Capacitors Withstand Extremes Of Temperature In Oil-exploration


Designed to offer increased reliability for industrial and oil exploration applications, Vishay’s new tantalum-cased, hermetically sealed wet tantalum capacitors claim high- temperature operation to +200 degrees C, high vibration and mechanical shock capabilities, and a long life of 1000 hours minimum at +200 °C.

Capacitors offer operation to +200 °C, increased mechanical shock and vibration capabilities, and longer life to 1,000 hours

“The T34 series capacitors are optimized for timing, filtering, energy hold-up, and pulse power applications”, the company said.

They are offered in the A, B, C, and D case codes, and feature voltage ratings from 25 VDC to 125 VDC, a wide capacitance range from 10 µF to 470 µF, with the company saying that extensions are planned to match current Vishay Sprague 134D series ratings.


Capacitance tolerance offered is ± 10 % and ± 20 % standard.

The devices operate over a temperature range of -55 °C to +85 °C, to +200 °C with voltage derating, and provide maximum ESR down to 0.75 Ω at 120 Hz and +25 °C.

RoHS-compliant, halogen-free, and Vishay Green, the capacitors offer both lead (Pb)-free and tin/lead (Sn/Pb) terminations.

Samples and production quantities of the T34 series are available, with lead times of 12 weeks for larger orders.

Click here for further details.


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