IEEE 200-1975 PDF

Highroller10 wrote IEEE withdrew IEEE STD /ANSI Y covering formation and application of reference designations for electronic. IEEE Reference Designations for Electrical and Electronics Parts and Equipments. DESIGNATIONS,NUMERICAL DESIGNATIONS, IDENTIFICATION METHODS. ICS Codes: ; ;. Standard Number: ANSI/IEEE (R).

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Liquid crystal display LDR: IEEE or “Standard Reference Designations for Electrical and Electronics Parts and Equipments” is a standard that was used to define referencing naming systems for collections of electronic equipment.

The IEEE renewed the standard in the s, but withdrew it from active support shortly thereafter. Printed circuit board PLC: Programmable logic controller PU: Close this window and log in. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Reference designator

A reference designator unambiguously identifies a component in an electrical schematic or on a printed circuit board. Are you an Engineering professional?

Thin-film transistor iee TH: The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e. Circulator or directional coupler. Metal-oxide-semiconductor field-effect transistor MOV: Separable assembly or sub-assembly e. For example, the letter R is a reference prefix for the resistors of ieew assembly, C for capacitors, K for relays. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

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ANSI/IEEE (R) | Standards Council of Canada – Conseil canadien des normes

Retrieved from ” https: This page was last edited on 25 Octoberat By joining you are opting in to receive e-mail. Did any document take its place as ieer section 8 requiring marking of ref designations on equipment?

Cathode ray tube CR: Zero sequence current transformer, also called a window-type current transformer. By using this site, you agree to the Terms of Use and Privacy Policy. Silicon unilateral switch SW: Miniature circuit breaker MIC: It’s easy to join and it’s free.

It breaks down a system into units, and then any number of sub-assemblies. IEEE was ratified in Subsequent demarcation are called assemblies and always have the Class Letter “A” as a prefix following by a sequential number starting with 1.

Standards Council of Canada

Socket connector for another item not P or J, paired with the letter symbol for that item XV for vacuum tube socket, XF for fuse holder, XA for printed circuit assembly connector, XU for integrated circuit connector, XDS for light socket, etc.


Register now while ieeee still free! The Eng-Tips staff will check this out and take appropriate action. Wire link “jumper” JFET: Note that IEEE [2] defines separate class designation letters for separable assemblies class designation ieew and inseparable assemblies class designation ‘U’.

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Promoting, selling, recruiting, coursework and thesis posting is forbidden. This standard, along with IEEEprovide the electrical designer with guidance on how to properly reference and annotate everything from a single circuit board to a collection of complete enclosures. Students Click Here Join Us! Inductor or coil or ferrite bead.

Especially iewe is the method of referencing and annotating cables plus their connectors within and outside assemblies. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Views Read Edit Ieef history. Join your peers on the Internet’s largest technical engineering professional community.

The unit is the highest level of demarcation in a system and is always a numeral.