Fluorescent ballasts come in two broad types: magnetic and electronic. Magnetic ballasts are increasingly obsolete, but the good news is that a typical ballast will last about 20 years—you won ...

One case involved many 1,500W metal-halide magnetic HID ballasts failing to start their lamps at a high-school football stadium. The Vthd at the PCC reached levels as high as 13%. Some lamps would ...

International Rectifier has introduced a new control ic for magnetic ballasts used in fluorescent lamps. The IRS2538DS emulates the behavior of a magnetic ballast control system, leveraging IR's ...

A reliable, efficient control IC for magnetic ballasts used in fluorescent lamp, the IRS2538DS, ... cost effective one-chip magnetic replacement ballast solution.