B88069X3770T902

Surge arrester 2-electrode arrester Series/Type: M50-A350XSMD Ordering code: B88069X3770T902 Version/Date: Issue 05 / 2007-04-19 Version: 01 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) Ordering code: B88069X3770T902 (top right header bar) Series/Type: M50-A350XSMD (top right header bar) Preliminary data (optional): (if necessary) Department: KB AB E / KB AB PM Date: Issue 05 / 2007-04-19 EPCOS AG 2007. Reproduction, publication and dissemination of this document, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. Surge arrester B88069X3770T902 2-electrode arrester M50-A350XSMD Features Applications Branch exchange Very small size Line protection High current rating Subscriber protection Very fast response time Stable performance over life Alarm system Very low capacitance High insulation resistance Excellent SMD handling RoHS-compatible Electrical specifications 1) 2) DC spark-over voltage 350 V 20 % Impulse spark-over voltage at 100 V/s - for 99 % of measured values < 800 V - typical values of distribution < 750 V at 1 kV/s - for 99 % of measured values < 900 V - typical values of distribution < 800 V Service life 10 operations 50 Hz, 1 s 5 A 1 operation 50 Hz, 0.18 s (9 cycles) 10 A 10 operations 8/20 s 5 kA 1 operation 8/20 s 10 kA 1 operation 10/350 s 0.5 kA Insulation resistance at 100 V > 1 dc G Capacitance at 1 MHz < 1 pF Arc voltage at 1 A ~ 15 V Glow to arc transition current ~ 0.5 A Glow voltage ~ 60 V Weight ~ 1 g Operation and storage temperature -40 ... +90 C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative 350 YY O 350 - Nominal voltage YY - Year of production O - Non radioactive 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 05 / 2007-04-19 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document.