S11MS3/S21MS3/S21MS4 S11MS3/ S21MS3/S21MS4 s Feat.
S21MS3 - High Density Surface Mount Type Mini-flat Package Phototriac Coupler
S11MS3/S21MS3/S21MS4 S11MS3/ S21MS3/S21MS4 s Features 1. Ultra-compact, mini-flat package type ( 3.6 x 4.4 x 2.0mm ) 2. Built-in zero-cross circuit (.