DKIL-0231-1505

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Common Mode Chokes

Common Mode Chokes are passive electronic components employed to reduce the amount of EMI in a circuit, by providing a high impedance path to common mode current. The DKIL-0231-1505 is a type of common mode choke used in a range of applications, due to its ability to provide excellent noise suppression efficiency.

Application Field

The DKIL-0231-1505 is designed for use in robust and reliable high frequency switching power supplies, used in a wide range of appliances and industrial equipment, such as HVAC, medical, military, or automotive equipment. The choke is commonly used in circuits with limited space, as its rated power is of only 1-2A and a Φ 12mm easy-to-mount design. The DKIL-0231-1505 is most suitable when placed near the power supply section, between the power switch and the load.

Working Principle

Common mode chokes work as EMI filters - they are designed to reduce unwanted signal interferences or to attenuate any power line disturbances caused by the internal and external inductive load of the circuit. By introducing an inductive reactance in the circuit, the choke acts like a low-pass filter, suppressing conducted noise, harmonics, and transients in the circuit, as well as common-mode and differential-mode disturbances.

The DKIL-0231-1505 exhibits excellent signal rejection when compared to other common mode chokes. Its rated inductance is 25uH at 100KHz, with a DC current rate of 2A, providing excellent noise suppression in high frequency switching power supplies.

In addition to its outstanding performance levels, the DKIL-0231-1505 provides superior product reliability, due to its diamond ferrite core material combined with high quality insulation materials. The use of these core materials ensures minimum variation of inductance characteristics and improved dissipation factor.

Conclusion

The DKIL-0231-1505 Common Mode Choke delivers excellent performance in high frequency switching power supplies, by providing high levels of noise suppression, superior product reliability, and excellent signal rejection. Its small size and easy-to-mount design make it an ideal choice for applications where space constraints are an issue.

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