NTC thermistors for inrush current limiting Leaded and coated disks Series/Type: B57235S0***M0** Date: October 2013 EPCOS AG 2013. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited.Inrush current limiters B57235S0***M0** ICLs S235 Applications Dimensional drawing Switch-mode power supplies Features Useable in series connections up to 265 V RMS Coated thermistor disk Kinked leads of tinned copper wire Wide resistance range Small space requirement Cost-effective Manufacturer s logo, NTC and resistance value stamped on UL approval (E69802) Options Dimensions in mm Resistance tolerance <20% and alternative lead Approx. weight 0.8 g configurations available on request Delivery mode Bulk (standard) or with cardboard tape on 350-mm reel General technical data Climatic category (IEC 60068-1) 55/170/21 Max. power (at 25 C) P 1.8 W max Resistance tolerance R /R 20 % R R Rated temperature T 25 C R Dissipation factor (in air) approx. 9 mW/K th Thermal cooling time constant (in air) approx. 60 s c Heat capacity C approx. 540 mJ/K th Electrical specification and ordering codes 1) 1) R R I C C min Ordering code 25 max test test ( I , 25 C) (0...65 C) 230 V AC 110 V AC max A F F 2.5 5.2 200 800 0.077 B57235S0259M0** 4.7 4.4 200 800 0.102 B57235S0479M0** 5 4.2 200 800 0.110 B57235S0509M0** 6 4.0 200 800 0.125 B57235S0609M0** 8 3.5 200 800 0.156 B57235S0809M0** 10 3.0 200 800 0.206 B57235S0100M0** ** = Delivery mode 00 = Bulk 51 = Reel packing 1) For details on the capacitance C please refer toApplication note, chapter 1.6. test Please read Cautions and warnings and Page 2 of 18 Important notes at the end of this document.