FDK America, Inc. is the North American subsidiary of FDK Corporation, a Japanese electronic components and battery manufacturer founded in 1950 and headquartered in Tokyo. The company originally started as Fuji Denki Kagaku Co., Ltd. and later rebranded to FDK, specializing in high-reliability batteries and advanced electronics. FDK America oversees sales, marketing, and technical support across the Americas from its base in San Jose, California. Core product lines include primary lithium batteries such as the CR series for memory backup, lithium-ion rechargeable Twicell batteries, and alkaline batteries for industrial use. In power electronics, FDK offers DC-DC converters (FDC series), AC-DC power supplies, and a wide range of inductors including chip and power inductors for noise suppression. The company is also recognized for its RF power modules used in telecommunications base stations and conductive polymer hybrid aluminum electrolytic capacitors under the FPCAP brand. FDK's components serve critical applications in medical devices, automotive electronics, industrial equipment, and consumer products. Globally, FDK holds a strong niche in primary lithium cells and custom power solutions, competing with larger Japanese component makers. The company’s long-standing expertise in battery technology and magnetic components ensures a steady position in high-reliability market segments. FDK America emphasizes close engineering collaboration, serving as a vital link between Japanese R&D and North American customers.