TCFGA0J685M8R

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	Fail Safe with Built-in Fuse
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:	TCFG
ESR (Equivalent Series Resistance):	--
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Tantalum Capacitors

Tantalum capacitors are one of the most popular types of capacitors due to their high capacitance-to-volume ratio and relative simplicity compared to other types of capacitors. They are used in a variety of applications ranging from consumer electronics to medical devices. The most popular application of tantalum capacitors is for filtering and bypassing of sensitive electronic circuits. In this article, we will discuss the application field and working principle of TCFGAOJ685M8R tantalum capacitors.

Overall Description of Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are capacitors that are usually made up of a tantalum metal oxide dielectric layer, with a tantalum wire lead anode and a tantalum wire with solder or tin foil as a cathode. The tantalum film acts as the dielectric medium, allowing electrons to flow through it.The main difference between tantalum capacitors and other types of capacitors is that they have a higher ability for charge storage when compared to other types of capacitors. This is due to the tantalum\'s higher concentration of positive charge, or “pseudocapacitance”, at a given voltage. The charge density, or capacitance, of a tantalum capacitor is expressed in capacitances (farads), which can range from 0.1µF to 1F depending on its size.

Application Field of TCFGAOJ685M8R

TCFGAOJ685M8R is a type of polarized tantalum capacitors with a voltage rating of 25V and 0.5F capacitance. These capacitors are mostly used in industrial and medical applications that require high capacitance-tolerance and stable performance over a wide range of temperatures.In industrial applications, TCFGAOJ685M8R capacitors are typically used as bypass capacitors, meaning they can store charge to help stabilize power supply fluctuations or reduce noise in the circuit. They are also commonly used in power conversion circuits, filters, and pulse forming networks.In medical applications, TCFGAOJ685M8R capacitors are used as vital components in patient monitoring systems, imaging equipment, and hearing aids. These capacitors are highly reliable and have excellent temperature and moisture resistance, making them ideal for such applications since any failure can cause serious consequences.

Working Principle of TCFGAOJ685M8R

The working principle of TCFGAOJ685M8R tantalum capacitors is similar to other types of capacitors. The dielectric layer is placed between two conductive plates, the anode and the cathode. When a voltage difference is applied across the dielectric layer, electrons are drawn to the anode plates, forming a positive charge on the anode and a negative charge on the cathode. This accumulation of charges creates a separation of the charge, which is the mechanism of capacitance.When the voltage is removed, the charges remain and act as a storage container for energy. As the voltage is assigned again, the charge stored is released, increasing or decreasing the capacitance depending on the direction of the voltage applied.

Conclusion

TCFGAOJ685M8R tantalum capacitors are highly reliable and versatile capacitors that are used in a wide range of applications. Thanks to their high capacitance-to-volume ratio and excellent temperature and moisture resistance, they are ideal for use in industrial and medical applications. Their working principle is similar to other types of capacitors and involves the separation of charges between two conductive plates, resulting in the generation of a capacitance.

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