-clad Fe wire, tinned UL approved type (up to 125 C operating temperature) 2,5 38+2 o0,5 Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack TNT0391-S Dimensions in mm Approx. weight 0,2 g Climatic category (IEC 60068-1) Max. power at 25 C Resistance tolerance Rated temperature Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity 55/155/56 200 1 %, 3 %, 5 % 25 approx. 4,0 approx. 15 approx. 60 P25 R N/R N TN th c Cth mW C mW/K s mJ/K No. of R/T characteristic B 25/100 B/B K % 2,2 k 1008 3560 1,5 B57891S0222+008 5k 2003 3980 1,0 B57891S0502+008 10 k 4901 3950 1,0 B57891S0103+008 20 k 2904 4300 1,0 B57891S0203+008 100 k 4003 4450 1,0 B57891S0104+008 R 25 +: F for RN/RN = 1 % H for RN/RN = 3 % J for RN/RN = 5 % 82 05/02 Ordering code Temperature Measurement B57891 Leaded Disks S 891 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 <3% 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) 83 05/02 <3% 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.