QX824是一款由发光二极管和光电晶体管组成的双通道光电耦合器。八引脚封装，两种形式（DIP、SMD）。 The QX824 is a dual channel photocoupler composed of light emitting diodes and phototransistors. It is packaged in a 8-pin package of two forms such as DIP、SMD

 开关电源，智能电表 Switching power supply, intelligent meter
 工业控制，测量仪器 Industrial control, measuring instruments
  办公设备，比如复印机 Office equipment such as copiers 

  家用电器，比如空调、风扇、热水器等 Household appliances: such as air conditioners, fans, water heaters, etc

替代 ACPL-824 TLP320-2 TLP620-2 TLP626-2 PC823 PC824 PS2505-2 PS2565-2 ILD620 ILD620GB LTV-824 KP3020 ORPC824