B57220K212A3 TDK

NTC thermistors for temperature measurement Leadless NTCs Series/Type: B57220K Date: March 2013 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.Temperature measurement and compensation B57220K Leadless NTCs K220 Applications Dimensional drawing Temperature measurement and compensation Features Front surfaces silver-plated For clamp contacting UL approval (E69802) Options Alternative resistance ratings, rated temperatures and resistance tolerances available on request. d = 2.9 0.3 mm Delivery mode th = 1.3 0.3 mm Bulk Approx. weight 50 mg General technical data Climatic category (IEC 60068-1) 55/250/21 Max. power (at 25 C) P 180 mW 25 Resistance tolerance R /R 5 % R R Rated temperature T 20 C R 1) Dissipation factor (in air) approx. 2.5 mW/K th 1) Thermal cooling time constant (in air) approx. 12 s c 1) Heat capacity C approx. 30 mJ/K th Electrical specification and ordering codes R R No. of R/T B Ordering code 20 25 25/100 characteristic K 2.5 k 2056.9 1008 3560 1.5% B57220K0212A003 1) Depends on mounting situation Please read Cautions and warnings and Page 2 of 17 Important notes at the end of this document.