B57020M2502A017 EPCOS | Alldatasheet

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I Thermistor in molded plastic case I PVC-insulated connecting cable (white), Tmax = 105 °C I Conductor cross section: 2 × 0,34 mm2 I Construction based on DIN EN 60 730-1/VDE protection class 2 Options Alternative resistance ratings, rated temperatures, resistance tolerance and cable lengths available on request Delivery mode Bulk Climatic category (IEC 60068-1) Max. power at 25 °C P25 Resistance tolerance ∆RN/RN Rated temperature TN B value tolerance ∆B/B Dissipation factor (in air) δth Thermal time constant (in water) τa Insulation resistance Ris 40/80/56 350 ± 2 % ± 1,5 % approx. 10 approx. 35 > 1000 mW mW/K s MΩ R25 Ω Ω No. of R/T characteristic B25/100 K Ordering code 5000 16330 2003 3980 B57020M2502A017 TNT0350-Q 4,5 900±30 Dimensions in mm B57020Temperature Measurement M2 0 2 0Probe Assemblies

Test Standard Test conditions ∆R25/R25 (typical) Remarks Storage in dry heat IEC 60068-2-2 Storage at upper category temperature T: 80 t: 1000 h < 2 % No visible damage Storage in coldness Storage at lower category temperature T: – 40 t: 1000 h < 2 % No visible damage Storage in damp heat, steady state IEC 60068-2-3 Temperature of air: 40 °C Relative humidity of air: 93 % Duration: 56 days < 2 % No visible damage Rapid temperature cycling IEC 60068-2-14 Lower test temperature: – 40 Upper test temperature: 80 °C Time to change from lower to upper temperature: < 30 s; Number of cycles: 1000 Medium: air < 2 % No visible damage Storage in water Temperature of water: 30 t: 4000 h Applied voltage with drop resistor 10 kΩ:10 Vdc switched between on (ton = 30 min) and off (toff = 30 min) < 2 % No visible damage Temperature cycling test Lower test temperature: – 30 °C Upper test temperature: 10 °C Test frequency < 15 min under wetness and frozen water Number of cycles: 50000 Medium: air < 2 % No visible damage Voltage proof test

3750 V; 1 min No flash-

The sensors are placed in a vessel containing metallic balls of 1 mm diameter (with total immersed head). The applied voltage is 500 V dc. Above 1000 MΩ B57020Temperature Measurement M2 0 2 0Probe Assemblies

Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND /c40 ++49 89 636 09, FAX (0 89) 636-2 26 89  EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus- drückliche Genehmigung der EPCOS AG nicht gestattet. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek- troindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten rich ten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe ent- halten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft ein- zuholen. Published by EPCOS AG Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY /c40 ++49 89 636 09, FAX (0 89) 636-2 26 89  EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the S upply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and El ectronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa- tives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.