150°C Conductive Polymer Hybrid Aluminum Electrolytic Capacitors

To meet the increasing demand for extremely high-temperature resistant capacitors in the automotive and industrial machinery fields, Nichicon Corp. has developed the GYD series of conductive polymer hybrid aluminum electrolytic capacitors with a rated operating temperature of 150°C.

The GYD series will be exhibited at CEATEC 2019, held at Makuhari Messe from Tuesday, October 15, to Friday, October 18.

Nichicon previously released the GYA series (rated at 125°C for 4,000 hours) and the GYC series (rated at 135°C for 4,000 hours), and now offers a rated temperature range of up to 150°C with the release of the GYD series.

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The GYD series offers high performance and long life in extremely high-temperature environments that the company’s current lineup is unable to withstand.


Conductive polymer hybrid aluminum electrolytic capacitors use both conductive polymers and electrolytic solutions for electrolytes. Combining the two types of electrolytes gives the GYD series characteristics of both conductive polymers (low ESR, high heat resistance) and electrolytic solutions (oxide film restoration).

“We have achieved a guaranteed rating of 150°C in the GYD series by making improvements in the materials and manufacturing process of the conductive polymer, in addition to using an electrolyte that is compatible with conductive polymers,” according to a statement issued by Nichicon.

The series has the longest guaranteed life in the industry for capacitors sized φ8×10L and φ10×10L at 1,000 hours. Moreover, the GYD series offers the highest ripple current for capacitors with a guaranteed rating of 150°C. Using the GYD series can contribute to miniaturization since it allows up to 15 times the ripple current compared to the UBC series (aluminum electrolytic capacitors).

Main Specifications
  • Rated voltage range: 25- to 35-Vdc
  • Rated capacitance range: 100- to 270-µF
  • Category temperature range: -55°C to 150°C
  • Product dimensions: φ8×10L to φ10×10L (mm) 2 sizes
  • Life: 1,000 hours guaranteed at 150°C
  • Terminal shape: Chip type anti-vibration structure is available
  • Samples: From January 2020
  • Mass production: From April 2020 [Planned production volume: 300 thousands/month]

Nichicon Corp.
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