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B57235S0809M000 Datasheet(PDF) 2 Page - EPCOS |
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B57235S0809M000 Datasheet(HTML) 2 Page - EPCOS |
2 / 15 page 1) For details on the capacitance Ctest as well as on the parameters k and n refer to "Application notes", chapters 1.6 and 1.7. Applications 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) Options Resistance tolerance <20% and alternative lead configurations available on request Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack Dimensional drawing Dimensions in mm Approx. weight 0.8 g General technical data Climatic category (IEC 60068-1) 55/170/21 Max. power (at 25 °C) Pmax 1.8 W Resistance tolerance ∆R R/RR ±20 % Rated temperature TR 25 °C Dissipation factor (in air) δ th approx. 9 mW/K Thermal cooling time constant (in air) τ c approx. 60 s Heat capacity Cth approx. 540 mJ/K Electrical specification and ordering codes R25 Ω Imax (0...65 °C) A B25/100 K Ctest1) 230 V µF Ctest1) 110 V µF Param. for R(I)1) k Param. for R(I)1) n Ordering code 4.7 4.4 2800 200 800 0.700 1.30 B57235S0479M000 5 4.2 2800 200 800 0.710 1.30 B57235S0509M000 6 4.0 2800 200 800 0.757 1.30 B57235S0609M000 8 3.5 2900 200 800 0.814 1.32 B57235S0809M000 10 3.0 2900 200 800 0.879 1.32 B57235S0100M000 Inrush current limiters B57235 ICLs S235 Page 2 of 15 Please read Cautions and warnings and Important notes at the end of this document. |
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