TPD3F303DQDR Filters

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Electromagnetic interference (EMI) and radio frequency interference (RFI) filters are critical components in most electronic systems. They serve to attenuate high frequency signals, providing some isolation between the system\'s electronic components and the external environment. The TPD3F303DQDR is a surface mount EMI/RFI filter that belongs to the LC or RC networks class of filter components.

This particular model was designed with automotive applications in mind, as it is capabable of providing the necessary isolation while dealing with even the harshest environmental conditions. It has an operating temperature range of -40 ºC to +105 ºC, and is designed to meet AEC-Q200 standards, providing the necessary EMI/RFI suppression up to 150MHZ. Moreover, its resistance to mechanical shock and vibration is extraordinary, due to its robust design, surpassing the stringent requirements of AEC-Q200.

In order to understand how this filter works, it is necessary to understand the basics of RC and LC type filters. RC or resistor/capacitor type filters are comprised of two components, a resistor and a capacitor. The capacitor is used to block direct current (DC) signals while allowing the alternating current (AC) signals pass through, providing the necessary amount of noise attenuation. The resistor is used to limit the current that passes through the filter.

On the other hand, an LC filter is composed of inductor coils and capacitors, and works similarly to the RC filter by providing an impedance for high frequency AC signals, while allowing them to be attenuated. The use of inductor coils provides extra attenuation on higher frequencies, making them ideal for higher-frequency noise attenuation applications.

The TPD3F303DQDR, being a surface mount device, is easy to install and requires minimal board space. It’s design is based on the RC filter type, and the use of high-dielectric-strength ceramic capacitors adds extra isolation from external noise. It also features a triple-shield design, which adds additional attenuation on all common mode and differential mode frequencies up to 150MHz. Its typical insertion loss is -40dB, minimizing signal attenuation and resulting in optimal noise reduction.

This filter is an ideal option for systems where high levels of EMI/RFI suppression is required, particularly those operating in harsh environments. Its triple-shield design and high-dielectric-strength ceramic capacitors make it ideal for automotive applications, where robust performance and long-term reliability are essential.

The specific data is subject to PDF, and the above content is for reference