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T90-A420XSMD Datasheet(PDF) 2 Page - EPCOS |
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T90-A420XSMD Datasheet(HTML) 2 Page - EPCOS |
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2 / 4 page  Surge arrester B88069X7041T902 3-electrode arrester T90-A420XSMD Preliminary data KB AB E / KB AB PM Issue 01 / 2007-09-14 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document. Features Applications Very small size Fast response time High current rating Stable performance over life Extremely low capacitance High insulation resistance Excellent SMD handling RoHS-compatible Line protection Station protection Base stations Electrical specifications DC spark-over voltage 1) 2) 4) DC spark-over voltage 2) 6) 357 … 525 357 … 1000 V V Impulse spark-over voltage at 100 V/µs - for 99 % of measured values 4) - typical values of distribution 4) at 1 kV/µs - for 99 % of measured values 4) - typical values of distribution 4) at 1 kV/µs - for 99 % of measured values 6) - typical values of distribution 6) < 850 < 750 < 1000 < 900 < 1800 < 1600 V V V V V V Service life 10 operations 50 Hz; 1 s 5) 5 A 1 operation 50 Hz; 0.18s 5) 10 A 10 operations [5x (+) & 5x (-)] 8/20 µs 5) 5 kA 1 operation 8/20 µs 5) 10 kA 1 operation 10/350 µs 5) 1 kA 300 operations 10/1000 µs 5) 200 A Insulation resistance at 100 Vdc 4) > 1 G Ω Capacitance at 1 MHz 4) < 1.5 pF Transverse delay time 3) < 0.2 µs Arc voltage at 1 A Glow to arc transition current Glow voltage ~ 10 ~ 1 ~ 60 V A V Weight ~ 0.8 g Operation and storage temperature -40 ... +90 °C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative 420 YY O 420 - Nominal voltage YY - Year of production O - Non radioactive |
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