The EL2501S is an optocoupler from Everlight Electronics Co., Ltd. It incorporates an infrared emitting diode (IRED) and a phototransistor within a single package, providing electrical isolation between input and output circuits while enabling signal transmission. This optocoupler is designed for applications where electrical isolation, noise immunity, and signal transfer between circuits operating at different voltage levels are essential.

Applications

• Switching Mode Power Supplies (SMPS)
• Programmable Logic Controllers (PLCs)
• Microprocessor Interfaces
• General Purpose Inverters
• Digital Logic Inputs

Features

• High Isolation Voltage (Typically 5000 Vrms)
• High Collector-Emitter Breakdown Voltage
• Compact Small Outline (SO) Package
• Compliant with RoHS Directive
• High Current Transfer Ratio (CTR)

Benefits

• Provides robust electrical isolation, protecting sensitive circuits from voltage spikes and transients.
• Offers excellent noise immunity, ensuring reliable signal transmission in noisy environments.
• Simplifies circuit design and reduces component count due to its integrated design.
• Enables safe and efficient signal transfer between circuits with different ground potentials.
• Contributes to environmentally-friendly designs through RoHS compliance.

Technical Specifications:

• Isolation Voltage: 5000 Vrms (Typical)
• Collector-Emitter Voltage: 80V (Minimum)
• Forward Current (IF): 50 mA (Maximum)
• Current Transfer Ratio (CTR): Dependent on specific grade (Consult datasheet)
• Package Type: SO-4
• Operating Temperature Range: -30°C to +100°C (Consult datasheet for details)