The TLP781F(D4-GR,F) is a Photocoupler manufactured by Toshiba Semiconductor and Storage. It consists of a gallium arsenide infrared emitting diode optically coupled to a silicon phototransistor. It is designed for electrical isolation between input and output circuits in a variety of applications.

Applications

• Programmable Logic Controllers (PLCs)
• Inverter Control
• Measuring instruments
• Office equipment
• Signal transmission between circuits with different ground potentials

Features

• High isolation voltage (3750 Vrms)
• Current transfer ratio (CTR: 50% to 600% @ IF = 5 mA, VCE = 5V)
• Operating temperature: -55°C to 110°C
• Pb-free
• Safety standards: UL, cUL, VDE, BSI

Benefits

• Provides electrical isolation to protect sensitive circuits from high voltages.
• Offers a wide range of CTR values, suitable for various applications.
• Reliable performance in harsh environments due to wide operating temperature range.
• Complies with environmental regulations.
• Meets various safety standards, ensuring safe operation.

Additional Details

The TLP781F(D4-GR,F) is available in a DIP-4 package. It has a collector-emitter voltage (VCEO) of 80V, a collector current (IC) of 50mA, and a forward current (IF) of 20mA. The isolation voltage between the input and output is 3750 Vrms. This photocoupler is designed for applications requiring high isolation and reliable signal transmission. The 'F' suffix indicates Pb-free compliance. The 'D4-GR' markings likely denote specific production or testing characteristics.