Wednesday, April 17, 2024

Low-Profile Tantalum Capacitor That Reduces Space of End-Products

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  • The tantalum capacitor by AVX offers high stability and immunity against piezoelectric noise along with improved temperature performance
  • Suitable for firm devices used for medical, audio, power and embedded applications

AVX Corporation, a manufacturer and supplier of electronic components and interconnect, sensor, control, and antenna solutions, has extended its TACmicrochip® Series with the inclusion of a low-profile 3216-footprint tantalum capacitor. These are optimal for a wide variety of medical applications, such as hearing aids and other non-life-support devices, as well as audio and power amplifier modules, embedded electronics applications, including near field communication (NFC) systems and smart cards, and as coupling/decoupling capacitors in industrial, handheld and wearable electronics.

The new “I” case capacitor (EIA Metric 3216-05) is rated for 10μF and 6.3V. In addition to its high-capacitance in a low profile package to facilitate a reduction of overall space and weight in end products, the new TACmicrochip capacitors also deliver all of the standard benefits of tantalum technology, including: 

  • inherent immunity to piezoelectric noise
  • higher stability and reliability
  • improved temperature performance than comparable MLCCs.

The capacitor is capable of being embedded in 0.8mm-thick PCBs or designed into the latest generation of extremely thin handheld devices.

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Greater mechanical tolerance

Manufactured using a tantalum wafer process for achieving high levels of mechanical tolerance for ultra-miniature devices, TACmicrochip capacitors feature an enhanced internal construction that eliminates space-consuming elements of conventional J-leaded tantalum capacitors, including the anode wire, lead frame, and the need for larger wall thicknesses. Rated for use in a temperature range of -55 degrees Celsius to +125 degrees Celsius, the series is generally supplied with tin over nickel terminations (gold over nickel is also optionally available).

“Market demand for smaller and lighter electronic products remains consistent and, despite regular component innovation and the on-chip integration of many components, also remains challenging for design engineers,” said Mitch Weaver, a member of the technical staff at AVX. “Discrete passive components still occupy a majority of board space in PCB designs, so we are now penetrating the PCB with a new generation of embeddable components, like our new 3216-05 TACmicrochip capacitor, that allows engineers to reliably achieve the small, thin, mechanically robust, and electrically stable designs that next-generation applications demands.”

Measuring just 0.5mm high, the capacitors are available now and will be followed by future releases that extend the offering.


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