TL494idr TL494i switching power supply IC chip patch SOP16 new original quality assurance

Pre-sale instructions One: Dear buyers and friends, due to the large variety of electronic products, large traffic, strong seasonality, plus manufacturers' out stock, etc., it is normal to be out of stock. When buying, please ask the seller first when buying.Is there any spot, and the two parties talked before taking it.So as not to bring you unnecessary trouble! Two: Because the market is changing every day, the price is relatively large, so the price of the goods affiliated to the store is not the real price (the price is based on the consultation). Please forgive me if there is something wrong. Please contact the owner before taking it. Thank you for your cooperation.Essence Three: Electronic components are professional products with high technical content. There may be a variety of brands in itself. After dropping and packaging, it may lead to the difference in parameters and performance.Please tell us the packaging and suffix of the product before buying!Do not shoot and pay directly! Four: To avoid damage or loss caused by the goods during transportation, please carefully check when receiving the goods. If you have any questions, please contact them in time?cooperate! Five: E…