The EL3H7(A)(TB)(FT-3)-G is a high-performance single-channel solid-state relay (SSR) manufactured by Everlight Electronics Co Ltd. This device is designed for a variety of applications requiring reliable and efficient switching. It features a compact package and offers excellent electrical isolation between the control and load circuits.

Applications:

• Telecommunications Equipment: Used for switching signals and controlling various functions in telecom systems.
• Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other industrial automation equipment for switching actuators, sensors, and other devices.
• Security Systems: Utilized in alarm systems and access control systems for switching lights, sirens, and door locks.
• Medical Equipment: Integrated into medical devices requiring reliable and isolated switching of sensitive circuits.
• Office Automation Equipment: Found in printers, copiers, and other office machines for controlling motors, solenoids, and other electromechanical components.

Features:

• High Isolation Voltage: Provides strong electrical isolation between the input and output, ensuring safety and preventing ground loops.
• Solid-State Reliability: Offers a long lifespan and high reliability compared to electromechanical relays, with no moving parts to wear out.
• Compact Package: Allows for easy integration into densely populated circuit boards.
• Low On-Resistance: Minimizes power dissipation and voltage drop across the relay when it is conducting.
• Fast Switching Speed: Enables rapid switching of signals, suitable for high-speed applications.
• RoHS Compliant: Meets environmental regulations for hazardous substances.

Benefits:

• Enhanced System Reliability: The solid-state design eliminates mechanical failures, improving the overall reliability of the system.
• Improved Safety: The high isolation voltage protects users and equipment from hazardous voltages.
• Reduced Maintenance Costs: The long lifespan of the SSR reduces the need for frequent replacements, lowering maintenance costs.
• Increased Energy Efficiency: The low on-resistance minimizes power losses, leading to improved energy efficiency.
• Space Savings: The compact package allows for smaller and more compact designs.

Additional Details:

The EL3H7(A)(TB)(FT-3)-G typically features an input control voltage range suitable for common logic levels. The output is designed to switch AC or DC loads within specified voltage and current limits. The device is often available in surface-mount packages for automated assembly. Refer to the datasheet for specific electrical characteristics, such as input current, output voltage, on-resistance, and isolation voltage.