The EL816 is a series of phototransistor optocouplers manufactured by Everlight Electronics. These devices consist of an infrared LED and a phototransistor, providing electrical isolation between the input and output. They are used to transfer signals between circuits with different voltage levels or ground potentials, offering safety and noise immunity.

Applications

• Power supplies: Isolating control circuitry from high-voltage sections.
• Industrial control equipment: Protecting microcontrollers and other sensitive components from noisy industrial environments.
• Telecommunications: Isolating telephone lines from user equipment.
• Medical equipment: Providing patient safety through electrical isolation.
• General-purpose isolation: Isolating digital and analog signals in various applications.

Features

• High isolation voltage: Provides a high degree of electrical isolation between the input and output.
• Compact package: Available in various compact packages for space-saving designs.
• High current transfer ratio (CTR): Ensures efficient signal transfer.
• Low saturation voltage: Enables efficient output switching.
• Compliance with safety standards: Meets various international safety standards for isolation.

Benefits

• Enhanced safety: Protects users and equipment from high voltages and electrical hazards.
• Noise immunity: Isolates sensitive circuits from noise and interference.
• Ground loop elimination: Prevents ground loops from causing signal distortion and equipment damage.
• Simplified circuit design: Simplifies the design of isolated circuits.

Technical Specifications

The EL816 series offers various isolation voltages, CTR ranges, and package options. Specific details on these parameters can be found in the Everlight EL816 datasheet. The operating temperature range, storage temperature range, and lead soldering temperature are also important specifications to consider. Ensure the selected EL816 variant meets the specific requirements of the application.