T520V157M006ASE040

Series:	KO-CAP® T520
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	150µF
Tolerance:	±20%
Voltage - Rated:	6.3V
Type:	Molded
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.075" (1.90mm)
Lead Spacing:	--
Manufacturer Size Code:	V
Ratings:	--
Features:	General Purpose

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Tantalum - Polymer Capacitors

Tantalum - Polymer capacitors, known as polymer-tantalum hybrids or hybrid capacitors, are a type of capacitor that combines the capacitance and stablility of a polymer solid electrolyte with tantalum\'s low-ESR and high-quality factor. Generally speaking, these hybrid capacitors usually consist of a sintered anode, a dielectric layer, and a conductive polymer electrolyte, often with a metallic casing for external electrical connection to the terminals.The most common class of polymer-tantalum capacitors are those with T520V157M006ASE040. Specifically designed for use in high-frequency applications, these capacitors are inherently resistant to vibration, acoustic noise, and temperature change, thus providing high reliability and stability. Moreover, they have extremely low ESR values and excellent frequency characteristics, making them ideal for high-frequency applications. Typical fields of application of a T520V157M006ASE040 include power supplies, digital circuits, audio, and communications.The working principle of a polymer-tantalum hybrid is based on the fact that the capacitance of the capacitor is inversely proportional to the applied voltage. When a voltage is applied to the capacitor, an electric circuit is formed, and a current—known as displacement current—flows through it, charging the capacitor and thus increasing its capacitance. The dielectric layer acts as a barrier between the electrodes, preventing the charge from passing through. As the voltage increases, the displacement current also increases, resulting in an increased capacitance.At the same time, the dielectric layer also acts as a dielectric, allowing the electrical energy stored in the form of electric field to be released. This energy is used to charge and discharge the capacitor, and when the capacitor reaches the peak of its charge, the energy is dissipated, resulting in a constant electrical energy flux.The characteristic of a T520V157M006ASE040 is mainly determined by its capacitance, high rated voltage, and high frequency characteristics. The capacitance of the capacitor is proportional to the applied voltage and inversely proportional to the frequency of the applied voltage. This means that it has a very high capacitance at low frequencies and a lower capacitance at high frequencies. The high rated voltage means that it can store more energy in the same amount of volume, and the high frequency characteristic means that the capacitor has a fast response time. Moreover, the T520V157M006ASE040 has excellent temperature stability and transient response. The dielectric layer also acts as a buffer between the electrodes, preventing the capacitor from overheating or breaking down due to voltage spikes. This makes it suitable for use in a variety of environments, such as medical and aerospace applications.Overall, polymer-tantalum capacitors, such as the T520V157M006ASE040, are an incredibly useful and versatile type of capacitor. They are highly reliable, stable, and have excellent frequency characteristics. They are frequently used in high-frequency applications, such as power supplies, digital circuits, audio, and communications, as well as in medical and aerospace applications.

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