B57981S

NTC thermistors for temperature measurement Leaded NTC thermistors, lead spacing 2.5 mm Series/Type: Date: B57981S February 2009 www.DataSheet4U.com © EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Temperature measurement Leaded NTC thermistors, lead spacing 2.5 mm B57981S S981 Applications 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 Bulk (standard), cardboard tape, reeled or in Ammo pack on request General technical data Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Heat capacity (IEC 60068-1) (at 25 °C) Dimensional drawing Dimensions in mm Approx. weight 150 mg (in air) (in air) P25 ∆RR/RR TR δth τc Cth 55/155/56 100 ±1, ±3, ±5 25 approx. 4 approx. 11.5 approx. 46 mW % °C mW/K s mJ/K Electrical specification and ordering codes R25 Ω 2.1 k 10 k www.DataSheet4U.com 10 k 30 k + = Resistance tolerance F = ±1% H = ±3% J = ±5% No. of R/T characteristic 1008 2003 2908 8018 B25/100 K 3560 ±1% 3980 ±1% 3460 ±1% 3964 ±1% Ordering code B57981S0212+000 B57981S0103+001 B57981S0103+002 B57981S0303+000 Please read Cautions and warnings and Important notes at the end of this d...