KCB's History

KCB has the willingness, products and processes in place to support the most demanding high reliability semiconductor applications.  Our Quality System has been put in place specifically to support Defense and Satellite requirements.  Our proven capabilities include semiconductor circuit and package design, microelectronic assembly, electrical testing and environmental screening services to meet the most demanding and cost-sensitive hardware requirements. Our product range is now well into the 40 GHz range. We’re well-versed in semiconductor products which address thermal management for high power products as well as small signal, highly reliable, high-performance solutions.


KCB is located in Shirley, Massachusetts. Our facility has 8,000 square feet of semiconductor manufacturing and office space with 2,000 square feet dedicated to clean-room manufacturing. Our semiconductor manufacturing facility is fully ESD-controlled and particle monitoring is in place for class 10,000 cleanroom status.

MIL-STD is our standard

When hi-rel performance and bottom-line value are the metrics, discerning RF subsystem designers turn to KCB. We’re your specialist for Hi-Rel, fully integrated RF and microwave surface mount components and hybrids. Our ISO 9001, ITAR, and AS9100 accredited design and manufacturing center serves small engineering firms through large volume OEMs.

View Our Product Catalog for Hi-Rel RF/Microwave Semiconductors