T97R686M025CSA

Series:	TANTAMOUNT®, T97
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	25V
Type:	Conformal Coated
ESR (Equivalent Series Resistance):	100 mOhm
Operating Temperature:	-55°C ~ 85°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	3024 (7660 Metric)
Size / Dimension:	0.299" L x 0.236" W (7.60mm x 6.00mm)
Height - Seated (Max):	0.157" (4.00mm)
Lead Spacing:	--
Manufacturer Size Code:	R
Ratings:	COTS
Features:	High Reliability
Failure Rate:	--

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Introduction to Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are a type of capacitors that use tantalum as the anode, and an electrolytic solution, such as aqueous salt or alcohol, as the dielectric. Tantalum capacitors are generally more reliable than ceramic capacitors for large capacitance values due to their greater energy-storage capabilities. They are also more resistant to temperature extremes, a major issue in military and aerospace applications.

T97R686M025CSA and its Applications

The T97R686M025CSA is a surface-mount tantalum capacitor designed for use in a number of industrial and commercial applications. It features a low ESR (equivalent series resistance) and is hermetically sealed for protection from environmental contaminants. Typical applications include power supplies, switching circuits, motor drives, and more.

Working Principle of T97R686M025CSA

Tantalum capacitors work by implementing a porous tantalum anode and an electrolytic solution as the dielectric. The porous anode ensures that the electrolyte is separated from the substrate. The electrolyte is charged, forming an ionic barrier between the two materials. The basic principle of operation for a tantalum capacitor is that when a voltage is applied across the two terminals, the current between them creates an electric field that draws the ions of the electrolyte together. The resulting repulsive force pushes the charge-neutralizing electrons away from the ionic charge and creates an electric field on the capacitor. This field facilitates the storage of charge and allows the capacitor to store energy for a sustained period of time. When the capacitor is discharged, the charge surfaces attract ions from the electrolyte and cause them to move back to their original positions, thus restoring the capacitor’s original charge.

Advantages of T97R686M025CSA

The T97R686M025CSA offers several advantages over other types of capacitors:

• Low ESR rating for improved performance
• Hermetically sealed to protect against environmental contaminants
• High tolerance for voltage variations
• High temperature performance
• Low leakage current for improved reliability

T97R686M025CSA capacitors are also available in a wide range of sizes and capacitance values. This makes them ideal for a wide variety of applications, from medical and automotive to military and avionics.

Conclusion

Tantalum capacitors have long been a popular choice for a variety of industrial and commercial applications due to their high temperature performance, low leakage current, and wide selection of sizes and capacitance values. The T97R686M025CSA is a surface-mount tantalum capacitor designed for reliable operation in numerous applications. Its low ESR rating and hermetically sealed design offer superior performance and protection against environmental contaminants.

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