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The SML-D1 (1608 size, t=0.5mm, colors: red, orange, yellow, yellow-green, green) and SML-E1 series (1608 size, t=0.35mm, colors: white, blue, blue-green) are the successors to the SML-31 and SML-51 series. Even though the shape differs, the new series share the same land pattern dimensions. And although neither the SML-31 nor SML-51 series are discontinued, they are currently being supplied to only certain preexisting customers (excluding samples).