LCF121002B650TG Filters

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Common mode chokes (CMC) are device that are used to block high frequency electromagnetic signals from a high voltage DC source to a low voltage DC load. The LCF121002B650TG application field and working principle is a common type of CMC device that is used mainly in power supplies and motor control circuits.

The LCF121002B650TG is a shielded shielded common mode choke for single phase applications. It is a two-wire, two-port device with one terminal connected to each end of an two coil cores that provide the common mode inductance. The two-wire-two-port configuration results in a symmetrical inductance, meaning that the inductance between each wire and its opposite-end terminals is uniform. In addition, this configuration also reduces the amount of current passing through any of the terminals, which is important in sensitive analog circuits.

This particular model features a high performance ferrite core. The ferrite core provides the high inductance required for common mode noise suppression while maintaining a low DC resistance.

The LCF121002B650TG also features a low profile of just 8.95mm and its coil loop diameter can be adjusted. The coil discs are also designed with a center hole which can be filled with an adhesive to improve the overall performance.

This CMC is also designed to be resistant to transient voltage surges. This is accomplished by the two coils being placed in two separate compartments with two separate electrical points. This effectively reduces the risk of short circuits and provides protection against excessive voltages.

The LCF121002B650TG also has a wide operation temperature range. This CMC can be used in temperatures ranging from -40°C to +105°C due to its wide operating temperature range. This makes it suitable for use in a range of different applications, including industrial motor control systems, power supplies, and other DC circuits.

The LCF121002B650TG features a high current rating of up to 650A and a frequency range of up to 3kHz. This makes it suitable for a variety of motor control applications such as single-phase AC motor control circuits.

The working principle of this CMC is relatively simple and is based on the principle of inductance. The two terminals of the CMC are connected to the two coils of the core. The resulting inductance suppresses high frequency currents that pass through the device, helping to ensure minimal noise induction in sensitive circuits.

The LCF121002B650TG is a versatile CMC device that can be used in a variety of applications. Its resistance to transients and wide operating temperature range make it suitable for power supply and motor control circuit applications. In addition, its high current rating and frequency range make it suitable for single phase AC motor control circuits.

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