Acquired Electronics360

Aerospace

Advanced Capacitors for Demanding Applications

13 June 2018
The evolution of tantalum capacitor technology over time. Inset is the EVANSCAP, which has the same capacitance as each of its predecessors while offering minimal space and weight. Source: Electronics360.

The most energy-dense capacitors on the market are EVANSCAPS made by Evans Capacitor Company, according to the company’s sales and marketing manager Misha Pierre-Mike. Evans Capacitor is an exhibitor at the International Microwave Symposium (IMS2018), which runs June 10-15, 2018, in Philadelphia.

“We are featured in applications where space and weight are important considerations,” Pierre-Mike said. The devices’ unique chemistry and construction rely upon hybrid wet tantalum technology to achieve high-energy density and high-peak performance — five to 10 times the volumetric energy density of aluminum electrolytic capacitors. Multiple capacitors can also be deployed in a bank assembly to simplify connectivity.

Defense industry applications include radar, electronic warfare and laser targeting. Additionally, EVANSCAPS are commonly used in high-power RF microwave, GaN amplifiers, filtering and avionics power hold up/bridge power applications. They are also qualified for use in space, and commonly used in "downhole (drilling) applications where high shock and vibration environments are challenges that engineers need to overcome,” said Pierre-Mike.

Additional advantages include:

  • Qualified and in service with virtually all Tier 1 aerospace and defense contractors
  • Available in a wide range of voltages (10 V-125 V)
  • Very low equivalent series resistance (ESR) and inductance
  • Very high current handling
  • Extremely high reliability
  • Unlimited shelf life
  • Competitive lead time

For more information, visit Evans Capacitor online.

To contact the author of this article, email [email protected]


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