AT0603T08ECAS3

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Attenuators are resistive networks used to reduce the amplitude of a signal, and AT0603T08ECAS3 (ECAS3) is one of the most popular attenuators in current industry. This part is based on Thin Film technology, offering high power and low resistance to ensure accurate attenuation control. The special feature of this attenuator is that its package size is ultra-small compared to the conventional products, which makes it an ideal choice for space-constrained applications. In this article, we will take a look at where ECAS3 is used and its working principle.

Application field

Due to its small size and low resistance, ECAS3 is suitable for many demanding applications, such as wireless communication, radio frequency and microwave, test equipment, and medical device, etc. In these areas, precise attenuation control and small footprint are major concerns. ECAS3 is an ideal choice to provide solutions to them.

Working Principle

ECAS3 is based on Thin Film technology. With this technology, the design engineer can determine the deposition thickness of the film to achieve superior thermal and electrical properties. The resistive metal films are then screened into the desired design. The entire assembly is then hermetically sealed in an ultra-small package with the epoxy encapsulation. This provides protection against humidity and dust, and ensures the consistent performance across a wide range of operating conditions.

ECAS3 consists of two resistors and a capacitance biased in series, thus forming a 3-pole high pass filter circuit. These three components work together to reduce the amplitude of a signal as it passes through the filter. The two resistors attenuate the signal’s amplitude, while the capacitance acts to provide a high-frequency cutoff for the filter.

In summary, AT0603T08ECAS3 (ECAS3) is one of the most popular Thin Film-based attenuators in current industry. Its small package and superior thermal and electrical properties make it an ideal choice for many demanding applications, such as wireless communication, radio frequency and microwave, test equipment, and medical device. ECAS3 works by working together two resistors and a capacitance with epoxy encapsulation, thus achieving accurate attenuation control.

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