Reference Designator
It is used to uniquely identify each placed part to distinguish it from all other parts placed in all the schematic sheets in the project.
Reference designator. The number is sometimes followed by a letter indicating that components are grouped or matched with each other e g. The iec is fairly open on how you apply reference designations for projects and organisations. Each project or organisation tends to be unique so this makes some sense. Reference designator last updated september 03 2020.
In order to standardize the way in which components are identified within schematics the ieee introduced a standard ieee 200 1975 as the standard reference designations for electrical. Below is a partial list of the reference designations used in electronics. Clear filters manufacturer model type designator description engine type engine count wtc 328 support services. The reference designator usually consists of one or two letters followed by a number.
The number is sometimes followed by a letter indicating that components are grouped or matched with each other e g. The reference designator usually consists of one or two letters followed by a number e g. For some recent projects we have used to following application of the reference designation system which works has worked reasonably well. Schematic components reference designators reference designator component type at attenuator br bridge rectifier bt battery c capacitor cn capacitor network d diode including zeners thyristors and leds dl delay line ds display f fuse fb or feb ferrite bead fd fiducial j jack connector female jp link jumper k relay.
A reference designator unambiguously identifies a component within an electrical schematic or on a printed circuit board the reference designator usually consists of one or two letters followed by a number e g. A reference designator unambiguously identifies a component in an electrical schematic or on a printed circuit board. The designator field is a child parameter object of a schematic component part. The convention of plug p and jack j when assigning references for electrical connectors in assemblies where a j or jack is the more fixed and p or plug is the less fixed of a connector pair without regard to the gender of the connector contacts.
Aircraft type designators show. Contents show about standard reference designations for electrical equipment can be found published in ansi y32 2 1975 ieee std 315.