The TLP521-4XBLSM, manufactured by Isocom, is a quad-channel phototransistor optocoupler designed for applications requiring electrical isolation between circuits. This device comes in a DIP-16 package and offers a high isolation voltage (VISO) of 5kV, providing robust protection against high voltage transients. The current transfer ratio (CTR) ranges from 50% to 600%, ensuring efficient signal transfer. As an authorised distributor of Isocom components, Supreme Components International guarantees the authenticity and quality of this product. This optocoupler is suitable for a wide range of applications, including industrial control, power supplies, and data communication systems. Its quad-channel configuration allows for simultaneous isolation of multiple signals, simplifying circuit design and reducing component count. Trust Supreme Components International for your optoelectronic component needs.