W2A45A470KAT2A

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Capacitor Networks, Arrays and the W2A45A470KAT2A are all options when it comes to simple and reliable energy storage solutions. This article will explain the application field and working principle of this particular component.

What are Capacitor Networks?

A capacitor network is a group of capacitors arranged in parallel and/or series. It is a solution to achieve the objectives of energy storage, power dissipation, and input impedance stabilization.

Capacitor networks can effectively reduce the component count and complexity of any system, which can be a great cost save in dense systems. They make excellent choices for equipment that often experiences loud noises due to fast switching signals, where a single capacitor would fail. The capacitor network will help protect the system from such signals.

W2A45A470KAT2A Components

The W2A45A470KAT2A is a three-terminal capacitor array comprising four individual 0.47uF, 20V, 4×0.75mm pitch, surface mount ceramic capacitors, referred to as \'D1 type\' components. It is characterized to provide a +/- 1.5% tolerance over a specified temperature range of -55°C to +125°C, as well as a minimum application voltage of 16V.

This three-terminal capacitor array provides excellent thermal stability, permitting a high level of reliability. It also has a wide operating temperature range and a low equivalent series inductance (ESL), making the W2A45A470KAT2A capacitor array an ideal choice for applications where an EMI filter is needed.

Application Field of the W2A45A470KAT2A

The W2A45A470KAT2A capacitor array is ideal for power supplies, telecommunications systems, audio/visual systems, computer systems, and many other electronic applications that require a stable voltage source. This component is also adept at providing EMI filtering over a wide frequency range and can withstand high current and power dissipation.

As a capacitor network, the W2A45A470KAT2A is especially useful in DC-DC converters, EMI/RFI filtration and coupling, decoupling and bypassing applications. It can also serve as a power-on reset and as an AC-line bypass capacitor.

Working Principle of the W2A45A470KAT2A

The W2A45A470KAT2A capacitor array is composed of four capacitors connected in parallel with each other. Each individual capacitor has the same capacitance, which, in this case, is 0.47uF, with a 20V rating. Connecting the four capacitors in parallel increases their overall current-handling capability and creates an even lower effective series inductance (ESL).

When an AC or DC voltage is applied to the W2A45A470KAT2A capacitor array, a current will flow through the capacitors in parallel and be distributed among them. This current is used to store energy and regulate the voltage that is passed through the network. The capacitors will also help reduce EMI noise over a wide frequency range, ensuring that the system is properly protected from electromagnetic interference.

Conclusion

The W2A45A470KAT2A three-terminal capacitor array is a reliable and cost-effective solution for energy storage, power dissipation, and input impedance stabilization. It can also reduce the component count and complexity of any system, while providing efficient EMI filtering over a wide frequency range. Finally, it has a wide operating temperature range and a low equivalent series inductance (ESL). This makes it an ideal choice for DC-DC converters, EMI/RFI filtration and coupling, decoupling and bypassing applications.

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