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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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The IEEE renewed the standard in the s, but withdrew it from active support shortly thereafter.

Reference designator – Wikipedia

Zero sequence current transformer, also called a window-type current transformer. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.

Defense manufacturing is all about project manufacturing and project accounting. Red Flag This Post Please let us know here why this post is inappropriate. Separable assembly or sub-assembly e.

By joining you are opting in to receive e-mail. Ieeee Here to join Eng-Tips and talk with other members! Thin-film transistor display TH: Gas discharge tube IC: Digital signal processor FET: Printed circuit board PLC: From Wikipedia, the iwee encyclopedia.

Download Now Defense manufacturing is all about project manufacturing and project accounting. Join your peers on the Internet’s largest technical engineering professional community. Metal oxide varistor NE: Liquid crystal display LDR: By using this site, you agree to the Terms of Use and Privacy Policy. Retrieved from ” https: Subsequent demarcation are called assemblies and always have the Class Letter “A” as a prefix following by a sequential number starting with 1.

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Cathode ray tube CR: Junction gate field-effect transistor LA: Socket connector for another item not P or J, paired with iee 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.

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Views Read Edit View history. Download Now White Paper: The Eng-Tips staff will check this out oeee take appropriate action. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. A reference designator unambiguously identifies a component in an electrical schematic or on a printed circuit board.

Reference designator

Note that IEEE [2] defines separate class designation letters for separable assemblies class designation ‘A’ and inseparable assemblies class designation ‘U’.

It breaks down a system into units, and then any number of sub-assemblies. 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. For example, the letter R is a reference prefix for the resistors of an assembly, C for capacitors, K for relays. Metal-oxide-semiconductor field-effect transistor MOV: The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.

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Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. The unit is the highest level of demarcation in a system and is always a numeral.

ASME has replacement for IEEE – ANSI (standards) Code Issues – Eng-Tips

Did any document take its place as regards section 8 requiring marking of 20-1975 designations on equipment? Any number of sub-assemblies may be defined until finally reaching the component. Students Click Here Join Us! Programmable logic controller PU: It’s easy to join and it’s free. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Standards Council of Canada

The reference designator usually 200-9175 of one or two letters followed by a number, e. Wire link “jumper” JFET: Miniature circuit breaker MIC: Inductor or coil or ferrite bead. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. This standard, along with IEEEprovide the electrical designer with guidance on how keee properly reference and annotate everything from a single circuit board to a collection of complete enclosures.