T540B107K003DH87107280

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Tantalum - Polymer Capacitors

T540B107K003DH87107280 is a common type of tantalum - polymer capacitor. It is a multi-layer chip capacitor with insulated anode and cathode devices. Its component structure contains an anodized tantalum electrode, a dielectric oxide layer, a dielectric polymer layer, and a conductive cathode electrode. This type of capacitor has become increasingly popular in recent years due to its low cost, high temperature resistance, stability, and superior performance to other similar types of capacitors.

Application Field and Working Principle

The T540B107K003DH87107280 is mainly used as a decoupling capacitor in electronic circuits. Its primary application is to provide a low impedance path for high frequency signals, reducing circuit sensitivity to noise induced by other electrical components. As a consequence of its dielectric construction, it is able to maintain its capacitance over a broad range of temperature, reducing the need for re-calibration or resetting of the circuit. Its working principle is based on the measure of the current through the device, when an external voltage is applied across its terminals, with an AC current applied to it.

When AC current is placed on its terminals, the polymer layers inside the capacitor are polarized and the current is transferred across the layers until it reaches the electrodes. The capacitance is then measured by applied voltage and frequency of the AC signal. As such, the capacitance of the T540B107K003DH87107280 remains largely unchanged from placed voltage, frequency and temperature.

The T540B107K003DH87107280 is mainly used in low power systems, including decoupling of power sources, buffer for high frequency signals, power line noise suppression, and interference rejection. Its high temperature operation and stability makes it useful for high reliability applications, such as automotive electronics and avionics.

The T540B107K003DH87107280 is also used in very high frequency applications, such as high power amplifiers, direct current (DC) to DC conversion, and voltage regulation. Additionally, in the automotive industry, this type of capacitor is commonly used in stability circuits, fuel injection controls and spark plug ignitions. Because it is able to withstand temperatures up to 125 degrees Celsius, the T540B107K003DH87107280 is also used in high temperature applications such as microwaves and satellite systems, where extreme temperatures can be encountered.

In addition to its applications in high frequency and high temperature operations, this type of capacitor is also used as a bypass and coupling capacitor. The bypass capacitor reduces the effects of power supply noise on sensitive components, while the coupling capacitor is used to transfer the input signal from one electronic device to another.

The T540B107K003DH87107280 is a reliable, efficient, and low cost capacitor, making it an ideal choice for an array of commercial and industrial applications. It is an essential component for many high frequency and high temperature applications, ranging from automotive systems to satellite communications.

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