TPMD477M004R0025

Series:	TPM
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	470µF
Tolerance:	±20%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	25 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
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):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Features:	General Purpose
Failure Rate:	--

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Introduction to TPMD477M004R0025

TPMD477M004R0025, a component with the highest technology and performance, is one of the most popular and best-selling components in the tantalum capacitor series. It is a four-terminal, three-section component, with a low-DF (DF≤15%) characteristic and a reduced clearance of 0.025mm, so it is highly reliable. In addition, its superior electrical characteristics make it suitable for a wide range of applications.

Applications of TPMD477M004R0025

TPMD477M004R0025 is widely used in industrial systems, medical devices, automotive electronics and military applications. Due to its higher conductivity and non-destructive characteristics, it is suitable for many applications, such as audio power amplifiers, medium voltage regulators, power supplies, LED lighting and so on. Besides, its capacitor elements can provide higher capacitance and lower RF leakage compared to other components, making it the perfect choice for high-performance systems.

Working Principle of TPMD477M004R0025

The TPMD477M004R0025 works by storing electrical charge in two opposite electrodes, called the anode and cathode. Its dielectric layer is made of oxide, and acts as an insulator between them. When a voltage is applied across the two electrodes, the electric field generated by the voltage causes a displacement of electrons, which leads to the storage of electric charge. This charge remains stored until the voltage is removed, at which point the stored charge is released. The TPMD477M004R0025 also has excellent anticorrosive properties, due to its use of a special electrolyte in the capacitor layer. This electrolyte helps to produce a stable, long-lasting charge in the capacitor’s dielectric layer, which prevents any build-up of oxidation, or other similar processes that could cause premature failure.

Conclusion

TPMD477M004R0025 is a four-terminal, three-section component, with low-DF and excellent anti-corrosive properties. It is widely used in industrial systems, medical devices, automotive electronics and military applications, due to its higher conductivity and non-destructive characteristics, and its ability to provide higher capacitance and lower RF leakage compared to other components. It works by storing electrical charge in two opposite electrodes, and its dielectric layer, which acts as an insulator between them, is made of oxide. The special electrolyte used in the capacitor layer gives it excellent anticorrosive properties, providing stability and long-lasting charge.

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