The EL816S1(D)(TU)-F is a surface mount phototransistor optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode (IRED) optically coupled to a phototransistor, providing electrical isolation between the input and output circuits. The surface mount package makes it suitable for high-density board designs.

Applications

• Surface Mount Applications: Optimized for automated assembly processes.
• Digital Logic Inputs: Interfacing digital signals with isolated systems.
• Microprocessor Inputs: Protecting microprocessors from voltage transients.
• Power Supply Regulators: Providing feedback isolation in power supplies.
• Industrial Control Equipment: Isolating control signals in industrial settings.

Features

• Surface Mount Package: Enables efficient automated assembly.
• High Isolation Voltage: Provides significant electrical isolation between input and output.
• Compact Size: Saves board space in high-density designs.
• Fast Switching Speed: Supports high-speed signal transfer.
• RoHS Compliant: Meets environmental standards for lead-free manufacturing.

Benefits

• Automated Assembly: Facilitates cost-effective mass production.
• Enhanced Safety: Provides galvanic isolation for enhanced safety.
• Noise Immunity: Reduces noise interference in sensitive circuits.
• Improved Reliability: Protects circuits from voltage spikes and surges.
• Space Saving: Enables smaller and more compact designs.

Additional Details

The EL816S1(D)(TU)-F comes in a surface mount package suitable for reflow soldering. The forward voltage of the IRED is typically around 1.2V, and the collector-emitter breakdown voltage of the phototransistor is approximately 80V. The operating temperature range is generally between -30°C and +100°C. The current transfer ratio (CTR) is a key performance parameter that varies depending on the specific grade and operating conditions. Refer to the manufacturer's datasheet for detailed specifications, application notes, and soldering guidelines. The device's surface mount design and robust performance make it a reliable choice for modern electronic assemblies.