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EZ3-A250XF1 Datasheet(PDF) 2 Page - EPCOS |
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EZ3-A250XF1 Datasheet(HTML) 2 Page - EPCOS |
2 / 4 page Surge arrester B88069X4521B502 3-electrode arrester EZ3-A250XF1 KB AB E / KB AB PM Issue 02 / 2007-09-06 Please read Cautions and warnings and Page 2 of 4 Important notes at the end of this document. Features Applications Extremely small 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 < 600 < 450 < 750 < 600 V V V V Service life 10 operations 50 Hz, 1 s 5) 5 A 1 operation 50 Hz, 0.18 s 5) 5 A 10 operations [5x (+) & 5x (–)] 8/20 µs 5) 5 kA 1 operation 10/350 µs 5) 1 kA 300 operations (alternating polarity) 10/1000 µs 5) 200 A Insulation resistance at 100 Vdc 4) > 1 G Ω Capacitance at 1 MHz 4) < 1.5 pF DC holdover voltage 3) at 135 Vdc / 1300 Ω < 150 ms Transverse delay time 3) < 0.2 µs Arc voltage at 1 A Glow to arc transition current Glow voltage ~ 10 ~ 1 ~ 80 V A V Weight ~ 1.0 g Storage temperature -40 ... +90 °C Climatic category (IEC 60068-1) 40/ 90/ 21 Marking, blue negative EZ 250 YY O EZ - Series 250 - Nominal voltage YY - Year of production O - Non radioactive |
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