A BGA-packaged optocoupler from Fairchild Semiconductor offers the smallest form factor for a safety-rated device of this type. The FODB100 Microcoupler, a single-channel optocoupler with a transistor ...
Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...
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