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Old 04-19-2017, 02:48 AM   #1
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Default Discussion: Simple reverse-polarity-protection circuit has no voltage drop

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Aruna Rubasinghe EDN Common methods of reverse-voltage protection employ diodes to prevent damage to a circuit. In one approach, a series diode allows current to flow only if the correct polarity is applied (Figure 1).
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Old 04-19-2017, 02:48 AM   #2
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EDN fails again, with the supply reversed semiconductors and capacitors in the load conduct before the relay can switch. if you're lucky the relay switches before permanent damage is done
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