The TLP185YE is a high-performance, small-outline photocoupler from Toshiba Semiconductor and Storage. It consists of a gallium arsenide infrared emitting diode optically coupled to a phototransistor. This photocoupler is designed for high-density mounting applications and offers excellent insulation voltage characteristics.

Applications

• Programmable Logic Controllers (PLCs): Used for input/output isolation.
• Inverter Control: Provides isolation between the control circuit and the power stage.
• Factory Automation Equipment: Ensures safe and reliable signal transmission.
• Measuring Instruments: Isolates sensitive measurement circuitry from high-voltage components.
• Office Automation Equipment: Enhances safety and reduces noise in devices like printers and copiers.

Features

• High Isolation Voltage: Offers a high isolation voltage rating, ensuring safety and preventing electrical hazards.
• Small Outline Package: The compact package design is ideal for space-constrained applications.
• High Collector-Emitter Voltage: Supports higher voltage applications.
• CTR (Current Transfer Ratio): Provides stable and efficient signal transfer.
• Operating Temperature Range: Wide operating temperature range for use in diverse environments.

Benefits

• Enhanced Safety: The high isolation voltage provides a crucial safety barrier between circuits.
• Space Saving: The small outline package allows for high-density mounting, saving valuable board space.
• Reliable Performance: Stable CTR ensures consistent and reliable signal transfer.
• Versatile Application: Suitable for a wide range of industrial and commercial applications.
• Improved Noise Immunity: Optical isolation helps reduce noise and interference in sensitive circuits.

The TLP185 series is known for its robustness and reliability in various industrial applications. Its key specifications include a high isolation voltage (typically 3750 Vrms or higher), a collector-emitter voltage rating, and a specified current transfer ratio (CTR). The operating temperature range often spans from -55°C to +110°C, making it suitable for demanding environments. The internal construction uses industry-standard materials designed for longevity and consistent performance. Toshiba's stringent manufacturing processes ensure high quality and reliability, essential for critical isolation applications.