THJD476M016R

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are polarized capacitors which are made using tantalum as an electrode with an oxide layer acting as the dielectric, and either a solid or liquid electrolyte as the other electrode. These capacitors are noted for their high capacitance-to-volume ratio, high stability, and high operating temperature range. The THJD476M016R is a popular tantalum capacitor with these features and is used in a variety of applications.

The THJD476M016R is a tantalum surface mount capacitor with 2.4mm max profile, optimized for automated placement, and is provided in a four-lead molded package. It has a capacitance value of 0.47µF and a capacitance tolerance of ± 20 percent. It also has a voltage rating of 16 Vdc and a rated dissipation factor of 0.12 max at 1KHz/10V.

This capacitor is suitable for automotive and industrial applications, including high voltage regulaters, switching circuits, and high frequency switching power supplies. It is also used in electronic circuits such as audio amplifiers, digital audio equipment, and radio transceivers. Due to its conformity to the JIS, EIA, and other standards, it is also applied to LED lighting, cameras, and medical equipment.

The working principle of the THJD476M016R is relatively simple. As in all capacitors, it consists of two conducting layers separated by a dielectric. In this case, the dielectric is an oxide layer which is formed by anodizing the tantalum. The layers of the capacitor are connected to the external circuitry using two terminals. One terminal is on the solid or liquid electrolyte and serves as the anode, and the other is on the oxide layer side of the tantalum and serves as the cathode. When a voltage is applied to the external circuitry, it causes an electric field that ‘induces’ movement of charge carriers (electrons or ions) in the electrolyte, passing through the dielectric to the other side and forming an internal electric field.

The size of the capacitor, measured in Farads (symbol F), is determined by the area of the tantalum electrode, the thickness of the dielectric, and the permittivity of the dielectric. A higher capacitance can be obtained by increasing either the area of the electrode or decreasing the dielectric thickness. Since the area of the electrodes is fixed, the size of the capacitor can be adjusted only by changing the dielectric thickness, which is typically done by using different types of anodizing processes. The resulting capacitance is typically in the range of 0.01 µF to 0.47 µF.

The THJD476M016R is a one of the most popular tantalum capacitor due to its high capacitance, low ESR, long life, and tight tolerances. Its wide range of applications and reliable performance make it an ideal choice for a variety of applications in the automotive, industrial, and electronic fields.

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