T540D227K004AH85057280

Series:	KO-CAP® T540
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±10%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Ratings:	COTS
Features:	High Reliability

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Tantalum - Polymer Capacitors: T540D227K004AH85057280 Application Field and Working PrincipleTantalum capacitors use a tantalum wire with an oxide film on the surface as the electrolyte. These capacitors are widely used for a variety of applications and are relatively easy to manufacture and cost-effective. The products have both excellent temperature and voltage capabilities, and a high capacity in a very small package, due to the use of a low-flammability organic polymer film.The T540D227K004AH85057280 is a standard type of tantalum capacitor with a through-hole style and a vertical orientation. The capacitor is housed in an epoxy case, with a 3Kv voltage rating and a power rating of 0.25W. It offers a capacitance of 227μF with a 0.6 Ohm ESR and a high frequency low ESR of 4144R, which makes it suitable for a variety of high frequency applications. It also has high current handling capabilities, with an overall size of 10mm x 10mm x 4.7mmTantalum - Polymer capacitors are widely used in a variety of applications, due to their superior performance. These include decoupling, filtering, and bypassing circuits, as well as applications requiring a high capacitance to volume ratio, including electronic equipment, computers, and communication systems. In particular, the T540D227K004AH85057280 capacitor is well suited for storage, filtering, decoupling, nuon, and performing high-frequency operations.The construction of tantalum polymer capacitors involves a combination of the electrolytic tantalum anode and the organic polymer electrolyte. The anode is surrounded by an organic film which has a very low dielectric loss and is highly resistant to high voltages and high temperatures. The construction makes the capacitor smaller in size and light-weight, and is also very effective in filtering and bypassing high frequencies. As a result, it is able to offer a low impedance, high frequency response, along with excellent capacitance. The working principle of tantalum capacitors can be divided into two concepts: the voltage strain theory, and the electric double layer capacitance theory. The voltage strain theory states that the electrical charge is stored due to the breaking of chemical bonds between the oxides on the electrode surface and the electrolyte. This causes an imbalance between the inner and outer surfaces of the dielectric, and the stored charge is released when the voltage is overcome. The electric double layer capacitance theory is based on the idea that between a charged electrode and an electrolyte is a double layer of oppositely charged ions. These ions form a capacitance, which contributes to the capacitance of the tantalum capacitor. In summary, the T540D227K004AH85057280 capacitor is a type of tantalum - polymer capacitor well suited for high frequency applications, due to its construction and working principle. The capacitor is not only of high performance and reliability, but is also relatively small in size and light weight. It offers good capacitance and voltage capabilities, making it suitable for a variety of applications in the electronics and communications industries.

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