B57551 March 2006
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B57551G0103F000 (pdf) |
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NTC thermistors for temperature measurement Glass-encapsulated sensors with insulation Series/Type Date: B57551 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 Glass-encapsulated sensors with insulation Applications Automotive electronics Industrial electronics Home appliances Dimensional drawing 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 Options Leads nickel-plated dumet wires. Alternative dimensions available on request. Delivery mode Bulk General technical data Dimensions in mm Climatic category Max. power Resistance tolerance Rated temperature Dissipation factor Thermal cooling time constant Heat capacity Insulation resistance1 Test voltage1 IEC 60068-1 at 25 °C in air in air V = 100 VDC t = 1 s 1 Medium NaCl-solution Temperature Room temperature P25 TR Cth Rins Vtest 55/260/56 32 ±1, ±2, ±3, ±5 25 approx. approx. 9 approx. 500 B57551 G551 mW % °C mW/K s mJ/K VDC Please read Important notes and Cautions and warnings at the end of this document. Page 2 of 13 Temperature measurement Glass-encapsulated sensors with insulation B57551 G551 Electrical specification and ordering codes No. of R/T B25/85 characteristic K 8407 3480 B0/100 K 3450 ±1% B25/100 K 3497 Ordering code B57551G0103+00* + = Resistance tolerance F = ±1% G = ±2% H = ±3% J = ±5% * = Leads 0 = dumet wires 2 = nickel-plated wires Reliability data Test Standard Test conditions Storage in dry heat Storage in damp heat, steady state Rapid temperature cycling IEC 60068-2-2 IEC 60068-2-67 IEC 60068-2-14 Storage at upper category temperature T 260 °C t 1000 h Temperature of air 85 °C Relative humidity of air 85% Duration 56 days Lower test temperature °C Upper test temperature 200 °C Number of cycles 1000 typical < 3% Remarks 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 13 Temperature measurement Glass-encapsulated sensors with insulation B57551 G551 R/T characteristics R/T No. T °C B57551G0103F000 8407 B0/100 = 3450 K, R25 = 10000 TR = 25 °C, = ± 1% 519910 491950 547870 379890 360880 398910 280700 267640 293750 209600 200570 |
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