T541X227K016DH8610

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	X
Lead Spacing:	--
Height - Seated (Max):	0.169" (4.30mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T541
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	16V
Tolerance:	±10%
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum - Polymer Capacitors

T541X227K016DH8610 is a type of tantalum-polymer capacitor featuring an anode with a Ta2O5 layer that is formed on a high-conductivity substrate of tantalum powder. The capacitor utilizes conductive polymer for the cathode material. In comparison with conventional wet tantalum capacitors, these capacitors are much lighter and thinner, making them popular for applications like mobile phones and notebook computers.

Application Field

T541X227K016DH8610 capacitors are primarily used in digital circuit designs, such as computer motherboards, control boards, and audio digital-to-analog converters. They are also used in medical electronics, telecommunications equipment, navigation subsystems, and consumer electronics. Because of their small size, they are often seen in many very compact, high-density boards.

Advantages

Tantalum-polymer capacitors offer several benefits compared to other types of capacitors. They have a high specific capacitance to volume ratio, which makes them more energy efficient than other types of capacitors. This also allows them to offer a low Equivalent Series Resistance (ESR) and improved temperature stability. Tantalum-polymer capacitors also have a long life cycle, improving its reliability when compared to wet tantalum capacitors.

Working Principle

The T541X227K016DH8610 capacitor has two internal layers, the anode and the cathode. The anode is a conductive substrate made from tantalum powder and coated with a Ta2O5 layer. The cathode consists of conductive polymer, which acts as a dielectric between the two layers. This allows for the capacitance of the capacitor to be controlled. When the capacitor is in operation, the voltage across the capacitor causes a current to flow between the two layers, allowing it to store a charge.

Conclusion

The T541X227K016DH8610 capacitor is a popular type of tantalum-polymer capacitor, which is well suited for use in a variety of applications. Its small size and high capacitance to volume ratio makes it ideal for use in compact, high-density boards. It also offers a long life-cycle, low ESR, and improved temperature stability compared to other types of capacitors. The working principle behind the capacitor involves a conductive substrate with a Ta2O5 layer as the anode and conductive polymer as the cathode.

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