The EL817S1CTULTO-FG is a single-channel phototransistor optocoupler manufactured by Everlight Electronics Co., Ltd. It provides electrical isolation between input and output circuits, commonly used to protect sensitive electronic components from high voltages and noise. This optocoupler consists of an infrared emitting diode (IRED) and a phototransistor in a single package. The 'S1' indicates a surface mount package. The 'FG' indicates it's a Halogen-Free part.

Applications:

• Industrial control systems
• Power supplies
• Motor control circuits
• Digital logic interfaces
• Signal isolation

Features:

• Single-channel configuration: Provides isolation for a single signal.
• Phototransistor output: Offers a simple and cost-effective output interface.
• High isolation voltage: Provides high voltage isolation between input and output.
• Surface mount package: Suitable for automated assembly processes.
• RoHS compliant & Halogen-Free: Environmentally friendly construction.

Benefits:

• Electrical isolation: Protects sensitive components from high voltages and noise.
• Simplified circuit design: Reduces the need for complex isolation circuitry.
• Improved safety: Enhances safety by isolating high-voltage circuits.
• Reliable performance: Designed for long-term performance in demanding applications.
• Cost-effective: Provides a cost-effective solution for electrical isolation requirements.

Additional Details:

The EL817S1CTULTO-FG has a current transfer ratio (CTR) that varies depending on the input current. The isolation voltage is typically 5000 Vrms. The forward voltage of the IRED is typically 1.2V. The collector-emitter voltage of the phototransistor is typically 80V. The operating temperature range is typically -30°C to +100°C. The optocoupler is available in surface-mount packages. Consult the manufacturer's datasheet for detailed specifications, including pinout diagrams, electrical characteristics, and application notes.