F921A226MBA

Series:	F92
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Tolerance:	±20%
Voltage - Rated:	10V
Type:	Molded
ESR (Equivalent Series Resistance):	1.9 Ohm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	1411 (3528 Metric)
Size / Dimension:	0.134" L x 0.110" W (3.40mm x 2.80mm)
Height - Seated (Max):	0.094" (2.40mm)
Lead Spacing:	--
Manufacturer Size Code:	B
Features:	General Purpose
Failure Rate:	--

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Introduction
Tantalum capacitors are widely used in electronic circuits due to their very high electrical conductivity, high specific gravity and large electrical storage capacity. F921A226MBA is a type of tantalum capacitor that is suitable for use in a variety of applications. In this article, we will discuss the application field and working principle of F921A226MBA.

Application Field
F921A226MBA is primarily used as a decoupling capacitor in electronic circuits. It provides a means of controlling the flow of high-frequency currents and providing a local energy source when a system needs it. In addition, it is also used for filtering, voltage stabilizing and dynamic current control. It is also used for high frequency filtering and noise reduction, as well as for power regulating. In addition, these capacitors are also used in a variety of medical and military applications, including the protection of sensitive electronics from electromagnetic radiation or magnetic fields.

Working Principle
The working principle of F921A226MBA tantalum capacitors is based on the double-layer electric field model of capacitance. In this model, two metallic plates are separated by a dielectric material. A charge is applied to one of the plates and the electric field created by the charge polarizes the dielectric material, creating a second field of the same charge. This second field results in the production of a dielectric electric field between the two plates, allowing electric current to flow. As a result, an electrical capacitor is formed. When the capacitor is connected to an external voltage source, electrons can be transferred between the two plates, generating a current.

Advantages
Tantalum capacitors have several advantages over other types of capacitors, including:
• They have high breakdown voltages, making them suitable for high-current applications.
• They have low self-heating making them suitable for high-power applications.
• They have high capacitance-voltage ratio resulting in lower series inductance.
• They have high capacitance-temperature ratio resulting in better temperature stability.
• They have low equivalent series resistance resulting in better power-handling capacity.

Disadvantages
Tantalum capacitors also have several disadvantages, including:
• They are expensive compared to other types of capacitors.
• They have a limited operating temperature range.
• They are prone to self-heating due to the high capacitance-voltage ratio.
• They are sensitive to vibration and shock because of their bulky construction.

Conclusion
F921A226MBA is a type of tantalum capacitor that is suitable for use in a variety of applications. It provides a means of controlling the flow of high-frequency currents and providing a local energy source when a system needs it. It has several advantages over other types of capacitors, including high breakdown voltages, low self-heating and high capacitance-voltage and capacitance-temperature ratios. However, these capacitors also have several disadvantages, including high cost, limited operating temperature range and sensitivity to vibration and shock.

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