What does it mean to be “exempt” from the RoHS restrictions, and are any Allegro products exempt?
A product that strictly meets all of the standard requirements of RoHS is considered to “comply” with RoHS. The RoHS directive also provides a defined set of exemption categories, such as for critical applications, manufacturing technologies for which there is no current substitute, and materials which could contain extremely low concentrations of restricted materials as constituent elements. Products that are included in these categories are considered “exempt” from the standard RoHS restrictions, and are permitted to be used. With regard to low-concentration exemptions, Allegro maintains a rigorous program to ensure that our products fall below the allowable concentration levels. With regard to technology exemptions, internal flip-chips, an advanced technology that uses high-temperature Pb-alloy solder bumps sealed inside of the device package, are used in certain device families, such as the Allegro ACS704 through ACS708, and the ACS760 device families (refer to the individual produ
