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Last Updated on: Tuesday, June 01, 2021 03:06 PM

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More  Latch Circuits

Low Voltage Latching Relay Driver

Using some small super capacitors, this circuit can latch and unlatch a mechanical relay with 10 Amp contacts, from a small 3 volt power source.  By using a latching relay, power can be controlled to a load with a tiny battery.

Click on Circuit Below to view PDF of Schematic

Low Voltage Latching Relay Driver, David A. Johnson, P.E., 7/9/2006

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