1、EIA StandardRigid Coaxial Transmission Lines and Connectors, 75 OhmsEIA-259-A (Revision of RS-259) November 2017 ANSI/EIA-259-A-2017 Approved: November 1, 2017 EIA-RS-259-ANOTICEEIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings
2、 between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser 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
3、 member or nonmember of ECIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than ECIA members, whether the standard is to be used either domestically or i
4、nternationally. Standards and Publications are adopted by ECIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, ECIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or Pub
5、lication. This EIA standard is considered to have International Standardization implications, but the International Electrotechnical Commission activity has not progressed to the point where a valid comparison between the EIA standard and the IEC document can be made. This Standard does not purport
6、to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. (From Standards Pr
7、oposal No. 5371, formulated under the cognizance of the EIA CE-2.2 Committee on RF Connectors and Rigid Coax Connectors). Published by ELECTRONIC COMPONENTS INDUSTRY ASSOCIATION 2017 Standards some variations may be encountered in practice)EIA-259-A Page 7 Table 2 Characteristic Impedance and Cutoff
8、 Frequencies, 75 Ohms Line Size Characteristic Impedance (Ohms) TE11 Mode Cutoff Frequency (GHz) Nom. Max. Min. Air Line UndercutTeflon OvercutTeflon UndercutPoly-styrene OvercutPoly-styrene 3 1/8 75 75.12 74.59 1.930 1.470 0.845 1.375 0.656 1 5/8 75 75.29 74.51 3.82 2.92 1.65 2.73 1.30 7/8 75 75.41
9、 73.96 7.44 5.66 3.20 5.31 2.52 3/8 75 75.87 73.56 20.50 15.60 8.84 14.60 6.96 .EIA-259-A Page 8 Figure 1 7/8” Connector EIA-259-A Page 9 Figure 2 1-5/8” Connector EIA-259-A Page 10 Figure 3 3 1/8” Connector ECIA Document Improvement Proposal If in the review or use of this document, a potential cha
10、nge is made evident for safety, health or technical reasons, please fill in the appropriate information below and mail, e-mail or FAX to: Electronic Components Industry Association EIA Standards & Technology Department 2214 Rock Hill Rd., Suite 265 Herndon, VA 20170 FAX: (571-323-0245) Document No.:
11、 Document Title: Submitters Name: Telephone No.: FAX No.: e-mail:Address: Urgency of Change: Immediate: At next revision: Problem Area: a. clause Number and /or Drawing: b. Recommended Changes: c. Reason/Rationale for Recommendation: Additional Remarks: Signature: Date: FOR ECIA USE ONLY Responsible
12、 Committee: Chairman: Date comments forwarded to Committee Chairman: Revision History Revision letter Project number Publication date Additions, changes and deletions - March 1962 Initial publication A SP-5371 2017 Revision. Electronic Components Industry Association 2214 Rock Hill Road, Suite 265 * Herndon, VA 20170 * tel 571-323-0294 * fax 571-323-0245 www.ecianow.org
