1、EIA 550 89 M 3234b00 00752LL 3 - -. I = ANSl/El-5 50-198g APPROVED: Aprll 19, 1989 EIA STANDARD 75 Ohm Type FD Connector Interfaces,- Rating, and Characteristics EIA-550 MAY 1989 ELECTRONIC INDUSTRIES ASSOCIATION ENGINEERING DEPARTMENT EIA 550 89 m 323Yb00 0075232 5 . NOTICE EIA Engineering Standard
2、s 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 purchaser in selecting and obtaining with minimum delay the proper product for his p
3、articular 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, nor shall the existence of such Standards and Publications preclude their voluntary
4、 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 or not their adoption may involve patents on articles, materials, or processes. By such action, EIA doe
5、s not assume any liabilityto any patent owner, nor does it assume any obligation whatever to parties adopting the Recommended Standard or Publication. This EIA Standard is considered to have International Standardization implication, but the International Electrotechnical Commission activity has not
6、 progressed to the point where a valid comparison between the EIA Standard and the IEC document can be made. This Standard does not purport 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 estab
7、lish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use. Published by Copyright 1989 ELECTRONIC INDUSTRIES ASSOCIATION Engineering Department 1722 Eye Street Washington, D.C. 20006 PRICE: $10.00 All Rights Reserved Printed in U.S.A. EI
8、A 550 89 m 3234b00 0075233 7 m i EIA-550 Page 1 75 Ohm TYPE FD COLTHECTOR INTERFACES8 RATING! AND Cg%WRACTERISTICS (From EIA Standards Proposal No. 2089 formulated under the cognizance of the EIA P-5.3 Subcommittee on R.F. Connectors.) 1.0 GENERAL 1.1 Type FD plugs when mated with Type FD jacks must
9、 meet the ratings and characteristics. Type FD jacks, once mated with non-Type FD connectors (e.g., Type F connectors), may not meet the ratings and characteristics for type FD connectors. 1.2 All electrical, mechanical and environmental ratings and characteristics shall apply to the particular Type
10、 FD connector when used with any cable claimed to be compatible by the connector manufacturer. 2.0 RATINGS AND CHARACTERISTICS 2.1 Electrical Nominal Impedance 75 ohms Freuuencv Ranse dc to 1.5 GHz VSWR (mated cabled* 1.05 2 to 30 MHz 1.07 30 to 600 MHz 1.50 .6 to 1.5 GHz - - plugs and jacks) - inse
11、rtion Loss (mated cabled* plugs and jacks) 5.1 dB 2 MHz to 1.5 GHZ Transfer Impedance .O01 ohm dc to 30 MHz (Shieldha Effectiveness) - (mated cabled* plugs and jacks) Center Conductor DC Resistance (mated pair: between the terminating center conductors) .O10 ohm measured with 1 volt dc source - .O01
12、 ohm measured with - Outer Conductor DC Resistance (mated cabled* 1 volt dc source plug and jack) *Footnote: For type FD connectors that do not terminate to cable (e.g. I a printed circuit board jack), the equivalent termination is implied. EIA 550 7 m 3234b00 0075214 7 W -1 9 EIA-550 Page 2 2.2 2.3
13、 Dielectric Withstandinq 1000 v RMS Voltacre 40-60 Hz at sea level Insulated Resistance 5,000 megohms Mechanical Cable Retention (Tensile) 40 lb min Tensile Strenqth of Couplincr Mechanism 80 lb min Recommended CouDlinq Toraue 15 to 20 inch-lb Couplinq Nut Proof Toraue 60 inch-lb Environmental Opera
14、tincr Temperature -4OOC to +7OoC Operatins Humidity 5% to 100% Heat Aqinq +85OC (14 days) Environmental-Cvclinq -4OOC to +85OC 25 six-hour cycles 2 hours at each extreme 2 hours total transition time Thermal Shock Salt Foq -4OOC to +85OC One minute transition time 5 cycles with 30 minutes dwell time
15、 at temperature extremes 96 hour CASS* ASTM B368 Vibration MIL-STD-202 98, m/s2 (10G) Condition A Method 204 10-500 Hz *Intended to simulate ISA 71.04 gaseous airborne contaminant Exposure time may be adjusted to yield a copper level I1G3l1. reactivity levei 2000 angstroms e .I EIA 550 89 m 3234600
16、0075215 O m EIA-550 Page 3 Mechanical MI L-STD-2 O 2 490 m/s2 (50G) Method 213 1/2 sine, 11 mc Condition A Ultraviolet/ ASTM G53 Ozone 2.4 Matins Charateristics 2.4.1 See Fisures 1 and 2 All undimensioned pictorial representations are for reference purposes only All dimensions are after plating. 2.4
17、.2 Platins at Conductive Interfaces All conductive interfaces shall be plated as follows : Plusc and Jacks (Bodies and Center Conductors) .O002 to .O003 inch bright tin plating per MIL- T-10727 over metals and alloys of higher nobility than tin. .O0015 inch minimum bright tin plating per MIL- T-1072
18、7 over a .O00050 inch minimum nickel underplating on metals and alloys less noble than tin, to a maximum total plating thickness of .O003 inches. Plug Bodies are permitted to have .O002 inch minimum nickel plating per Federal Specification QQ-N-290. Note : Use of these plating specifications does no
19、t imply connector compliance with any of the electrical, mechanical and evironmental requirements in this specification *Intended to simulate ISA 71.04 gaseous airborne contaminant Exposure time may be adjusted to yield a copper level 11G311. reactivity level 2000 angstroms. I EIA 550 89 m 3234b00 0
20、0752Lb 2 m tnm , EIA-550 Page 4 in NOTE 2 a b c NOTE 3 NOTE 4 MIN MAX MIN MAX 0.76 0.86 O30 ,034 NOTE 1 - 14.96 .589 NOTE 6 2.79 - ,110 - NOTE 7 II . f (t e- I 7.29. - I ,287 .375-32 UNEF-24 .375-32 UNEF-2C , I 1 1 d 15.72 1 7.11 1 .225 I .280 I 1 NOTES 1. 2. 3. 4. 5. 6. 7. CABLE CENTER CONDUCTOR SH
21、ALL NOT EE USED AS MATING PIN. WRENCH FLATS REQUIRED. DIELECTRIC MUST NOT PROTRUDE *BEYOND REF. PLANE. SEALING MEANS TO MEET REQUIRED FUNCTIONAL AND ENVI RONMENTAL PERFORMANCE. REF PLANE (METAL FACE). MAX ENVELOPE DIMENSION. FULL THREAD FIGURE 1: TYPE FD PLUG e O .L . 6- mm REF MIN MAX 5.33 a b - c
22、7.11 - I -f_I NOTE 2 in MIN MAX NOTES NOTE 1 .210 .280 - d I .375-32 UNEF-2AI .375-32 UNEF-2AI el - 14.70 - I .it15 I NOTE 4 7.59 1.12 1.24 .O44 .O49 NOTES 1. ID TO MEET SPECIFIED PERFORMANCE WITH .030-.O34 PIN. SOCKET CONTACT MUST ACCOMMODATE MALE CONTACTS WITH DIAMETERS OF .030-. 042. 2. DIELECTRIC MUST NOT PROTRUDE 3. REF PLANE. 4. FULL THREAD BEYOND REF. PLANE. FIGURE 2: TYPE FD JACK EIA-550 Page 5 o
