T350F685M035AT

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	F
Lead Spacing:	0.100" (2.54mm)
Height - Seated (Max):	0.390" (9.90mm)
Size / Dimension:	0.236" Dia (6.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	T350, UltraDip II
ESR (Equivalent Series Resistance):	--
Type:	Conformal Coated
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are capacitors that use a tantalum oxide film as the dielectric. The tantalum capacitor is composed of a tantalum powder core, an anode lead, a tantalum oxide film, an electrolyte and a cathode lead. The dielectric layer of the tantalum capacitor is the solid tantalum oxide on the surface of the tantalum powder core, and the anode lead can move electrons into the interior of the powder. The T350F685M035AT is a type of tantalum capacitor that is composed of a cylindrical case, a tantalum powder core which has a tantalum oxide film, an anode lead, an electrolyte, and a cathode lead. It has a rated capacitance of 35 μF, a rated voltage of 6.3 V, and a maximum operating temperature of 85°C. This type of capacitor has a small size, high capacitance and long life, making it suitable for various electronic applications such as decoupling, bypassing, filtering, blocking, and energy storage.

Application Field

Tantalum capacitors are widely used in applications such as radar systems, missile guidance systems, cell phones, cameras, computers, and industrial electronics, where a high temperature operating environment and small size is required. This type of capacitor is often used for its small size, high frequency performance, and stable dielectric. The T350F685M035AT can be used in applications such as medical electronics, automotive electronics, consumer electronics, power supplies, battery chargers, and DC-DC converters.

Working Principle

The capacitance of a tantalum capacitor is determined by the area of the cathode and anode electrodes, the distance between them, and the dielectric constant of the oxide film. When a voltage is applied to the capacitor, a tantalum oxide is formed on the surface of the tantalum powder core due to electrochemical reactions. The oxide layer acts as a dielectric and stores the electrical energy in the form of a static electric field. When a current passes through the capacitor, the two plates are charged and discharge according to the voltage. The current flows between the positive and negative electrodes, and the energy stored in the capacitor is released. The strength of the electric field is determined by the dielectric constant of the oxide film, and its capacitance is determined by the area and distance between the two electrodes.

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