Switch-mode power supplies

Inrush Current Limiters Insulation Voltage 1000 VDC for 1 s, ∆R N/RN = ± 15 % Applications I Switch-mode power supplies B57236 S 236 ø11,5 max. 6 max. 16 max. Features I Close resistance tolerance, I I I I I improved insulation voltage Useable in series connections up to 265 Vrms Coated thermistor disk Kinked leads of tinned copper wire Wide resistance range UL approval (E69802) ø0,8 5 36 _ 1 TNT0413-S Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack Dimensions in mm Approx. weight 1,7 g Climatic category (IEC 60068-1) Max. power at 25 °C Resistance tolerance www.DataSheet4U.com Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity Test voltage (t = 1 s) Pmax ∆R N/R N TN ∆B/B δth τc Cth VT 55/170/56 2,4 ± 15 % 25 ±3% approx. 14 approx. 50 approx. 700 1000 W °C mW/K s mJ/K VDC R 25 Ω 2,5 3,0 5,0 8,0 No. of Imax (0 … 65 °C) R/T charA acteristic 5,5 5,0 4,5 3,7 1201 1202 1202 1203 B25/100 K 2700 2800 2800 2900 CT1) CT1) Parameters for 230 V 110 V R(I) 1) µF µF k n 200 300 300 300 800 1200 1200 1200 0,621 0,80 0,761 1,11 – 1,27 – 1,31 – 1,30 – 1,34 Ordering code B57236S0259L002 B57236S0309L002 B57236S0509L002 B57236S0809L002 1) For details on the capacitance CT as well as on the parameters k and n refer to “Application Notes”, pages 40 – 42. 134 05/02 Inrush Current Limiters Insulation Voltage 1000 VDC for 1 s, ∆R N/RN = ± 15 % Reliability data Test Storage in dry heat Standard IEC 60068-2-2 Test conditions Storage at upper category temperature T: 170 °C t: 1000 h Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 21 days B57236 S 236 ∆R 25/R25 (typical) < 10 % Remarks No visible damage Storage in damp heat, steady state Rapid temperature cycling Endurance Cyclic endurance Transient load IEC 60068-2-3 IEC 60068-2-14 <5% No visible damage No visible damage No visible damage No visible damage No visible damage Lower test temperature: – 55 °C < 10 % Upper test temperature: 170 °C Number of cycles: 10 I = Imax t: 1000 h I = Imax, 1000 cycles On-time = 1 min Cooling time = 6 min Capacitance = C T Number of cycles: 1000 < 10 % < 10 % <5% 135 05/02 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. (