membrane or keyboard or touch switches, membrane overlay switches, thermal switches, cable assemblies or harnesses, direct current (dc) to direct current (dc) power supplies, alternating current (ac) to direct current (dc) power supplies, wide band crystal filters, power supply systems or units, electronic cable assemblies or harnesses, nickel metal hydride batteries, batteries, battery packs, cable assemblies or harnesses to specification, direct current (dc) to direct current (dc) converters, crystal clock oscillators, voltage controlled crystal oscillators (vco), alternating current (ac) power supplies, direct current (dc) power supplies, power supplies to specification, switching power supplies available from hadden assocs inc based in san diego, ca. click the links below to visit our website or contact us via our profile page.