Tantalum capacitors suit space-constrained applications

13th October 2015
Source: TTI Europe
Posted By : Mick Elliott
Tantalum capacitors suit space-constrained applications

Two new tantalum capacitor series from Vishay are now available in Europe at TTI. Designed to deliver maximum capacitance and reliability in the smallest packages for demanding, space-constrained applications, Vishay’s T25 Series offers low ESR and surge current testing options to MIL-PRF-55365.

The T97 Series is the Hi-Rel COTS equivalent to the commercial 597D series, patterned after MIL-PRF-55365 and gives military and industrial customers a broader choice of capacitance values, voltage ranges and case sizes than MIL-Spec offerings.

Vishay’s TANTAMOUNT T25 Hi-rel COTS Series is a solid tantalum surface-mount capacitor with a capacitance range of 22µF to 330 µF, supplied in a hermetically sealed metal case.

Highly reliable with burn-in at minimum rated DC voltage for a minimum of 40 hours, it also features low ESR - down to 180mΩ at +25°C and 100kHz. Voltage rating is 16VDC to 50VDC.

Designed for avionics applications, the T25 Series is availalbe in case size D, with lead (Pb)-free teminations. Tin/lead terminations are currently under development.  

The Vishay T97 Series of solid tantalum chip capacitors offers high reliability and ultra-low ESR down to 0.015Ω in a surface-mount, conformal coated case. Designed for applications including power management, military weapons systems, military and commercial avionics, radar systems and rugggedised electronics, these devices offer state-of-the-art CV in a wide range of case codes.

Capacitance range is from 10µF to 1500µF and voltage rating 4VDC to 75VDC. Devices have an operating temperature range of -55degC to +125degC (above 85degC, voltage derating is required).

Surge current testing per MIL-PRF-55365 is available as an option, as is Weibull failure rate grading. The T97 Series is supplied with tin/lead (Sn/Pb) terminations as standard, with 100% tin terminations available as an option.

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