Grade	Content      wt%	Density g/cm³	CTE           25℃         ppm/℃	Thermal Conductivity 25℃ W/mK	Tensile Strength MPa	Yield Strength MPa	Poisson's Ratio	Elongation %	Elastic Modulus GPa
AlSi27	Al-27%Si	2.6	17	175	170	130	0.29	3.8	91

Other Designations: Silicon aluminum alloy, AlSi27 alloy, Al-27%Si controlled expansion alloy.

Product Description

• AlSi27 carrier plate replacing Al6061 and Copper in PCBs(metal-clad laminate) for high frequency application;
• AlSi27 cover lids replacing Kovar in optoelectronic industry;
• AlSi27 T/R modules replacing Kovar and Cu-Mo in RF/microwave,millimeter wave industry.

Applications

• Telecom;
• Optoelectronic Industry;
• RF/microwave carrier;
• Millimeter Wave Field.