Nihon Dempa Kogyo (NDK) is a Japanese manufacturer of precision crystal products including crystal oscillators, crystal units, frequency synthesizers, and SAW devices for automotive, telecommunications, and industrial applications.
Nihon Dempa Kogyo Co., Ltd. (NDK) is a leading Japanese manufacturer of precision crystal products, headquartered in Tokyo, Japan. The company specializes in the development and production of high-quality crystal devices used in critical timing applications across telecommunications, automotive, industrial equipment, and consumer electronics worldwide.
NDK's comprehensive product portfolio includes crystal units, crystal oscillators (including TCXOs, SPXOs, OCXOs), frequency synthesizers, signal generators, millimeter-wave converters, synthetic quartz crystal (including high-purity N-Grade series and swept quartz for radiation-resistant applications), optical components (optical low-pass filters, wave plates, ND filters, bandpass filters), and QCM sensor systems (NAPiCOS series for analytical instruments).
Key applications include 5G/4G base stations, fiber-optic networks, data center AI/ML, factory automation, measuring equipment, smart grid, automotive (ADAS, autonomous driving, connected infotainment, electric vehicles, body electronics, chassis/safety), smartphones, wearables, medical/healthcare devices, defense, and satellite communications. NDK recently introduced the world's first 1.6 x 1.2 mm Stratum 3-compliant high-stability TCXO (NT1612SHC) achieving ±280 ppb at 125°C, supporting 5G base stations and AI servers.
NDK operates globally with production facilities in Japan, Malaysia (ASIAN NDK CRYSTAL, NDK QUARTZ), and China (Suzhou NDK), maintaining ISO 9001, IATF 16949, and ISO 14001 certifications. The company is committed to sustainability with comprehensive environmental, social, and governance initiatives. With over 88,000+ products available through APCOS, NDK continues to deliver precision timing solutions from its foundation of synthetic quartz crystal expertise.
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