TF4930HU-102Y20R0-01

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Common Mode Chokes

Common Mode Chokes are a type of electrical components that are used to block common mode currents and suppress voltage spikes in low voltage power supplies. Common Mode Chokes are specifically designed to filter noise and produced by EMC (electromagnetic compatibility) compliant applications and tested in accordance with international safety standards. The TF4930HU-102Y20R0-01 is part of those of common mode chokes used in power supplies.

Application Field of TF4930HU-102Y20R0-01

The TF4930HU-102Y20R0-01 is especially manufactured for the protection of isolated power supplies in harsh environments. Common mode chokes can also be used in a variety of application areas, including ac/dc power supplies, DC/DC converters, inverters, and communication systems.

The TF4930HU-102Y20R0-01 is designed to protect switching regulated power supplies operating at frequencies between 120 kHz and 2.4 MHz. The device is rated for 100 to 250VAC (85 to 150VDC) and is suitable for use in appliances such as air conditioners, refrigerators, water valves, and pumps.

The TC4930HU-102Y20R0-01 common mode choke also features a low differential mode resistance, which ensure a linear response and more reliable operation. It also has a high-level of heat dissipation, allowing it to operate in temperatures up to 85°C without any degradation in performance.

Working Principle of TF4930HU-102Y20R0-01

Common Mode Chokes utilize a transformer-like electrical component that is designed to filter out common mode currents while allowing differential currents to pass through unimpeded. The TF4930HU-102Y20R0-01 choke consists of two windings, which are connected in series. A low reactance is introduced between the two windings, blocking the common mode current from passing through. At the same time, allowing differential currents to pass through freely.

The windings of a common mode choke are designed to be twisted, or purposely misaligned, to reduce the amount of stray capacitance between them. This helps to reduce the amount of noise that can be coupled into the circuit, as well as reducing the amount of high-frequency leakage.

The TF4930HU-102Y20R0-01 common mode choke also features a unique construction that is designed to maximize its common mode impedance. This reduces the amount of common mode current flowing through the device and allows it to operate safely in environments with higher currents. The choke also features a low capacitance, which ensures a high-level of isolation and a low-level of resonance.

Conclusion

The TF4930HU-102Y20R0-01 is a type of common mode choke used in power supplies and other electronic products. It is designed to reduce noise and provide signal isolation. The device consists of two windings that are connected in series, with a low reactance introduced between them. This helps filter out common mode currents while allowing differential currents to pass through unimpeded. The choke also features a unique construction designed to maximize its common mode impedance and a low capacitance, which ensure a high-level of isolation and a low-level of resonance.

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