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model: sf3r350_7.5x11.5_10a | |
ordering code: b035l7511500c |
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features |
applications |
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standard size high current rating very fast response time stable performance over life very low capacitance high insulation resistance rohs-compatible |
modem xdsl-splitter data lines tuner antenna |
electrical specifications:
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dc spark-over voltage1) 2) |
350 ± 20 |
v % |
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impulse spark-over voltage2) |
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100v/µs |
< 900 |
v |
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1 kv/µs |
< 1000 |
v |
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service life |
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10 operations 50 hz, 1 s3) |
10 |
a |
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1 operations 50 hz, 0.18 s (9 cycles)3) |
30 |
a |
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10 operations[5x ( ) & 5x (-)] 8/20 µs3) |
10 |
ka |
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1 operation 8/20 µs3) |
15 |
ka |
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1 operations 10/350 µs3) |
2.5 |
a |
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insulation resistance at 100 vdc2) |
> 1 |
gω |
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capacitance at 1 mhz 0.5v2) |
< 2 |
pf |
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weight |
~1.5 |
g |
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operation and storage temperature |
-40 ~ 90 |
°c |
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marking |
3r 350 sf - brand name |
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350 - nominal voltage |
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1) the voltage is measured with a low rate of rise dv / dt =100v/swww.ishumba.com
2) tip or ring electrode to center electrodewww.ishumba.com
3) total current through center electrode, half value through tip respectively ring electrode.www.ishumba.com
terms in accordance with gb/t 9043-2008 and itu-t rec. k.12.www.ishumba.com
dimensional drawing:
cautions and warnings:
- surge arresters must not be operated directly in power supply networks. www.ishumba.com
- surge arresters may become hot in case of longer periods of current stress (danger of burning). www.ishumba.com
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surge arresters may be used only within their specified values. in case of overload, the headwww.ishumba.com
contacts may fail or the component may be destroyed.www.ishumba.com
- damaged surge arresters must not be re-used.www.ishumba.com
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