Comparison : Item # 576802B03100G, 5768 Series 12.7 Millimeter (mm) Length and 19.05 Millimeter (mm) Height Plug In Channel Board Level Heat Sink
Item # 576802B04000G, 5768 Series 12.7 Millimeter (mm) Length and 19.05 Millimeter (mm) Height Plug In Channel Board Level Heat Sink