The TLP629-4 is a quad-channel phototransistor optocoupler from Toshiba Semiconductor and Storage. It provides electrical isolation between input and output circuits, making it ideal for applications where safety and noise immunity are critical. This optocoupler consists of an infrared LED and a phototransistor in each channel, allowing for efficient signal transfer across the isolation barrier.

Applications

• Programmable Logic Controllers (PLCs)
• Factory automation equipment
• Inverter circuits
• Measurement equipment
• Signal transmission between circuits of different potential

Features

• Quad-channel configuration
• High isolation voltage (5000 Vrms)
• Compact DIP package
• Current transfer ratio (CTR) of 50% to 600%
• Operating temperature range: -55°C to +100°C
• RoHS compliant

Benefits

• Provides electrical isolation for safety and noise immunity
• Reduces ground loops and noise coupling
• Facilitates signal transmission between circuits with different ground potentials
• Enables compact and efficient circuit designs
• Suitable for a wide range of industrial applications

Additional Details

The TLP629-4 offers a high isolation voltage of 5000 Vrms, ensuring robust protection against high-voltage transients. The wide current transfer ratio (CTR) range allows for flexibility in circuit design and optimization. The compact DIP package facilitates easy integration into existing circuits. The optocoupler is commonly used in PLCs, where it provides isolation between the control logic and the output stages. It is also used in factory automation equipment, where it protects sensitive circuits from noise and interference. The TLP629-4 is compliant with RoHS standards, making it environmentally friendly. Typical collector-emitter voltage is 80V. The maximum forward current is 50mA.