HF2826-562Y2R5-T01

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Common Mode Chokes, also known as common mode inductors (CMI), are electric components used in electronic circuits to reduce common mode interference. They are available in a wide range of sizes and types and are commonly used in telecommunications, computer systems, industrial equipment, and other electronic devices.

The HF2826-562Y2R5-T01 is just one example of a common mode choke. This particular one is a 25mH, overmolded, 0.20" lead spread type common mode choke. It operates over a wide temperature range of -40°C to +125°C. It also has a low insertion loss, with a maximum of 0.8dB at 8GHz. It also provides a maximum DC resistance of only 6.6Ω.

The main purpose of a common mode choke is to reduce common mode interference, EMI, and reduce transient voltage shocks. It achieves this by blocking common mode signals while allowing desired signals to pass through. In effect, this allows the desired signal to remain unchanged while blocking out the undesired ones.

The working principle is fairly simple. The common mode choke is simply a coil of wire wrapped around a ferrite core. It contains two windings – the primary winding and the secondary winding – which are wound in opposite directions. When common mode signals pass through a coil of wire, the opposing direction of the two windings causes a voltage drop in the secondary winding due to inductive reactance, which prevents the signal from passing through.

This inductive reactance also creates a shield around the two windings, which blocks out the common mode signals while allowing the desired signals to pass through. The partially inductive reactance also helps to reduce the transient voltage shocks that common mode signals can cause.

In addition to its use in EMI reduction, the HF2826-562Y2R5-T01 can also be used in power supplies, telecom circuits, and even industrial equipment due to its high current capacity and wide temperature range. The HF2826-562Y2R5-T01 provides a high level of protection against EMI and transient voltage shocks, making it perfect for use in a wide array of applications.

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