HCPL-3020 by Avago Technologies Design and production,in DES TECHINOLOGY(HK)LIMITED Spot sales,And can pass DES TECHINOLOGY(HK)LIMITED Purchasing。HCPL-3020 Price reference ¥ 8.792521。HCPL-3020 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information HCPL-3020 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial