Supertex’s PS30 constant-frequency (67 kHz), constant duty-cycle LED driver provides high power factor correction (PFC) for dimmable off-line LED bulb and tube applications. The device is intended to ...

We've tested and reviewed products since 1936. Read CR's review of the EcoSmart 120W Equivalent Bright White PAR38 Dimmable LED lightbulb to find out if it's worth it.