T95X156M6R3HSAL

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Tantalum Capacitors

Tantalum capacitors, often referred to as “tantalum electrolytic capacitors”, are manufactured using tantalum metal as an anode. They are a type of electrolytic capacitor, which typically has a lower capacitance than aluminum electrolytic capacitors, but much higher than other types of capacitors. Tantalum capacitors are commonly found in applications that require high stability, such as high-frequency circuits or analog circuits.

T95X156M6R3HSAL application field and working principle

The T95X156M6R3HSAL is a surface-mount tantalum capacitor with a rated working voltage of 4 V. It is rated for a maximum leakage current of 25 μA when used with a rated voltage of 4 VDC. It has a maximum capacitance of 156 μF and is rated for an operating temperature range of -55°C to +125°C. The T95X156M6R3HSAL is an ideal choice for applications such as low-power supplies, signal processing circuits, and voltage regulation circuits.

The tantalum capacitor works by utilizing the electrochemical effects of the tantalum metal. The anode of the capacitor is composed of the tantalum metal, while the cathode is composed of a porous carbon material. When a voltage is applied to the anode, oxygen ions will migrate out of the electrolyte and form an oxide layer on the surface of the tantalum metal. This action stores energy in the form of a charge, thus forming the capacitor. During the discharge of the capacitor, the oxide layer is broken down, releasing the energy stored in the capacitor.

Tantalum capacitors are often chosen in instances where their long-term electrical stability is a primary consideration, due to the self-healing property of its oxide layer. The presence of a solid electrolyte ensures that the two electrodes of the capacitor remain electrically insulated under almost all temperatures and operating conditions. This feature enables the tantalum capacitor to maintain its original capacitance over a much wider range of temperature and frequency than other types of capacitors.

Other benefits of the tantalum capacitor include its small size and low Equivalent Series Resistance (ESR). In applications that have higher frequency requirements, such as those in embedded applications, the lower ESR of the tantalum capacitor can be essential in reducing noise and ensuring peak performance. Additionally, tantalum capacitors are capable of handling higher ripple currents than other types of capacitors. The combination of these features make tantalum capacitors an ideal choice for applications where electrical stability and high performance are required.

Tantalum capacitors are widely used in automotive, military, and aerospace applications due to their performance and breadth of options. They are used in many different applications, from disposable medical devices to portable audio equipment, as well as in many industrial and medical instrumentation products. As a result of its performance, reliability and availability, the tantalum capacitor is one of the most widely used types of capacitors.

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