Cosel is one of the world's leading power supply manufacturers offering high-quality, ultra small size AC-DC power supplies, DC-DC converters of the state-of-the-art technologies, and effective and easy-to-use noise filters.

Cosel's product portfolio includes high-quality, ultra small size AC-DC switching supplies, and state-of the-art technology DC-DC converters. Cosel's AC-DC switching power supplies can handle universal AC inputs with output power ranges from 3Watts up to 10k Watts. Cosel PLA Series is an economical, enclosed type AC-DC switching power supply with harmonic attenuator and high efficiency.

Cosel's high efficiency DC-DC converters provide up to 700 Watts of output power in industry standard voltages and footprints. The Cosel DHS Series of DC-DC converters offer high efficiency and high reliability in a compact package.