T541X476M035AT8510

Series:	KO-CAP® T541
Part Status:	Active
Lead Free Status / RoHS Status:	--
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Tolerance:	±20%
Voltage - Rated:	35V
Type:	Molded
ESR (Equivalent Series Resistance):	60 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):	0.169" (4.30mm)
Lead Spacing:	--
Manufacturer Size Code:	X
Ratings:	COTS
Features:	High Reliability

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Tantalum - Polymer CapacitorsTantalum-polymer capacitors are widely used due to their low equivalent series resistance (ESR) and small size. They offer a number of features not achieved by equivalent electrolytic or ceramic dielectric capacitors, including capacitance values up to 680µF, low ESR, and high working temperatures up to 150°C. The T541X476M035AT8510 is a popular example of a tantalum-polymer capacitor.Tantalum-polymer capacitors feature a solid polymer that contains a conductive polymer or polymer electrolyte layer sandwiched between a tantalum anode and cathode. The tantalum anode consists of powdered metal in an electrical conductive matrix form, while the cathode is made of metal foil connected to the lead frame. The conductive polymer acts as the dielectric, and together with the particles of anode material, forms a three dimensional capacitor element. The inorganic chemical composition of the anode ensures stability when used in applications requiring higher temperatures, robust functionality and reliability compared to other types of capacitors. The advantages of the T541X476M035AT8510 in particular include a low equivalent series resistance that provides excellent ripple current handling capability and low temperature coefficient. It can also operate over a temperature range of -55 to +125 °C. The T541X476M035AT8510 is commonly used in automotive and aerospace applications due to its high temperature resistance, low leakage current and high power density, as well as stability under high temperatures and its response to magnetic fields. It is also used in high frequency metallic linkage, voltage regulators and switched mode power supplies. In terms of its working principle, the operating voltage of a T541X476M035AT8510 is determined by the design of the capacitor plus the applied voltage. When a voltage is applied to the capacitor, the anode element is polarized, and the charge stored on the anode is balanced by the opposite charge on the cathode. This creates an electrical field inside the dielectric material, resulting in a capacitance. Once the capacitor is charged, the current begins to flow through the dielectric material and dissipates on the second electrode, storing the energy in the form of electrical charge. The working principle of a T541X476M035AT8510 also depends on the material used in the dielectric. In general, polymers provide improved temperature resistance and a wide range of capacitance values compared to standard electrolytic capacitors. They also provide a higher level of power stability, a lower ESR value, an improved dielectric absorption rate, and a more rapid discharge rate. Therefore, the T541X476M035AT8510 tantalum-polymer capacitor is well suited for high temperature, high frequency and high power applications.

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