T495D476M010ATE200

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
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 @ 125°C
Series:	T495
ESR (Equivalent Series Resistance):	200 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Tantalum Capacitors

Tantalum capacitors are specialized components used in electronics and electrical engineering applications. They are characterized by their small size, low profile, and high capacitance values. The typical “T-Series” capacitors come in different sizes with different capacitance values ranging from 0.15 to 50,000uF. The T495D476M010ATE200 is a high-temperature, radial leaded capacitor with a capacitance value of 4.7uF. This type of capacitor is commonly used in automotive, medical, and telecommunications applications.

The Construction and Working Principle of Tantalum Capacitors

Tantalum capacitors are constructed from a solid electrolyte paste, a tantalum oxide dielectric, and two leads for external connection. The electrolyte paste is made from a tin oxide (SnO2) paste which is applied to the two leads. This paste is then heated and reacted with a tantalum powder to form a thin dielectric film. The dielectric film is then sandwiched between two metal layers, creating a two-layer capacitor. The electrical principle behind a tantalum capacitor is the same as that of other capacitors. When a voltage is applied to the two external connections, a small amount of current (known as the “leakage current”) flows through the dielectric film, creating a charge imbalance across the capacitor. As the voltage decreases, the electrical field between the two plates weakens, and the charge dissipates from the capacitor.

The Advantages and Disadvantages of Tantalum Capacitors

Tantalum capacitors offer a number of advantages over other types of capacitors, including their small size, low profile, and high capacitance values. They also have a longer life expectancy than many other types, and are less prone to leakage due to their solid dielectric material. The main disadvantage of tantalum capacitors is their relatively high cost. This is due to the fact that tantalum is a rare and expensive material, and the manufacturing process is more complex than other types of capacitors. Additionally, they must be handled with care due to their fragile nature.

The T495D476M010ATE200 Tantalum Capacitor

The T495D476M010ATE200 is a radial leaded tantalum capacitor designed for use in extreme temperature environments. It has a capacitance of 4.7 uF, a dissipation factor of 4%, and a working voltage of 10V. It is constructed from a solid tantalum oxide dielectric, a tin oxide paste, and two external connections. Due to its high temperature rating, it is commonly used in automotive, medical, and telecommunications applications.

Conclusion

Tantalum capacitors are specialized components used in electronics and electrical engineering applications. The T495D476M010ATE200 is a radial leaded capacitor with a capacitance value of 4.7uF and a working voltage of 10V. It is commonly used in automotive, medical, and telecommunications applications due to its high temperature rating and superior performance. Tantalum capacitors offer a number of advantages over other types of capacitors, including their small size, low profile, and high capacitance values. However, they are also more expensive than other types, and must be handled with care due to their fragile nature.

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