TCFGA1C685M8R

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:	16V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to Tantalum Capacitors

Capacitors are ubiquitous components in a wide variety of electronic circuits. They are classified according to their construction and purpose; tantalum capacitors, for example, are a particular type of capacitor whose features and properties make them a great choice for many uses. This article provides an overview of the tantalum capacitor, its TCFGA1C685M8R application field and working principle, as well as its advantages and drawbacks.

What is a Tantalum Capacitor?

A tantalum capacitor is a type of electrolytic capacitor with a tantalum anode, an electrolyte containing molten electrolyte salts, and two tantalum oxide layers as the dielectric and cathode, respectively. It is a non-polarized device, and being a type of electrolytic capacitor, it is classified as a polarized electrolytic capacitor (due to the quick rise in voltage needed for charging). Tantalum capacitors are small in size, making them particularly suitable for many compact electronic circuits.

TCFGA1C685M8R Application Field and Working Principle

The TCFGA1C685M8R is a surface mount, tantalum capacitor designed for high capacitance and low ESR (equivalent series resistance). It is suitable for applications across a wide range of power and signal circuits, ranging from power supply input filtering and bypassing to signal decoupling and charge storage. Tantalum capacitors work on the basis of electric double layer formation in which a layer of positive ions is formed on the surface of the anode (tantalum), and a layer of negative ions is formed on the surface of the cathode (tantalum oxide). As the applied voltage increases, the electric double layer thickens, which increases the capacitance between the anode and cathode. In this way, the TCFGA1C685M8R is able to store and transfer charge quickly and efficiently.

Advantages and Disadvantages of Tantalum Capacitors

Tantalum capacitors offer a number of advantages compared to other types of capacitors. Their compact size makes them well-suited for use in small electronics, while their high capacitance and low ESR makes them ideal for power and signal circuits. They also have a low temperature coefficient of capacitance, meaning that they are relatively stable when used in circuits with varying temperatures. However, tantalum capacitors also suffer from certain drawbacks. As with any electrolytic capacitor, tantalum capacitors can be prone to leakage current and breakdown under sustained or high-frequency voltage. Additionally, due to their non-polarity, they generally have a lower working voltage than other types of capacitors. Finally, due to their brittle construction and corrosive electrolyte, they require careful selection and handling to ensure long-term reliability.

Conclusion

In conclusion, tantalum capacitors offer a number of advantages in terms of power and signal circuits, such as high capacitance and low ESR. The TCFGA1C685M8R surface mount tantalum capacitor is a great example of this type of capacitor, designed to provide long-term reliability and performance. That said, tantalum capacitors do suffer from certain drawbacks, including leakage current, lower working voltage, and brittleness. Regardless, they remain a popular choice for many applications and electronic circuits.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description