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AVX expands high-temperature SMD tantalum capacitor line-up

09 Mar 2016

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AVX Corp. has extended its THH 230°C Hermetic series high temperature SMD tantalum capacitors with additional capacitance and voltage ratings. The company has also improved the performance of the THH series' "I" case components, extending the maximum rated operating temperature from 215°C to 230°C. The series now features capacitance values spanning 6.8μF to 100μF, voltage ratings spanning 16V to 63V, and minimum lifetimes of 1,000 hours at 230°C and 0.5VR and 10,000 hours at 200°C and 0.5VR. Additionally, when compared with other high temperature capacitor solutions, such as 200°C WET Tantalum, the THH series capacitors feature excellent volumetric efficiency, show no capacitance drop-off at even extremely high temperatures, and exhibit superior stability in high temperature, high humidity and ambient atmosphere environments, which enables several significant design benefits, including size reductions, lower components counts and improved reliability in high temperature electronics applications, such as down-hole oil drilling, detailed the company.

THH 230°C Hermetic series capacitors also exhibit low leakage current (0.01CV), and are manufactured and screened using AVX's patented and extremely effective Q-Process, which ensures the removal of any components that may experience parametric shifts through customer processing or display instability through life testing. As such, THH series capacitors exhibit an impressive FIT rate of one per cent per 1,000 hours at 85°C and rated voltage with 0.1Ω/V series impedance.

Hermetic series high temperature SMD tantalum capacitors

Available in two large, hermetically sealed ceramic packages, 9/CTC-21D for higher capacitance (47μF to 100μF at present) and "I" for a lower maximum profile (3mm vs. 6.5mm), THH 230°C Hermetic series capacitors may be supplied with gold-plated undertab terminations, gold-plated L-shape J-lead terminations and nickel-plated J-flex J-lead terminations. "I" case THH series capacitors are available with 6.8μF/35V, 10μF/35V and 22μF/16V ratings, and 9/CTC-21D case capacitors are available with 47μF/63V and 100μF/35V ratings. Additionally, "I" case capacitors rated for 47μF/16V are available as engineering samples, and 26 additional codes spanning both case sizes are actively under development. Once complete, the series will be available in capacitance values spanning 3.3μF to 330μF, voltages spanning 16V to 63V, and six case size and termination combinations ranging in size from 11.9mm x 6mm x 3mm to 12.10mm x 12.5mm x 6.5mm. THH series capacitors are supplied in either waffle or bulk packaging, and lead time for the series is about 8-12 weeks.

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