...Bussmann, Carlisle, C&K, Camden Boss, Hongfa, Honeywell, Kingbright, Littlefuse, Murata, Nichia, NKK Switches, Omron, ONSemiconductor, Osram, Phoenix Contact, Raychem, Rafi, Schnieder, Schurter, Siba in mnogi drugi.
Pasivni
AVX, Bourns, Coilcraft, Epcos, Kemet, Murata, Nichicon, Panasonic, Rubycon, Samsung, TDK, Vishay, Welwyn, Wurth, Yageo in mnogi drugi.
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