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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are chip components with high electrolytic performance. They are widely used in the fields of military aerospace, communications, medical equipment and computers. The TLJT226M016R1000 is a functional type tantalum capacitor built for the slim profile industry.

Application field

The TLJT226M016R1000 is a robust, low profile and low cost capacitor. Its features make it ideal for applications in consumer electronics, medical equipment and automotive power filter applications. Some typical examples of these types of applications are vehicle speedometers, sonar devices and voltage regulators in medical equipment.

The TLJT226M016R1000 is also suitable for mounting on small footprint PCBs, or those that require increased capacitance within the same slim profile package. Thin and small, it has dimensions of only 2.3 x 4mm, making it highly suitable for use on thin printed circuit boards (PCBs). Its low profile and thin construction also allow for better clearance of components, higher precision connection and efficient heat dissipation.

Working principle

A tantalum capacitor is a type of electrolytic capacitor. It is composed of two electrodes which form a dielectric material -- the electrolyte. When the electric current is passed through the capacitor, the dielectric material will allow current to pass through and it will be stored. This is the basic principle behind how a capacitor works.

The TLJT226M016R1000 is composed of a tantalum core and an anode. The core is made of a thin sheet of high quality tantalum foil coated with a layer of conductive oxide. This oxide layer acts as the dielectric material between the anode and core, allowing current to flow. The anode is composed of an anodized aluminum shell, inside of which sits the dielectric material and the tantalum core.

The anode is then connected to an insulated conductor which is connected to a ground source and is covered with a non-conductive insulating material. The ground source may be a PCB track, wire, or a dedicated ground pad on the PCB. The core has two terminals and is connected to the anode to form the completed capacitor.

The capacitance of the TLJT226M016R1000 is determined by the thickness of the dielectric material and the area of the core. The dielectric material dictates the maximum amount of electrical charge the capacitor can store, and the area of the core determines the amount of charge it can store at any given moment. As the area increases, the capacitance increases.

The performance of the TLJT226M016R1000 is impressive, with an expected useful life of up to 10,000 hours. The operating temperature range is -55 to +125 degrees Celsius and the temperature coefficient of capacitance is between 0 and -2%. The maximum rated voltage is 16volts with a 10psF leakage current at 25 degrees Celsius. The series also offers a 4-digit date code to assist with traceability.

The TLJT226M016R1000 provides a slim profile, robust and reliable capacitor with low profile and low cost features. This makes it an ideal choice for consumer electronics, automotive and medical equipment applications where space is at a premium. The feature set also makes it suitable for high capacitance in small form factor applications.

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