Inrush Current Limiters B57235 S 235 Applications o9,5 max. 6 max. 14 max. Switch-mode power supplies Features Useable in series connections up to 265 Vrms Coated thermistor disk Kinked leads of tinned copper wire Wide resistance range Small space requirement Cost-effective UL approval (E69802) o0,6 36 _ 1 5 TNT0411-B Dimensions in mm Approx. weight 0,8 g Options Resistance tolerance < 20 % available on request Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack 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 55/170/56 1,8 20 % 25 3% approx. 9 approx. 60 approx. 540 Pmax R N/R N TN B/B th c Cth CT1) CT1) Parameters for 230 V 110 V R(I) 1) F F k n W C mW/K s mJ/K No. of Imax (0 ... 65 C) R/T charA acteristic B25/100 5,0 4,2 1202 2800 200 800 0,710 - 1,30 B57235S0509M000 6,0 4,0 1202 2800 200 800 0,757 - 1,30 B57235S0609M000 R 25 K Ordering code 8,0 3,5 1203 2900 200 800 0,814 - 1,32 B57235S0809M000 10,0 3,0 1203 2900 200 800 0,879 - 1,32 B57235S0100M000 1) For details on the capacitance CT as well as on the parameters k and n refer to "Application Notes", pages 40 - 42. 130 05/02 Inrush Current Limiters B57235 S 235 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: 170 C t: 1000 h < 10 % No visible damage Storage in damp heat, steady state IEC 60068-2-3 Temperature of air: 40 C Relative humidity of air: 93 % Duration: 21 days <5% No visible damage Rapid temperature cycling IEC 60068-2-14 Lower test temperature: - 55 C < 10 % Upper test temperature: 170 C Number of cycles: 10 No visible damage Endurance I = Imax t: 1000 h < 10 % No visible damage Cyclic endurance I = Imax, 1000 cycles On-time = 1 min Cooling time = 6 min < 10 % No visible damage Transient load Capacitance = C T Number of cycles: 1000 <5% No visible damage 131 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.