TPSA475M020R1800

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	TPS
ESR (Equivalent Series Resistance):	1.8 Ohm
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are one type of electrolytic capacitors, which are generally much smaller than the other types, making them useful in portable electronics and other circuits with high space constraints. The TPSA475M020R1800 is a surface mounted multilayer tantalum capacitor which features high capacitance and low ESR in a very small size.

Applications

TPSA475M020R1800 tantalum capacitors are used in a variety of electronic systems to provide energy storage and filtering applications. They have many applications in automatic equipment, digital circuits, liquid crystal display radio and television systems, automotive electronics, medical devices, engines and power supplies.In particular, TPSA475M020R1800 capacitors canFilter frequencies in high efficiency power converters, providing higher switching frequency capabilities and improved performance of the system. These may also be used in DC-DC converters, allowing for stable, efficient power conversion. The unique structure of these tantalum capacitors gives them high temperature stability, which is critical in mobile applications that operate at extreme temperatures.

Working Principle

Tantalum capacitors are uniquely designed capacitors utilizing niobium or tantalum metal along with an electrolytic solution to store electrical energy. The TPSA475M020R1800 capacitor features a three-layer structure which consists of a tantalum anode, dielectric layer, and a conductive nickel-barrier cathode. The dielectric layer is an organic polymer film, providing superior levels of stability and performance in comparison to other electronics components. When connected to an electrical circuit, the surface mounted tantalum capacitor functions by utilizing a surface-mounted dielectric film to store a charge in the form of electrical current, allowing electrons to flow through the circuit. This results in a decrease in resistance and helps filter out unwanted noise. As the electrolytic solution functions as an electrolyte, it also provides a barrier between the two metal plates, making the capacitor more resistant to oxidation and corrosion. This also affords the capacitor increased stability at high temperatures and improved performance in extreme conditions.

Conclusion

The TPSA475M020R1800 is one of many different types of tantalum capacitors, offering high capacitance and low ESR values in a very small size. Its unique three-layer design affords superior levels of stability and temperature resistivity, making it a great choice for use in mobile applications or other electronic systems that require high levels of performance in extreme conditions. Thanks to its comfortable size, reliable design, and long-term performance, the TPSA475M020R1800 is a popular and versatile choice for manufacturers who need a reliable and affordable solution for energy storage and filtering applications.

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