The Toshiba TLP421F(D4-GR) is a small outline photorelay, designed for applications requiring electrical isolation between control circuits and load circuits. It consists of an infrared LED optically coupled to a MOSFET output.

Applications

• Programmable Logic Controllers (PLCs)
• Industrial control systems
• Measuring instruments
• Security equipment
• Office automation equipment

Features

• Small outline package
• High isolation voltage
• Low on-resistance
• High switching speed
• AC/DC operation

Benefits

• Provides electrical isolation between control and load circuits
• Compact size for space-constrained applications
• Reduces noise and interference
• Enhances system safety
• Long operating life

Additional Details

The TLP421F(D4-GR) offers a high isolation voltage, ensuring safe and reliable operation in electrically noisy environments. Its low on-resistance minimizes power dissipation in the output stage, contributing to improved energy efficiency. The photorelay is capable of switching both AC and DC loads. The small outline package allows for high-density mounting on printed circuit boards. The device is designed for applications requiring reliable switching and electrical isolation. The TLP421F(D4-GR)'s optical isolation eliminates ground loops and reduces the risk of electrical shock. Its solid-state design provides a longer operating life compared to electromechanical relays. The device is suitable for a wide range of industrial and commercial applications. It conforms to relevant safety standards and regulations. The TLP421F(D4-GR) is a versatile component for providing electrical isolation and control in various electronic systems. The datasheet provides detailed specifications on its electrical characteristics, optical parameters, and thermal performance. Its input and output characteristics are well-defined, enabling easy integration into circuit designs. The device's compact size and high performance make it a popular choice for applications requiring both isolation and space efficiency. The "(D4-GR)" suffix likely denotes specific tape and reel packaging details for automated assembly.