The Sharp PC810 is a miniature photocoupler designed for electrical isolation and signal transmission in various electronic applications. It comprises a gallium arsenide (GaAs) infrared emitting diode (IRED) optically coupled to a silicon phototransistor. This configuration ensures a high level of electrical isolation between the input and output circuits, making it suitable for safety-critical applications.

Applications

• Power supplies: Used for feedback control and isolation in switching power supplies.
• Industrial control equipment: Provides isolation between control signals and power circuits in industrial machinery.
• Telecommunications equipment: Isolates data and control lines in communication devices.
• Programmable logic controllers (PLCs): Isolates input and output signals in PLC systems.
• Office automation equipment: Employed in printers, copiers, and scanners for signal isolation.

Features

• High isolation voltage: Offers substantial electrical isolation between input and output.
• Compact package: Allows for use in densely populated circuit boards.
• High current transfer ratio (CTR): Ensures efficient signal transfer.
• Low input current: Minimizes power consumption.
• RoHS compliant: Meets environmental standards for hazardous substances.

Benefits

• Enhanced safety: Protects sensitive circuits and users from high-voltage hazards.
• Improved signal integrity: Reduces noise and interference in signal transmission.
• Space-saving design: Enables miniaturization of electronic devices.
• Increased reliability: Provides stable performance in diverse operating conditions.
• Cost-effective solution: Offers a balance of performance and price.

Additional Details

The PC810 typically features an isolation voltage of 5000 Vrms. The current transfer ratio (CTR) varies depending on the operating conditions. The operating temperature range is typically from -30°C to +100°C. The forward voltage of the IRED is approximately 1.2V, and the collector-emitter saturation voltage of the phototransistor is generally below 0.4V. The package is typically a DIP-4 or similar compact form factor. This photocoupler is commonly used in a variety of applications where electrical isolation is essential.