N2Power, a division of Qualstar Corporation announces constant current versions of its 375W AC-DC power supply dubbed XL375LED. The new units are designed to drive strings of LEDs in high power lamps for industrial, entertainment and outdoor lighting requirements. Their introduction celebrates the 50th anniversary of the first demonstration of a visible spectrum, ‘modern day’ LED in October, 1962 by Nick Holonyak, Jr., while he was working at...