The role of the magnetic ring inductor: When there is current flowing through a wire, it will produce a certain electromagnetic field around this wire, and this electromagnetic field of the wire itself will be in this electromagnetic field range of the wire induction effect. Magnetic ring and connecting cable constitute an inductor, which is commonly used in electronic circuits, anti-interference components, for high-frequency noise has a good shielding effect. Magnetic ring at different frequencies have different impedance characteristics, the role of inductors and screening signals, filtering noise, stabilizing the current and suppressing electromagnetic interference and other important role.

Magnetic ring inductors are widely used in: car chargers, adapters, chargers, energy-saving lamps, anti-theft devices, induction cookers, DC-DC boost power modules, network communications, communications equipment, audio, computers, televisions, PDA handheld computers, ADSL, MP3, DCD advanced electronic toys, telephones, Walkman, 4EL backlight drive, remote control toys satellite receivers, fax machines, and other communications and consumer electronics.

Yellow-White Toroidal Inductors

Blue-Green Toroidal Inductor

Red-Gray Toroidal Inductor--Digital Amplifier Upgrade Special Inductor

In digital power amplifiers, the most decisive factor in terms of sound quality and performance is the output inductance. Generally, imported sealed I-shaped inductors and yellow ring inductors are prone to saturation and generate large heat, often resulting in low frequency, medium to high notes that cannot be released. According to many customers who have used them, using this red gray ring inductor is much better. Not only does it generate less heat, but it also extends the medium to high notes very well. After replacing it, it immediately takes effect.