B57234S479M51 TDK

Product division: NTC Product type:S234/xxx/M Product name: Inrush Current Limiter Ordering code:B57234S0xxxM000 Data sheet APPLICATION : NTC-thermistor for inrush current limiting in peripheral communication equipment, e.g. in switch-mode power supplies FEATURES : Black coated thermistor disk Coating material is flame retardant (UL 94 V-0 approved) Kinked leads of tinned copper wire Lead spacing 7.5 mm Manufacturers logo, NTC and resistance value stamped in white High stability of electrical characteristic Terminals solderable in accordance with IEC 60068-2-20, test ta, method 1 ICL support to fulfill the requirements according EN 61000 of power circuits Usable in series connections up to 265 V rms UL approval (E 69802) The component is compliant with ROHS (DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment Also available on tape EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures hereto 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. ISSUE DATE 11.05.05 ISSUE b PUBLISHER KB S PE PAGE 1/19 Product division: NTC Product type:S234/xxx/M Product name: Inrush Current Limiter Ordering code:B57234S0xxxM000 Data sheet DRAWING : b th b 15.0max mm th 7.0 max mm h 22.0 max mm + 3 LL mm 32 0.05 LD mm 0.8 0.8 LS LS mm 7.5 Approx. weight : 2.0 g LD RATINGS AND CHARACTERISTICS Lower/upper category temperature T C -55/+170 Resistance tolerance R/R % 20 N Rated temperature T C 25 N B value tolerance B/B % 3 Max. power at 25C P W 3.6 max Dissipation factor (in air) mW/K approx. 17 th Thermal cooling time constant (in air) s approx. 90 th Heat capacity C mJ/K approx. 1530 th R I B C at 110 C at 230 Parameter Parameter 25 T T max 25/100 VAC VAC Ordering Code for R(I) for R(I) A K k n F F B57234S0109M000 1.0 11.5 2600 2800 700 0.622 -1.27 B57234S0229M000 2.2 9.0 2800 2800 700 0.806 -1.30 B57234S0259M000 2.5 8.4 2800 2000 500 0.843 -1.30 B57234S0479M000 4.7 6.6 2900 2800 700 1.03 -1.32 B57234S0509M000 5.0 6.4 2900 2800 700 1.05 -1.32 B57234S0709M000 7.0 6.0 3000 2800 700 1.16 -1.33 B57234S0100M000 10 5.0 3060 2800 700 1.29 -1.34 B57234S0150M000 15 4.0 3000 2800 700 1.49 -1.33 B57234S0220M000 22 4.0 3300 2800 700 1.57 -1.37 B57234S0330M000 33 3.3 3300 3600 900 1.78 -1.37 ISSUE DATE 11.05.05 ISSUE b PUBLISHER KB S PE PAGE 2/19 LL h