The TLP291G is a four-pin photocoupler manufactured by Toshiba Semiconductor and Storage. It incorporates an infrared emitting diode (IRED) and a phototransistor, providing electrical isolation between circuits. The 'G' suffix typically denotes a specific grade or characteristic of the device, such as higher CTR or improved performance.

Applications

• Programmable Logic Controllers (PLCs)
• Factory automation equipment
• Measuring instruments
• Telecommunication equipment
• Office automation equipment

Features

• High Isolation Voltage: Typically 3750 Vrms
• Compact Package: 4-pin SO6
• Operating Temperature: -30°C to 100°C
• Improved CTR (Current Transfer Ratio) compared to standard TLP291
• Lead-Free Construction

Benefits

• Offers electrical isolation, protecting sensitive circuits from voltage surges and noise.
• Saves board space thanks to its compact size.
• Operates reliably in diverse environmental conditions.
• Provides enhanced signal transfer efficiency due to the improved CTR.
• Complies with environmental regulations.

Additional Details

The TLP291G features a high isolation voltage of approximately 3750 Vrms, ensuring robust protection against electrical hazards. Its compact 4-pin SO6 package makes it suitable for space-constrained applications. The operating temperature range spans from -30°C to 100°C, guaranteeing reliable operation in various conditions. The 'G' suffix indicates an improved Current Transfer Ratio (CTR) compared to the standard TLP291, leading to more efficient signal transfer. The device is lead-free, complying with environmental standards.