si.farnell

VISHAYH11AA1

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Description

TheH11AA1isanACInputPhototransistorOutputOptocouplerwithbaseconnection.Itisabi-directionalinputopticallycoupledisolatorconsistingof2inverseparallelgalliumarsenideinfraredLEDscoupledtoasiliconNPNphototransistor.TheoptocouplerhasaminimumCTRof20%,CTRsymmetryof1:3andisdesignedforapplicationsrequiringdetectionormonitoringofACsignals.

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