The H11A817D300 from ON Semiconductor is a versatile and reliable optocoupler device, designed to provide optimal isolation and signal transfer in a wide range of electrical applications. This optocoupler, also known as an opto-isolator, allows for the transmission of signals between two isolated circuits by using light waves to prevent high voltages from affecting the system receiving the signal.

Key Features

• High Isolation Voltage: The H11A817D300 offers a high isolation voltage of 5000 Vrms, which ensures that the input and output are electrically isolated, providing safety and protection against high voltage spikes and surges.
• Current Transfer Ratio (CTR): This optocoupler has a Current Transfer Ratio ranging from 50% to 600%, depending on the input current, which guarantees efficient signal transfer from the input LED to the output phototransistor.
• Wide Operating Temperature Range: It can operate within a temperature range of -55°C to +100°C, making it suitable for harsh environments and industrial applications.
• Lead-Free and RoHS Compliant: The H11A817D300 is designed with eco-friendly materials, adhering to the RoHS directive, which restricts the use of certain hazardous substances in electrical and electronic equipment.

Applications

The ON Semiconductor H11A817D300 optocoupler is ideal for a variety of applications where electrical isolation is crucial. It is commonly used in:

• Power supply circuits
• Signal transmission between circuits of different potentials and impedances
• Microprocessor system interfaces
• Computer peripheral interfaces
• Switching power supplies
• Motor control circuits

Package and Quality Assurance

The H11A817D300 comes in a standard DIP-4 package, which is widely accepted for through-hole mounting, ensuring ease of integration into existing designs. ON Semiconductor is known for its commitment to quality, and this product is no exception, having undergone rigorous testing to meet industry standards for performance and reliability.