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CET Technology Announces a New Inductor Design for Class D Amplifiers

CET Technology has developed a new inductor design series for high efficiency, high power, Class D amplifiers.

Windham, NH, December 24, 2014 --( CET Technology ( has developed a new inductor design series for high efficiency, high power, Class D amplifiers. The inductor design uses a compact ferrite core made from high saturation, low loss material. It also employs flat wire for high frequency operation. Because the core has an enclosed shape it provides added shielding.

Unlike a linear amplifier, which uses transistors to increase the amplitude of an applied signal, Class D amplifiers use transistors as ON/OFF switches. The signal is converted to a series of pulses through pulse-width modulation. These pulses are then amplified and converted into an analog signal as they go through a low-pass filter made up of inductors and capacitors. One of the main advantages of Class D Amplifiers is that they are more efficient than linear amplifiers.

DC current ratings for the Class D amplifier can be as high as 30amps. Size ranges are from 15mmX17.5mmX19mm to 20mmX23mmX23mm. Inductance values range from 10, 22 and 33µH, but can be adjusted to any value up to 100µH.

For more information about the new inductor design for Class D amplifiers, or for more information about any of CET Technology products, please visit,

About CET Technology
Offering a complete line of ROHS compliant components including inductors, coils, chokes, power supplies, inductors and DC/DC converters, CET Technology opened its doors in 1987. Since then, they have provided the global OEM market with high quality, competitively priced standard and custom magnetic devices. For more information visit
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CET Technology
Michelle Farnum

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