The Isocom TLP521-4X is a quad-channel phototransistor optocoupler designed for applications requiring electrical isolation between circuits. Supreme Components International, an authorised distributor, provides this high-quality optoelectronic component. This optoisolator features four independent channels, each consisting of an infrared LED and a phototransistor. The TLP521-4X offers excellent isolation voltage and current transfer ratio, making it suitable for isolating microcontrollers, sensors, and power supplies. Its compact design and reliable performance make it a popular choice for industrial automation, medical equipment, and telecommunications. Benefit from enhanced safety and signal integrity with this versatile optocoupler. Supreme Components International guarantees genuine Isocom components.