Transcription of How to Use Optocoupler Normalized Curves - Vishay
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Vishay SEMICONDUCTORSO ptocouplers and Solid-State RelaysApplication Note 45 How to Use Optocoupler Normalized CurvesAPPLICATION NOTE Rev. , 18-Oct-111 Document Number: 83706 For technical questions, contact: DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENTARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT Optocoupler provides insulation safety, electrical noiseisolation, and signal transfer between its input and insulation and noise rejection characteristics of theoptocoupler are provided by the mechanical packagedesign and insulating phototransistor Optocoupler provides signal transferbetween an isolated input and output via an infrared LEDand a silicon NPN current is forced through the LED diode, infrared lightis generated that irradiates the photosensitive base collectorjunction of the phototransistor.
How to Use Optocoupler Normalized Curves APPLICATION NOTE Application Note 45 www.vishay.com Vishay Semiconductors Rev. 1.5, 18-Oct-11 2 Document Number: 83706 For technical questions, contact: optocoupleranswers@vishay.com
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