DG471S

Surge arrester 2-electrode arrester Series/Type: DG471S Order Code: Version/Date: Issue 02/2015-01-24 DG Elec. 2012 . Reproduction,publication and dissemination of this document, enclosures hereto and the information contained therein without DG' prior express consent is prohibited. Surge arrester 2-Electrode arrester Features ● ● ● ● ● ● ● ● Extremely small size Extremely fast response time Eexcllent SMD handing Stable performance over life Very low capacitance High insulation resistance RoHS-compatible UL-identification, No:E311500 DG471S Applications ● ● ● ● Splitter PCI Cards Morden Line cards Electrical specifications DC breakdown voltage 1) 2) Impulse breakdown voltage 1) at 100V/us -Typical values of distribution at 1kv/us -Typical values of distribution Insulation resistance at DC 100V Capacitance at 1MHz 2) Service life 3) 10 operations 10 operations Weight Storage and operations temperature 8/20us 50Hz Climatic category（GB/T 9043，IEC61643-1) Marking 470 ±20 V % ≤850 ≤900 ≥1 ≤0.5 V V GΩ Pf 0.5 0.5 ~0.05 -40…+90 40/90/21 Without KA A g °C Tel: +86-510-81707285 Fax: +86-510-81707277 www.dong-guang.com DG Elec. Issue 02/2015-01-24 Please read Cautions and warnings and important notes at the end of this document. Page 2 of 3 Surge arrester 2-Electrode arrester 1) At delivery AQL 0.65 level Ⅱ,DIN ISO 2859 2) In ionized mode 3) DC spark-over voltage ±30% after load DG471S Tests according to ITU-T Rec. K. 12 and UL 497B Terms and current waveforms in accordance with: ITU-T Rec. K. 12; IEC 61643-21 and DIN 57845 / VDE0845 Dimension Recommended pad outline Dimensions in mm Tin-plated Packing 3000pcs on SMD tape Cautions and warnings ● Depending on the incorporation position,the surge arrester may have to be additionally secured by mechanical means. ● Surge arresters must not be operated directly in power supply networks. ● Surge arresters may become hot in case of longer periods of current stress(danger of burning). ● Damaged surge arresters must not be re-used. DG Elec. Please read Cautions and warnings and important notes at the end of this document. Issue 02/2015-01-24 Page 3 of 3