Cosel designs and manufactures reliable power conversion products for demanding applications, including AC-DC power supplies, DC-DC converters, and EMI filters. Cosel’s product focus spans medical, industrial, semiconductor manufacturing, telecom and networking, test and measurement, and military applications. Cosel also works with Lite-On as a strategic partner, giving customers access to selected standard power products through the Cosel relationship. Selmark supports Cosel customers throughout New England, including Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island, and Vermont.

Cosel Products

LiteOn Products