(PDF) B57464 Datasheet - Switch-mode power supplies

Número de pieza	B57464
Descripción	Switch-mode power supplies
Fabricantes	EPCOS
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No Preview Available ! Inrush Current Limiters Applications I Switch-mode power supplies I Soft-start motors, e.g. in vacuum cleaners Features I Useable in series connections up to 265 Vrms I Coated thermistor disk I Kinked leads of tinned copper wire I High energy absorption capability Options Alternative resistance ratings and resistance tolerances < 20 % available on request Delivery mode Bulk Climatic category (IEC 60068-1) Max. power at 25 °C www.DataSheet4U.com Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity Pmax ∆RN/RN TN ∆B/B δth τc Cth 26 max. B57464 S 464 7 max. ø1 7,5 TNT0128-3 Dimensions in mm Approx. weight 9 g 55/170/56 6,7 ± 20 % 25 ±3% approx. 30 approx. 130 approx. 3900 W °C mW/K s mJ/K R25 Imax No. of B25/100 CT1) Parameters for (0 … 65 °C) R/T char- 230 V R(I)1) ΩA acteristic K µF k n Ordering code 1,0 20 1202 2800 2500 0,886 – 1,30 B57464S0109M000 1) For details on the capacitance CT as well as on the parameters k and n refer to “Application Notes”, pages 40 – 42. 144 05/02 1 page

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PDF B57464 Data sheet ( Hoja de datos )