ECA EIA-520CAAC-A-1992 Detail Specification for Sensitive Switches Single Break Contacts Subminiature Size 5 A.pdf

1、EIA SPECIFICATION ANSI/ IA- 52CAAC- A-1992 APWOVED: February 7, 1992 Detail Specification for Sensitive Switches, Single Break Contacts, Subminiature Size 5 A EIA=520CAAC-A (Revision of EIAQ2CAAC) APRIL 1992 ELECTRONIC I NDUSTRI ES ASSOCIATION ENGINEERING DEPARTMENT ._ Approved For Use In The NEW Sy

2、stem - EIA 520CAAC-A 92 m 3234b00 0503402 3ib7 m NOTICE EIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purc

3、haser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect preclude any member or non- member of EIA from manufacturing or selling products not conforming to such Standards and Publications, no

4、r shall the existence of such Standards and Publications preclude their voluntary use by those other than EIA members, whether the standard is to be used either domestically or internationally. Recommended Standards and Publications are adopted by EIA without regard to whether their adoption may inv

5、olve patents on articles, materials, or processes. By such action, EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Recommended Standard or Publication. This IA Specification is considered to have International Standardization

6、implication, but the International Electrotechnical Commission activity has not progressed to the point where a valid comparison between the EIA Specification and the IEC document can be made. This Specification does not purport to address all safety problems associated with its use of all applicabl

7、e regulatory requirements. it is the responsibility of the user of this Specification to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 2235-A formulated under the cognizance of P-13.3 Subcom

8、mittee on Sensitive, Pushbutton and Keyboard Switches) Published by ELECTRONIC INDUSTRIES ASSOCIATION Engineering Department 2001 Pennsylvania Avenue N.W. Washington, DOC. 2ooo6 PRICE: Please refer to the current Catalog of EIA vl I i I 210 I I ! _c_ x 3 13 In io UIC 2 17 O O U in O In - o CI CI Inr

9、n s: 1s: o, 2 - O a) CI i - 2 CI - Q h CI - 2 CI O0 SIS A 9 “.I: I I 9“ 19“ 99 e O F1 8 n - 9 O0 ol“ Q h CI u: 9 - h CI CI - o, cr) u: lu: 99 99 1: ? P hh 8 hh q? O0 O0 - 4 I4 OI0 IC Y om 99 h “0 h - I I - r( - I I III E- E -CI VI r( 11 d in O i i EIA 520CAAC-A 92 3234600 0503423 O39 EIA STANDARD AN

10、D SPECIFICATION NUMBERING STANDARD A document that establishes engineering and technical requirements for processes, procedures, practices and methods that have been decreed by authority or adopted by consensus. Standards may also be established for selection, application and design criteria for mat

11、erial. Standards and other documents not in the specification format use only the EIA basic numbering system as follows: EIA-123 Original Standard EIA-123-1 Addendum to Original Standard EIA-123-A First Revision of original Standard incorporating all Addenda SPEC I FICI ,TIC A document prepared spec

12、ifically to facilitate procurement which clearly and accurately describes the essential technical requirements for purchased material. Procedures necessary to determine that the requirements for the purchased material covered by the specification have been met shall also be referenced or included. E

13、IA Specifications use the following system: EiA i i 3 rA,A Standard Prefix for all Numbers Standard or Generic Specification Blank Detail Specification Designator Sectional Specification Designator Detail Specification Designator EIA 1230000 EIA 123A000 EIA 123AAOO EIA 123AAAA EIA 123OOAA is a Gener

14、ic Specification is a Sectional Specification is a Blank Detail Specification is a Detail Specification is a Detail Specification for which no Sectional or Blank Detail Specification was issued. NOTES: 1. Some older specifications may not have been converted to this numbering system. 2. See EP-I 1 “Guide for the Preparation of Specification Using IECQ-System Format,“ for more detail.