Special Features:

Smic is vn, which is non-critical; item name text is holder, printed circuit card

Properties:

A holder designed to accommodate and position one or more printed circuit boards. It is usually an open frame structure with printed circuit board guides mounted between parallel support bars and end supports. It is designed to be mounted in electrical cabinets, cases, drawers and racks to provide mounting facilities for printed circuit boards. See also cabinet, electrical equipment; case (as modified); drawer, electrical equipment; and rack, electrical equipment.