Vigortronix vtx 214 003 3w miniature smps ac dc converter 33 48v vigortronix vtx 214 003 224 this vigortronix ac dc 3w single output miniature switched mode power supply smps is designed for applications where space is limited thanks to the encapsulated design of the module which boasts over power over current and short circuit protection this very small 17g pcb mounted smps is not only cost effective but also boasts a host of features such as 3600vrms primary to secondary isolation