T95X685K020HSAL

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Tantalum capacitors are ubiquitous electronic components found in a variety of consumer electronic and industrial products. The T95X685K020HSAL is a tantalum capacitor with soldered leads. It is a surface mount device (SMD) that can be soldered directly onto a printed circuit board (PCB), eliminating the need for through-hole mounting. It is available in various packaging configurations, with lead-free versions available for applications in RoHS compliant designs.

The T95X685K020HSAL is a polarized capacitor with a capacitance of 680 μF and an operating voltage of 20 V. It is part of the T95 series of capacitors which are surface mount tantalum capacitors designed to handle a temperature range of -55°C to +85°C. It is ideal for use in portable equipment, computers, medical technologies, automotive and industrial applications.

The most common application of tantalum capacitors is to filter or reduce power supply noise, providing low impedance bypassing and power supply smoothing. They are also used in dc-to-dc converter circuits and timing circuits, as well as for time constants, buffering and coupling. The T95X685K020HSAL is well-suited for these applications and offers superior performance in demanding environments.

Working Principle

Tantalum capacitors are electrolytic capacitors, meaning they consist of two metal plates separated by an ionic conductive material. One plate is made from tantalum while the other is made from a noble metal such as niobium or platinum. The plates are then coated in a chemically inert material such as titanium nitride, and the complete assembly is then immersed in an electrolyte. When a voltage is applied, a electric field is created between the plates, allowing current to flow.

The electrolytic provides the capacitance due to its ionic conductivity, which varies with temperature. The noble metal serves as the cathode, while the tantalum serves as the anode. In the T95X685K020HSAL, the electrolytic material is an oxide made of manganese dioxide. This material has a low leakage current, making it ideal for high-voltage applications.

The SMD design of the T95X685K020HSAL allows for greater capacitance in a smaller package size. Its rated capacitance of 680 μF and operating voltage of 20 V make it extremely versatile and suitable for power supply filter, snubber, and DC/DC conversion applications. The dual-anode design gives it a long operating life and high reliability in demanding environments.

Conclusion

The T95X685K020HSAL is an excellent choice for various applications. It offers superior performance with a long life, low ESR, and SMD design. It is ideal for power supply filtering, snubber, and timing circuits, as well as DC/DC conversion applications. It is a reliable and cost-effective solution for a variety of electronic components.

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