15秒定时开关芯片，触发延时芯片 EC19121301-V01-2E2D 深圳市丽晶微电子科技有限公司

p1Src=//y1.yzimgs.com/uploads/532452/2020623-154237335.jpg?watermark/2/text/5rex5Zyz5biC5Li95pm25b6u55S15a2Q56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast