B57551G0103F000 TDK

NTC thermistors for temperature measurement Glass-encapsulated sensors with insulation Series/Type: B57551 Date: March 2006 EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited.Temperature measurement B57551 Glass-encapsulated sensors with insulation G551 Applications Dimensional drawing Automotive electronics Industrial electronics Home appliances Features Glass-encapsulated NTC thermistor, heat-resistant and highly stable Coating of glass body and leads for electrical insulation For temperature measurement up to 260 C Fast response Small dimensions Leads: dumet wires (copper-clad FeNi) Dimensions in mm Options Leads: nickel-plated dumet wires. Alternative dimensions available on request. Delivery mode Bulk General technical data Climatic category (IEC 60068-1) 55/260/56 Max. power (at 25 C) P 32 mW 25 Resistance tolerance R /R 1, 2, 3, 5 % R R Rated temperature T 25 C R Dissipation factor (in air) approx. 0.8 mW/K th Thermal cooling time constant (in air) approx. 9 s c Heat capacity C approx. 7.2 mJ/K th 1) Insulation resistance (V = 100 VDC) R 100 M ins 1) Test voltage (t = 1 s) V 500 VDC test 1) Medium: NaCl-solution Temperature: Room temperature Please read Important notes and Page 2 of 13 Cautions and warnings at the end of this document.