About SFI

SFI Electronics Technology Inc. is established in Jan. 2000. We are the professional manufacturer of protective components in circuit, “Transient Voltage Suppressor” (also called Varistors), EMI Filters (Noise interference) and EMI/ESD Filter (Noise interference and electrostatic discharge) with dual functions. SFI continue to expand the market and sale globally with own brand “SFI”.