The TLP781(TELS-TP6,F is a phototransistor optocoupler manufactured by Toshiba Semiconductor and Storage. This device consists of an infrared emitting diode optically coupled to a phototransistor. It is designed for electrical isolation between input and output circuits, offering high insulation voltage and reliable signal transmission.

Applications

• Programmable Logic Controllers (PLCs)
• Factory Automation
• Measuring instruments
• Power Supplies
• Telecommunication Equipment

Features

• High isolation voltage (3750 Vrms)
• Current transfer ratio (CTR: 50% to 600%)
• Operating temperature: -55°C to 110°C
• Lead-free
• Small package

Benefits

• Provides electrical isolation
• Reduces ground loops
• Protects sensitive circuits
• Improves system reliability
• Compact design

Technical Specifications

The TLP781(TELS-TP6,F features a high isolation voltage of 3750 Vrms, providing robust electrical isolation. The current transfer ratio (CTR) ranges from 50% to 600%, allowing for efficient signal transfer. The operating temperature range is -55°C to 110°C, ensuring reliable operation in harsh environments. The device is lead-free and housed in a small package, making it suitable for high-density board layouts. This optocoupler is commonly used in applications requiring electrical isolation, such as PLCs, factory automation, and power supplies. The infrared emitting diode provides efficient signal transmission to the phototransistor, ensuring reliable operation. More detailed specifications are available in the datasheet.

Toshiba's optocouplers are well known for their reliability and performance in providing galvanic isolation.