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The raw material, part, or subassembly that goes into a higher-level assembly


You create a record for each component that goes into a higher-level assembly in Material Maintenance (see Material Maintenance).

A resistor that goes onto a printed circuit board (PCB), or a PCB that goes into a printer are examples of a component.

See also: Material, Material Table, and BOM Component Tables

Alternate Component

A material that may be substituted for the original component

Phantom Component

Used in a BOM structure to represent a grouping of components or a point in the assembly process. It is not a physical material so it should not have an SFC number released for it nor is it confirmed back to ERP. Actual BOM components are defined as its Phantom Members and are structured to be assembled by the Phantom component, for which an assembly data type can be defined and collected.

Test Component

Indicates the assembly of material that is temporary and will be removed before the final product is shipped. It also enables the disassembly operation.

Co-product Component

Represents possible variations of a planned material. If a manufacturing process can yield more than one possible material due to, for example, process, environment or raw material variations, then the optimum material is planned for and all other possible outcome materials can be defined as its Co-Product components.

By-Product Component

An additional material that is created during the manufacturing of another material. If a manufacturing process of a material also yields one or more other materials, than these other materials can be defined as its By-Product components.


A parent or component (subassembly) that is made up of other components

For example, if you manufacture personal computers (PCs), each PC board that goes into the PC belongs to the PC assembly.


You define numbering patterns that uniquely identify components placed on hold using the Component Hold/Release activity in Next Number Maintenance (see Numbering Patterns).

More Information

Component Usage Report