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Tantalum capacitors come with built-in fuse

Posted: 17 Feb 2010 ?? ?Print Version ?Bookmark and Share

Keywords:tantalum capacitor? data storage? chip?

TF3 TANTAMOUNT capacitors

Vishay Intertechnology Inc. has released a series of TANTAMOUNT low-ESR solid tantalum chip capacitors with a built-in fuse. Offered in three molded case sizes, the TF3 series is designed to provide a very high level of protection against short circuits in safety-critical applications.

TF3 series devices feature an internal electronic fusing mechanism that activates within 0.1 second with a minimum of 5A applied at +25C. In the event of a failure due to excessive current flow, this fusing prevents damage to circuit components.

With their low ESR down to 0.25? at + 25C and 100kHz, the capacitors are optimized for high-current applications (>10A) requiring this level of safety, including industrial applications, medical instrumentation, diagnostic and control equipment, high-end computing and data storage, and telecom base stations.

The TF3 devices offer a capacitance range of 0.47?F to 470?F in the C, D, and E case codes. The capacitors provide a high ripple current carrying capability and feature a voltage range from 4V to 50V over an operating temperature range of - 55C to + 125C.

Compatible with high-volume automatic pick-and-place equipment, the TF3 series features standard RoHS-compliant tin terminations, with Sn/Pb terminations available. The devices are 100 percent surge current tested and meet EIA 535BAAC requirements.

Samples and production quantities of the new low-ESR TF3 solid tantalum chip capacitors are available now, with lead times of six to eight weeks for larger orders.

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