T495D686M020ATE150

Series:	T495
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Molded
ESR (Equivalent Series Resistance):	150 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
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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Tantalum Capacitors - T495D686M020ATE150 Application Field and Working Principle

Tantalum capacitors are an important category of capacitors that are widely used in a variety of electronic components and devices. Compared to other dielectric materials, they offer higher capacitance, better efficiency, and greater reliability. The particular model, T495D686M020ATE150, is a surface mount, dipped-tantalum surface mount capacitor manufactured by Kemet.

What is a Tantalum Capacitor?

A tantalum capacitor is an electronic component that is composed of a tantalum anode, a manganese dioxide cathode, and an electrolytic liquid as the electrolyte. It is similar to other capacitors in that it has two metallic plates separated by a dielectric material. However, what sets it apart is its unique combination of electrodes and electrolyte. Tantalum capacitors are known for their high capacitance, high reliability, and low-temperature operation. They are also very small in size and can fit in tight spaces where other types of capacitors can’t. In addition, tantalum capacitors are very stable and can maintain their parameters under varying environmental conditions.

T495D686M020ATE150 Application Field

The T495D686M020ATE150 tantalum capacitor is a surface mount dipped-tantalum capacitor made by the manufacturer Kemet. It is mainly used in a variety of applications such as high frequency circuit, computer monitor system, and other DC voltage regulation circuits. It is a surface mounted capacitor with a low profile profile that is ideal for use in situations where height is a concern. This allows for a greater circuit density on a circuit board and allows for easier routing. In addition, this type of capacitor has a low ESR at high frequency and is a good choice for high frequency applications.

T495D686M020ATE150 Working Principle

The T495D686M020ATE150 capacitor operates on the principle of an electrical double-layer charge storage. In this system, a dielectric oxide film is used to separate the anode and cathode, which creates two electrical double layers at the opposite ends of the capacitor. When a voltage is applied to the cathode and anode, free electrons are transported across the dielectric layer and charge is stored on both sides of the capacitor. As the voltage is discharged, the electrons travel back across the dielectric and the charge is returned to the original source. This creates an alternating current (AC) signal, which is the function of a capacitor. The T495D686M020ATE150 is a high reliability tantalum capacitor, with 100 mV ripple current and 10 mV ESR rating. Additionally, it has an operating temperature range between -55°C to +125°C and a capacitance of 0.047µF.

Conclusion

The T495D686M020ATE150 is a high-reliability, low-profile surface mount capacitor designed for use in a variety of electronic devices. It uses a tantalum anode, manganese dioxide cathode, and electrolytic liquid as the electrolyte and is capable of handling high frequency applications. In addition, it has a low ESR at high frequencies, making it an ideal choice for use in high frequency circuits.

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