Diotec sk1840d2 smd schottky rectifier diode 40v 18a d2pak diotec sk1840d2 the sk1840d2 is a 40v 18a single diode schottky rectifier in a surface mounting d sup2 pak case suitable for general purpose use diotec sk1840d2 schottky rectifier diode 40v 18a d2pak