NTC thermistors for temperature measurement
Probe assemblies
www.DataSheet4U.com
Series/Type: Date:
B57227 March 2006...
NTC thermistors for temperature measurement
Probe assemblies
www.DataSheet4U.com
Series/Type: Date:
B57227 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 Probe assemblies
B57227 K227
Applications Electric motors Transformers Features Coated thermistor disk with shrunk sleeve insulation PTFE-insulated wires, AWG 26 UL approval (E69802) Options Alternative resistance ratings, rated temperatures, resistance tolerances and wire lengths available on request Delivery mode Bulk
Dimensional drawing
Dimensions in mm Approx. weight 5 g
General technical data Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Heat capacity Insulation resistance Test
voltage (IEC 60068-1) (at 25 °C) 55/155/56 200 ±10 100 approx. 5 approx. 30 approx. 150 >100 2.5
(in air) (in air) (V = 100 VDC) (t = 1 s)
P25 ∆RR/RR TR δth τc Cth Rins Vtest
mW % °C mW/K s mJ/K MΩ kVAC
Electrical specification and ordering codes R100 Ω 1.8 k R25 Ω 32.762 k No. of R/T characteristic 2904 B25/100 K 4300 ±3% Ordering code B57227K0333A001
Please read Important notes and Cautions and warnings at the end of this document.
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Temperature measurement Probe assemblies
B57227 K227
Reliability data Test Storage in dry heat Standard IEC 60068-2-2 Test conditions ∆R25/R...