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B88069X8860B502 Datasheet(PDF) 2 Page - EPCOS |
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B88069X8860B502 Datasheet(HTML) 2 Page - EPCOS |
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2 / 4 page  Surge arrester B88069X8860B502 3-electrode arrester T23-A250XF4 KB AB E / KB AB PM Issue 06 / 2007-10-18 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document. Features Applications Standard size Fast response time High current rating Stable performance over life Very low capacitance High insulation resistance Reliable failsafe device RoHS-compatible Branch exchange (MDF) Line protection Station protection Electrical specifications DC spark-over voltage 1) 2) 4) 250 ± 20 V % Impulse spark-over voltage 4) at 100 V/µs - for 99 % of measured values - typical values of distribution at 1 kV/µs - for 99 % of measured values - typical values of distribution < 500 < 400 < 600 < 550 V V V V Service life 10 operations 50 Hz, 1 s 5) 10 A 1 operation 50 Hz, 0.18 s (9 cycles) 5) 50 A 10 operations [5x (+) & 5x (-)] 8/20 µs 5) 20 kA 1 operation 8/20 µs 5) 25 kA 1 operation 10/350 µs 5) 5 kA 300 operations 10/1000 µs 5) 200 A Insulation resistance at 100 Vdc 4) > 10 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 ~ 35 ~ 1 ~ 200 V A V Weight ~ 2 g Storage temperature -40 ... +90 °C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative 250 YY O 250 - Nominal voltage YY - Year of production O - Non radioactive |
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