EL817S1 SMD IC Opto couplers FG SOP4 EL817S1(B)(TU)

Product Overview:

The EL817 from Everlight Electronics is a 4-pin DIP phototransistor optocoupler designed to provide electrical isolation between two different circuits. It consists of an infrared emitting diode that is optically coupled to a phototransistor detector, allowing signal transmission while ensuring safety by maintaining high-voltage separation between input and output sections.

Core Specifications:

• Manufacturer: Everlight Electronics

• Package Type: 4-pin DIP (available in wide-lead and surface-mount options)

• Function: Phototransistor Optocoupler

• Isolation Voltage: 5000Vrms between input and output

• Current Transfer Ratio: 50% to 600%

Features:

• High Isolation: Provides strong electrical separation, which is essential for protecting low-voltage logic from high-voltage circuits.

• Temperature Resistance: Capable of stable operation in environments up to 110 degrees Celsius.

• Safety Standards: Fully compliant with major international safety certifications, including UL, cUL, VDE, and CQC.

• Compact Design: Small footprint allows for easy integration into space-constrained electronic assemblies.

• Environmental Compliance: RoHS compliant, REACH compliant, and Halogen-free.

Applications:

• Programmable Controllers: Used for isolating input and output ports in PLC systems.

• System Appliances: Facilitates signal transmission between circuits operating at different voltage levels in measuring instruments.

• Telecommunication: Provides necessary electrical isolation in communication hardware.

• Consumer Electronics: Widely used in household appliances, such as fan heaters, for safe control signal routing.