W3F15C2238AT1F Filters

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W3F15C2238AT1F application field and working principle

Feed-through capacitors, also known as board-level capacitor, are ceramic capacitors with one end soldered inside a circuit board while the other end runs through the board so that it can be accessed from the outside. Its basic principle of operation is to provide a capacitance between two points placed at a considerable distance, that has to be as low as possible, or through its conductive properties, to generate a specific capacitive element between two points.

The W3F15C2238AT1F multilayer ceramic feed-through capacitor is a small, high performance, surface mount ceramic capacitor. It is widely used in a variety of fields, ranging from communications to automotive applications. The capacitor is rated for a temperature range of -55°C to +125°C and has a working voltage of up to 25V.

The W3F15C2238AT1F capacitor is made of a combination of anisotropic conductive polymer layers that are covered by a metal layer, along with other ceramic layers. This combination allows it to have an extremely low inductance as well as high capacitance and a working frequency beyond 16 GHz. This makes it the ideal choice for applications requiring high frequency performance.

The capacitance of the W3F15C2238AT1F is relatively high and it has a low ESR (Equivalent Series Resistance) which helps reduce losses in power applications. Furthermore, it can easily withstand high pulse currents and is also resistant to high voltage transients. The high frequency characteristics of the feed-through capacitor make it suitable for high speed digital, RF and microwave applications.

Another benefit of the W3F15C2238AT1F is its ability to offer good decoupling noise immunity, which is essential for signaling applications. The lead-in/lead-out pads are conductive, which makes it possible to cascade multiple capacitors without increasing the inductance. The capacitor is also often used to reduce the unwanted noise that is generated by power supplies.

The working principle of the W3F15C2238AT1F multilayer ceramic feed-through capacitor is relatively simple. The dielectric layer that is placed between the two conductive layers acts as an insulating barrier, allowing electrical charges to only travel through the capacitance. The metal layers, which are separated by the dielectric layers, serve to collect and conduct the electrical current, creating a large capacitance between the two points. This makes it possible to reduce the amount of energy lost due to high frequency transients, improving overall circuit performance.

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