T520B157M004ATE040 Capacitors

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 105°C
Series:	KO-CAP® T520
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum - Polymer Capacitors: T520B157M004ATE040 Application Field and Working Principle

Tantalum-polymer capacitors are a subcategory of tantalum-based surface-mount capacitors that use a polymer surface mount construction. They are commonly found in a variety of commercial and industrial applications, including energy storage, power supply filtering, and power conversion. The T520B157M004ATE040 is a popular part in this category. In this article, we will discuss the application field and working principle of this particular capacitor.The T520B157M004ATE040 is a polymer construction surface-mount capacitor, which is used primarily as a filter capacitor in DC-DC power supplies, as well as other high power and high frequency applications. It is designed to filter out unwanted noise and voltage transients, and will provide improved power conversion efficiency. Its temperature range is -55°C to +105°C, and its operating voltage range is 2Vdc to 16Vdc. Its rated capacitance is 470µF, and its dissipation factor is 2.6%.The T520B157M004ATE040 utilizes tantalum as the dielectric material, which provides a higher capacitance than the conventional electrolytic capacitors. It also offers improved temperature stability, lower ESR (Equivalent Series Resistance), higher reliability, and longer life expectancy. It also has a lower leakage current and a lower self-discharge rate. As a result, the T520B157M004ATE040 is often favored in applications that require both high current carrying capability coupled with a high filtering efficiency.The working principle of the T520B157M004ATE040 is based on the principle of electrostatic induction. When a voltage applied to the two terminals of the capacitor causes an electric field to form between them. This electric field induces electric charges to flow from the negative terminal to the positive terminal of the capacitor, creating an electric current. A simple equivalent circuit of the capacitor consists of a resistance in series with a capacitor. The resistance represents the parasitic effects of the dielectric, leads, and other factors; while the capacitance represents the electrical capacity of the component.The T520B157M004ATE040 offers excellent performance in high frequency applications, as its low ESR and inductance reduce frequency shifting. In addition, its high noise rejection ensures improved signal quality. Furthermore, its high reliability makes it suitable for applications where component failure could cause significant damage or loss of data. The T520B157M004ATE040 is a versatile component that can be used in a variety of applications, including power supplies, switching converters, DC-DC needs, and audio filtration. Its high capacitance and low ESR make it an ideal choice for a number of power supply designs. Its excellent temperature stability makes it perfect for use in high temperature applications. Furthermore, its excellent noise resistance and capacitive filtering capabilities make it a superior solution for signal integrity in high noise environments.Overall, the T520B157M004ATE040 is an excellent choice for a variety of applications. It offers high capacitance, low ESR, noise immunity, and excellent temperature stability. Its high reliability and long life expectancy make it an ideal choice for a number of power supply designs, and its excellent filtering capabilities make it ideal for signal integrity requirements. As such, the T520B157M004ATE040 is an ideal solution for many different applications.

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