Type Isolators,SPI Applications Ideal for applications in industrial automation, motor drives, server and telecom systems, Switch-Mode Power Supplies (SMPS), and medical devices On-board modules 4DIR1421H - quad-channel digital isolator from Infineon, Key Features Low power consumption, isolation voltage up to 5700Vrms, certified under UL 1577 (Ed. 5), data rates up to 40Mbps, based on Coreless Transformer (CT) technology, exceptional noise immunity, Click Snap, and more Interface SPI Feature Click Snap,ClickID Compatibility mikroBUS™ Click board size L (57.15 x 25.4 mm) Input Voltage 3.3V or 5V