T520W227M004ATE040

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	W
Lead Spacing:	--
Height - Seated (Max):	0.059" (1.50mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 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:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum – Polymer Capacitors

Tantalum polymer capacitors, also known as tantalum – polymer capacitors or polymer tantalum capacitors, are becoming increasingly popular among design engineers due to their impressive features. As the name suggests, these components consist of two key materials: tantalum, a rare, silver-grey transition metal, and a special polymer substrate.Tantalum – polymer capacitors are mainly used for their high capacitance and low ESR (equivalent series resistance). Compared to multi-layer ceramic capacitors (MLCCs), their ESR values can be up to 50 times lower, which is especially beneficial for high-performance applications where maintaining high quality current is important. The high capacitance of the components allows them to store more energy in a small form factor, thus making them suitable for use in high-power applications such as instrumentation and telecommunications.The T520W227M004ATE040 is a tantalum – polymer capacitor commonly used in commercial and industrial applications. This component has a capacitance of 0.227 μF, a working voltage of 16 VDC, and a tolerance of ±20%. It has a temperature range of -55°C to +125°C, and a wide range of operating currents. It is also RoHS compliant, making it suitable for use in a wide range of applications.The working principle of a tantalum – polymer capacitor is fairly simple. This type of capacitor has two layers, an anode and a cathode. The anode is a solid sheet of tantalum metal, while the cathode is a solid sheet of a conducting polymer. When an AC voltage is applied to the terminal, current will flow between the two layers, resulting in a storage of electrical energy. This storage of energy is known as the capacitance of the capacitor.In addition to their impressive ESR and capacitance values, tantalum – polymer capacitors also have the advantage of being lead-free, small in size and light weight. This makes them ideal for use in portable applications or miniaturized circuits. Additionally, they have very low leakage current and excellent long-term stability and reliability.Overall, the T520W227M004ATE040 tantalum – polymer capacitor is an ideal choice for use in a wide range of commercial and industrial applications. It offers high capacitance, low ESR, lead-free construction and excellent long-term stability and reliability. Its small size and light weight also make it an excellent choice for use in portable applications or miniaturized circuits.

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