TLJK686M004R1200

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Tantalum Capacitors

Tantalum capacitors have been manufactured for more than half a century with standard products now being available in a variety of types and sizes. These capacitors offer a wide range of features and performance. Their impressive characteristics consist of a very high saturation voltage, low voltage drops, low series resistance and extremely low ESR values.

TLJK686M004R1200

The TLJK686M004R1200 is an solid electrode, Tantalum capacitor with a Mn0.4, Ni0.6-L L11 base plate and a lead-free OXID overcoat. It has a 686 mFd capacitance at a 4 VDC operating voltage and a 1200 WVDC rated voltage. According to their datasheet, the capacitance tolerance is 10%, ESR is 0.20 Ohm, and leakage current is 170 uA. The diameter of the capacitor is 10 mm, the length is 25.59 mm and the height is 10.9 mm.

Application Field

Tantalum capacitors are widely used in many electronic applications, and they can be used in high-temperature and high-voltage circuits like computers, cell phones and industrial controls. In particular, the TLJK686M004R1200 capacitor is used for low ESR, high ripple current and large capacitance applications. It can be used in medium voltage power supplies, medical instrumentation, telecommunications networks, military radar systems and consumer electronics.

Working Principle

The working principle of a Tantalum capacitor is that it stores charge between two metal plates separated by an insulator. When voltage is applied across the plates, an electric field is generated. This electric field attracts and stores charge in the insulating material, which eventually forms a capacitance. The capacitance increases with the increase of the area of the plates, the voltage across the plates, and the dielectric constant of the insulating material. For the TLJK686M004R1200, its high capacitance is due to the complex construction with layered metal sheets and high-dielectric polymer film.

Tantalum capacitors offer excellent capabilities such as high capacitance, low ESR, low voltage drops and high saturation voltage. The TLJK686M004R1200 is a solid electrode Tantalum capacitor that has a 686 mFd capacitance at a 4 VDC operating voltage and a 1200 WVDC rated voltage. It is ideal for low ESR, high ripple current and large capacitance applications, such as medium voltage power supplies, medical instrumentation, telecommunications networks, military radar systems and consumer electronics.

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