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"Voltage Polarity Effects on Polymeric PTC Current Limiting Devices"


May 12, 2008

An article written by Exponent Managing Engineer Dr. Yanqing Du of the Electrical and Semiconductors Practice is being featured in the May issue of Conformity Magazine. Conformity Magazine represents the leading guide for worldwide regulatory compliance issues. The article is titled, "Voltage Polarity Effects of PTC Current Limiting Devices," and can be accessed via the Conformity online website.  Dr. Du specializes in safety evaluations for lithium ion batteries used in portable electronic equipment. She also has extensive experience in electrical engineering issues relating to electrical power equipment failures, such as power transmission lines, transformers, and distribution switchgears, particularly in electrical insulation and moisture related failures.