T494A225K010AT

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
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.:	2000 Hrs @ 125°C
Series:	T494
ESR (Equivalent Series Resistance):	6 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±10%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor that is used in a wide variety of applications. They are commonly used in high-voltage power supplies and in the automotive industry due to their high capacitance values, low voltage ratings, and wide temperature range. In this article, we will discuss the application field and working principle of one particular tantalum capacitor, the T494A225K010AT.

Application Field

Tantalum capacitors are used in a variety of applications, ranging from small consumer electronics to large industrial projects. Some of the common applications of T494A225K010AT include power supplies, automotive, audio and video equipment, amplified loudspeakers, and medical equipment.The T494A225K010AT is a Surface Mount Tantalum Capacitor with a capacitance of 2.2uF and a voltage rating of 10V. It has an insertion loss of less than 0.5dB and can handle up to 10A of current. Its temperature range is from -55°C to 125°C. This makes it ideal for use in projects that require high capacitance, low voltage, and high temperature operation.

Working Principle

The T494A225K010AT capsule tantalum capacitor works similar to an electrolytic capacitor, utilizing an electrolyte solution.The capacitor is composed of a tantalum oxide layer on top of a conductive material, creating two layers. The upper layer is an anode layer and the lower layer is a cathode layer. When a voltage is applied across the capacitor, the electric field created by the voltage causes cations in the electrolyte solution to move towards the anode layer while anions in the electrolyte solution move towards the cathode layer. This creates an electric potential between the two layers. This electric potential can be used as a charge reservoir, storing energy in the form of capacitance.The electrolyte solution used in the T494A225K010AT capsule is a mixture of ammonium pentaborate and sulfuric acid, commonly referred to as HT electrolyte. This electrolyte is highly conductive and provides good stability and low leakage current. It is also highly resistant to temperatures ranging from -55°C to 125°C. This makes the T494A225K010AT ideal for use in high temperature applications.

Conclusion

T494A225K010AT is a surface mount tantalum capacitor with a capacitance of 2.2uF and a voltage rating of 10V. It is widely used in a variety of applications, due to its high temperature range and its ability to handle up to 10A of current. The capacitor utilizes a special HT electrolyte mixture as its electrolyte solution and is highly resistant to temperatures ranging from -55°C to 125°C. This makes it ideal for use in projects that require high capacitance, low voltage, and high temperature operation.

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