B57862 March 2006
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B57862S0502F040 (pdf) |
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B57862S282F40 |
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B57862S0103F040 |
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NTC thermistors for temperature measurement Miniature sensors with bendable wires Series/Type Date: B57862 March 2006 EPCOS AG Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Temperature measurement Miniature sensors with bendable wires B57862 S862 Applications Heating and air conditioning systems Industrial electronics Automotive electronics Dimensional drawing Features Improved resistance to humidity Fast response High measuring accuracy Different tolerances available Epoxy resin encapsulation Insulated leads of silver-plated nickel wire, AWG 30 UL approval E69802 Options Non-standard lead lengths Delivery mode Bulk Dimensions in mm Approx. weight 60 mg 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 in air in air P25 TR Cth 55/155/56 60 ±1, ±3, ±5 25 approx. approx. 21 approx. 36 mW % °C mW/K s mJ/K Electrical specification and ordering codes k 5k 10 k No. of R/T characteristic 8016 B25/100 K 3988 ±1% 3988 ±1% 3988 ±1% Ordering code B57862S0282+040 B57862S0502+040 B57862S0103+040 + = Resistance tolerance F = ±1% H = ±3% J = ±5% Please read Important notes and Cautions and warnings at the end of this document. Page 2 of 17 Temperature measurement Miniature sensors with bendable wires B57862 S862 Note The type series S862 has a specially designed insulation coating, wire coating to withstand the immersion test in water of 1000 h, 25 °C. Therefore these sensors must be protected to avoid any damage of the insulation material during handling and in the application. Reliability data Test Storage in dry heat Storage in damp heat, steady state Rapid temperature cycling Immersion test Long-term stability empirical value Standard Test conditions IEC 60068-2-2 IEC 60068-2-78 IEC 60068-2-14 Storage at upper category temperature T 155 °C t 1000 h Temperature of air 40 °C Relative humidity of air 93% Duration 56 days Lower test temperature °C Upper test temperature 155 °C Number of cycles 100 Test voltage VDC on NTC over protective resistor, sensors immersed into water, ambient temperature 25 °C , voltage switched on 5 h switched off 1 h. t 1000 h Temperature 70 °C t 10000 h typical < 2% < 1% < 1% < 2% Remarks No visible damage No visible damage No visible damage No visible damage No visible damage Please read Important notes and Cautions and warnings at the end of this document. Page 3 of 17 Temperature measurement Miniature sensors with bendable wires B57862 S862 R/T characteristics R/T No. T °C B57862S0282F040 8016 B25/100 = 3988 K, R25 = 2800 TR = 25 °C, = ± 1% 269650 253600 285710 187630 177220 |
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