2-electrode arrester Series/Type: EF2500X a) Ordering code: B88069X5690xxxx Version/Date: Issue 03 / 2008-01-18 Version: 6 Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers Please fill in the table and then change the color towhit (or invisible). This ensures that the table disappears for the customer PDF. To update the data sheet, click on the symbolPrevie and thenClos. Please do not alter the header or footer when copying the content. Identification/Classification 1: Surge arrester (header 1 + top left header bar) Identification/Classification 2: 2-electrode arrester (header 2 + bottom left header bar) a) Ordering code: B88069X5690xxxx (top right header bar) Series/Type: EF2500X (top right header bar) Preliminary data (optional): (if necessary) Department: KB AB E / KB AB PM Date: Issue 03 / 2008-01-18 EPCOS AG 2008. Reproduction, publication and dissemination of this document, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. a) Surge arrester B88069X5690xxxx 2-electrode arrester EF2500X Features Applications Standard size Application with high follow current High follow current capability Power supply Very fast response time Stable performance over life Very low capacitance High insulation resistance RoHS-compatible Electrical specifications 1) 2) DC spark-over voltage 2500 V 20 % Impulse spark-over voltage at 100 V/s - for 99 % of measured values < 3700 V - typical values of distribution < 3300 V at 1 kV/s - for 99 % of measured values < 4500 V - typical values of distribution < 3700 V Service life 10 operations 50 Hz, 1 s 2.5 A 1 operation 50 Hz, 0.18 s (9 cycles) 10 A 10 operations 8/20 s 2.5 kA 1 operation 8/20 s 2.5 kA Max. follow current during one voltage half cycle at 50 Hz 200 A Insulation resistance at 100 V > 10 dc G Capacitance at 1 MHz < 1.5 pF Arc voltage at 1 A ~ 22 V Glow to arc transition current < 0.5 A Glow voltage ~ 140 V Weight ~ 1.5 g Operation and storage temperature -40 ... +90 C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, red positive EF 2500 YY O EF - Series 2500 - Nominal voltage YY - Year of production O - Non radioactive a) xxxx = S102 (100 pcs on 5 stripes) = T502 (500 pcs on tape and reel) 1) At delivery AQL 0.65 level II, DIN ISO 2859 2) In ionized mode Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845 KB AB E / KB AB PM Issue 03 / 2008-01-18 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document.