NTC thermistors for temperature measurement Leaded NTC thermistors, lead spacing 2.5 mm Series/Type: B57971S Date: March 2013 EPCOS AG 2013. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited.Temperature measurement B57971S Leaded NTC thermistors, lead spacing 2.5 mm S971 Applications Dimensional drawing Temperature measurement Features Flexible epoxy coating of head and wires High measuring accuracy Cost-effective Rugged design Tinned copper leads Lead spacing 2.5 mm Options Alternative coating length of wires on request Delivery mode Dimensions in mm Bulk (standard), cardboard tape, reeled or in Approx. weight 140 mg Ammo pack on request General technical data Climatic category (IEC 60068-1) 55/155/56 Max. power (at 25 C) P 60 mW 25 Resistance tolerance R /R 1, 3, 5 % R R Rated temperature T 25 C R Dissipation factor (in air) approx. 4.1 mW/K th Thermal cooling time constant (in air) approx. 8.8 s c Heat capacity C approx. 36.5 mJ/K th Electrical specification and ordering codes R No. of R/T B Ordering code 25 25/100 characteristic K 2 k 1008 3560 1% B57971S0202+000 10 k 8016 3988 1% B57971S0103+001 30 k 8018 3964 1% B57971S0303+000 + = Resistance tolerance F = 1% H = 3% J = 5% Please read Cautions and warnings and Page 2 of 26 Important notes at the end of this document.