8114

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Common mode chokes are essential devices for shielding signal-carrying lines in a variety of electronic applications. 8114 common mode chokes are designed as compact solutions with a wide operating temperature range and wide frequency range. In this article, we will discuss the 8114 application field and working principle.

Overview of 8114 Common Mode Chokes

8114 common mode chokes are miniature, low profile, wideband chokes that offer high common mode noise suppression in both high and low frequency applications. These types of common mode chokes are designed for flexibility and are suitable for a variety of EMI filtering applications in illuminated consumer electronics, mobile devices, PC/computer equipment, test & measurement, automotive, and medical electronics. 8114 common mode chokes provide a wide frequency range from 50 kHz to 1 GHz.

Application Field & Working Principle of 8114 Common Mode Chokes

Application Field: 8114 common mode chokes are commonly used in a variety of applications because of their size and wide range of performance capabilities. They are widely used to accomplish EMI filtering in high-speed signals, and also used for minimizing noise in signal transmission lines. These chokes are mainly used in consumer equipment, automotive electronics, medical devices, and industrial control equipment.

Working Principle: 8114 common mode chokes operate on the principle of electromagnetic induction. They are wound on a split bobbin that contains two cores. A single wire is wound around the core, creating a capacitor-like structure with two or more different windings connected in series or parallel. This winding will create a magnetic field when a current passes through it, which will reject common mode noise. The split bobbin also helps reduce self-inductance and leakage between windings. This prevents the accumulation of stray electromagnetic energy which can cause interference with other electronic devices.

Benefits of 8114 Common Mode Chokes

8114 common mode chokes are used primarily for EMI/RFI noise and interference reduction, and their low profile size makes them an ideal choice for diverse applications. The most important benefits of 8114 common mode chokes include:

• Wide frequency range (50 kHz to 1 GHz)
• Low profile size (2.5 mm x 6.5 mm)
• Wide operating temperature range (-20°C to +85°C)
• High common mode noise suppression
• Impedance range from 1.6 to 10 ohms
• Excellent temperature stability and resistance to mechanical shock
• Low leakage of magnetic flux
• Higher current ratings and lower insertion losses
• Excellent moisture and vibration resistance

Conclusion

8114 common mode chokes are highly efficient devices that offer significant noise immunity and high EMI performance. They are widely used in consumer electronics, automotive, medical, and industrial applications due to their size, frequency range, low profile size, and wide operating temperature range. The 8114 common mode chokes operate on the premise of electromagnetic induction, and provide a wide array of benefits to the users.

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