T520T476M006ATE070

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	T
Lead Spacing:	--
Height - Seated (Max):	0.047" (1.20mm)
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):	70 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	47µF
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 (T520T476M006ATE070) are solid electrolyte capacitors with a high level of electrical performance and reliability. They are widely used in consumer electronics, automotive, and industrial applications. They are designed to reduce electrochemical migration and provide excellent performance in extreme temperatures, vibration, and shock environments.

Features and Benefits

Tantalum - Polymer Capacitors have several advantages over other types of capacitors. They are:

• Long life expectancy: typically 2000-5000 hours
• Low ESR and ESL values: lower than other capacitor types, this maximizes power handling capabilities
• High capacitance density: denser than other capacitor types, and higher capacitance for a given size
• Low cost for high capacitance values: vacuum aluminum electrolytes can provide higher capacitance ratings than most aluminum electrolytes
• High temperature range: operating temperature range is between -55 degrees Celsius and +105 degrees Celsius
• Excellent frequency response: due to its low ESR and ESR characteristics, it offers superior performance at high frequencies
• Excellent solderability: excellent electrical and thermal performance
• Robust construction: designed with a high moisture tolerance

Application Field

Tantalum - Polymer Capacitors are ideal for a variety of applications, including:

• Power Supply Units: The capacitors are suitable for use in power supply circuits, providing superior power storage and distribution.
• Communication Systems: For applications where high frequency signals are present and must be filtered, these capacitors are ideal.
• Automotive Electronics: Tantalum - Polymer Capacitors provide the ability to withstand high temperatures, vibration, and acceleration shocks.
• Industrial Controls and Robotics: For applications requiring precise timing and reliability, Tantalum - Polymer Capacitors are the perfect choice.
• Consumer Electronics: These capacitors are also used in high demand electronics, such as laptop computers and cell phones.

Working Principle

The working principle of a tantalum - Polymer Capacitor is based on the physical properties of the tantalum - polymer electrolyte. Tantalum - Polymer Capacitors incorporate a dielectric layer of polymer between two sheets of foil electrodes. The polymer in the dielectric is a mixture of low-temperature cured and heat-saturated monomers. This forms a polymer network with very low dielectric constant and very high resistance to leakage current.The layer of dielectric material forms an effective barrier between the anode and the cathode electrodes to reduce the electrode polarization, minimizing the premature breakdown effect. The polymer is highly resistant to diffusion, thus providing improved stability and reliability against temperature, vibration, and shock. The tantalum - Polymer Capacitors are designed to provide the highest possible capacitance-to-size ratio. The capacitors are designed to operate within a wide range of temperatures, operating at excellent frequencies and providing solderability and robustness. In addition, the tantalum - Polymer Capacitors are highly resistant to electrochemical migration. This feature helps to improve their performance over long periods of time, providing a reliable capacitor design for a long lifespan.

Conclusion

Tantalum - Polymer Capacitors offer excellent electrical performance and reliability in a range of applications. They are suitable for use in power supplies, communication systems, industrial controls, robotics, and consumer electronics. The physical properties of the tantalum - polymer electrolyte provide the capacitor with low ESR and ESL values, high capacitance density, and a low cost for high capacitance values. The dielectric material reduces the electrode polarization and provides improved stability and reliability against temperature, vibration, and shock. The tantalum - Polymer Capacitors are highly resistant to electrochemical migration, making them an ideal choice for long-term applications.

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