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4#
发表于 2008-4-7 12:57:34
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来自: 江苏无锡 来自 江苏无锡
No it protects against voltage spikes etc. It actually protects the components in the power supply and the Drive. It provides a ground path for the spike. They use them on Relays and Solenoids and Motors. As the field winding colapses it generates a voltage or spike. This can dammage other components that are sensitive to these reverse voltages.A 1n2004 can do the same job.
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John DeRosa (Hotwaterwizard)
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