The Isocom Components 2004 LTD Optoisolators - Transistor, Photovoltaic Output TLP521-2XSM are high performance, reliable boards that provide up to 5.3kV of light-to-electric isolation and an 8 SMD package. They are equipped with transistor, photovoltaic output and are optically isolated, eliminating the need for electrical contact between circuits. The TLP521-2XSM boasts high noise immunity and high common mode rejection, allowing for effective operation even in harsh operating environments. It features a metal shield for reduced EMI, a wide adjustable range from 0.8mA to 16mA, and a creepage/clearance distance of 18mm for additional safety for critical applications. The TLP521-2XSM is the ideal solution for applications requiring isolation between microcontroller and attached components or systems.