IEC 62368-1

This article analyzes the V-I characteristic of a varistor and shows it is more appropriate to treat the varistor as a current dependent resistance rather than the conventionally taught voltage dependent resistance. Spice circuit examples are given, based on a current dependent resistance varistor model.

This article discusses the IEC 60601 Amendments Project, for Medical Electrical Safety, some of the changes to the General and Collateral Standards of the Project, and their impact on manufacturers. The future of the 60601 series of standards is also discussed.

This article discusses additional requirements that designers and safety professionals may want to consider beyond the base standard for their product based on the environment and user exposure.

This article discusses the legislation that applies when placing radio equipment on the Saudi market. For product manufacturers intent on exporting radio equipment to Saudi Arabia, the fact that the relevant legislation was adopted at the national level is significant. The article gives an overview of the Saudi legal framework, including obligations falling upon radio equipment manufacturers and importers.

There is a product safety standard on the immediate horizon that will change the product compliance landscape in new and revolutionary ways.