NTC thermistors for inrush current limiting Leaded and coated disks, P27 series Series/Type: B57127P0***M301 Date: November 2015 EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company.Inrush current limiters B57127P0***M301 ICLs P27 Applications Dimensional drawing Inrush current limiting, e.g. in switch-mode power supplies, soft-start motors Features Leaded and coated NTC thermistors Tinned copper wire, kinked Coating material flame retardant to UL 94 V-0 Component marking includes the manufacturer s logo, resistance value and date code Highly stable electrical characteristics Approvals UL 1434 (file number E69802) Options Resistance tolerance <20% and alternative lead configurations available on request Dimensions in mm Approx. weight 10 g Delivery mode Bulk General technical data Climatic category (IEC 60068-1) 55/170/21 Max. power (at 25 C) P 10.0 W max Resistance tolerance R /R 20 % R R Rated temperature T 25 C R Dissipation factor (in air) approx. 50 mW/K th Thermal cooling time constant (in air) approx. 200 s c Heat capacity C approx. 10000 mJ/K th Electrical specification and ordering codes 1) 1) 1) I I Maximum R R test max C C C min Ordering code 25 test test test (0 ... energy ( I , 280 V AC 240 V AC 120 V AC test 25 C) 25 C) A A J F F F 0.5 30 24 1300 3500 16000 200 0.011 B57127P0508M301 1 30 22 1300 3500 16000 200 0.013 B57127P0109M301 2 23 16 1300 3500 16000 200 0.022 B57127P0209M301 5 20 12 1300 3500 16000 200 0.033 B57127P0509M301 7 17 11 1300 3500 16000 200 0.045 B57127P0709M301 10 15 9 1300 3500 16000 200 0.058 B57127P0100M301 1) For details on the capacitance C please refer toApplication note, chapter 1.6. test Please read Cautions and warnings and Page 2 of 19 Important notes at the end of this document.