2N6660 by Microchip Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。2N6660 Price reference $ 14.421200。2N6660 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information 2N6660 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial