T540D226K0DT8605

Type:	Molded
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
Series:	KO-CAP® T540
Part Status:	Active
Lead Free Status / RoHS Status:	--
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Tolerance:	±10%

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Tantalum-Polymer capacitors are a type of medium-high capacitance capacitor that feature a low ESR and a high ripple current rating. The T540D226K0DT8605 is a Tantalum Polymer capacitor from Ta Electronic Elements Ltd. This particular model has an 0.7mm thick ceramic anode and a conductive polymer cathode. It has an capacitance of 22μF and a voltage rating of 6.3V. It has a temperature range between -55C and +105 C and is RoHS compliant. Tantalum-Polymer capacitors are often used in electronic products for applications such as power supplies, inertial navigation systems, and optical sensors. They are commonly used in surface-mount designs, where their low profile and light weight make them ideal for high-density, low-noise applications. The T540D226K0DT8605’s working principle is based on the combination of a dielectric material and conducting electrodes. The dielectric material is a dielectric fluid, which has been impregnated into a porous tantalum anode on one side and a conductive electrode (usually a conductive polymer) on the other side. This combination provides a high capacitance per unit volume and an increased reliability compared to standard capacitors. When a voltage is applied across the T540D226K0DT8605, an electric field is generated by the anode and cathode, which allows electrons to transfer between the electrodes. This creates a storage of energy in the capacitor due to the increased potential difference between the electrodes. As the capacitor’s charge is equal to the intensity of the electric field multiplied by the volume of the dielectric material between the electrodes, the capacitance of the capacitor directly depends on the volume of the dielectric material between the electrodes. Tantalum-Polymer capacitors also have a significantly lower equivalent series resistance (ESR) compared to other comparable capacitor types. This is due to the wide spread of the work function, which is a parameter that describes how evenly charge is distributed over the anode and cathode. This high work function results in a low resistance between the electrodes, which reduces power loss and improves the capacitor\'s high-temperature performance. Overall, the T540D226K0DT8605 is an ideal solution for applications requiring high capacitance, high ripple current ratings, ultralow ESR, and light weight. Its 1.2mm x 0.7mm size and 6.3V operating voltage make it particularly suitable for use in space-constrained designs. Combined with its low leakage current and excellent long-term stability, the T540D226K0DT8605 is a reliable, low-maintenance solution for a variety of electronics applications.

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