TDK-Lambda Corp has introduced a power-supply module for LED light bulbs at Tokyo Techno-Frontier 2011 held from July 20 to 22, 2011. The new module mainly targets to manufacturers outside Japan and it is designed for E-17 and E-26 base light bulbs and measures 10 x 35 x 11mm. Its input voltage is AC +80 to 120V, and its output power is 6W. The conversion efficiency of the power-supply module is 85% or higher, and its output ripple is 30% or lower.   Its operating temperature range are  -30 to +75°C,and storage temperature range are , -40 to +85&...