microminiature d connectors m cdm series metal shell connectors 25 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 m i c r o m i n i a t u r e d c o n n e c t o r s 1 performance contact resistance the average mated contact resistance is 4 milliohms, with a maximum value of 8 milliohms, using standard #24 solid copper leads when measured directly behind the crimp joints of the mated pin and socket contacts. the average resistance value at 100 microvolts is 4.8 milliohms. dielectric withstanding voltage (60 hz rms room temperature) solder pots: 600 vac at sea level; 150 vac at 70,000 feet [21,336 m]. wire terminations: 750 vac at sea level; 200 vac at 70,000 feet [21,336m] vibration (per mil-std-202c, method 204-a, condition d) no discontinuity in excess of 1 microsecond during twelve 20 minute sweeps from 10 to 2,000 cps at .06 double amplitude or 20 g forces, whichever is less. corrosion resistance (per mil-std-202c, method 101b, condition b) both mated and unmated samples do not exceed the maximum allowable contact resistance (8 milliohms) when subjected to the 48 hour salt spray test. durability the contact resistance after 500 mating cycles is less than the maximum allowable, 8 milliohms. insulation resistance greater than 5,000 megohms at room temperature for the materials listed under aterials? maximum current carrying capacity no. 24 contact, 3 amperes. it must be recognized, however, that all the wires to a connector will not carry their maximum current under all environmental conditions due to wire temperature. contact engaging and separation forces 6 oz. [1.67n] maximum (eng.); 0.5 oz. [.14n] minimum (sep.). temperature range (operating) diallyl phthalate -67 to 257? [-55 c to +125 ]. materials insulator diallyl phthalate per mil-m-14, type sdg-f or liquid crystal polymer (lcp) per astm d5138. contacts pin contact: copper alloy and beryllium copper alloy make up the complete construction. socket contact: copper alloy. body shell high grade aluminum alloy. finishes contacts standard finish is 0.000050 [0.00127] gold over copper flash per mil-g-45204, type ii. body shell electroless nickel per ams 2404. n ote: i nsulators are molded into their metal shells ?no bonded joint is used. technical & performance data the only metal shell con - nector that mates with all existing plastic types. this line is ideal for exter nal use and other applicationsr equiring fr equent discon- nect and remating. when durability and reliability are paramount the metal shell connector is unsurpassed it eliminates the need for r etr ofitting wher e new metal shell varieties must mate with older plastic types. originally designed for mili- tary applications, they are cur r ently used for commer - cial r equir ements, including computers. screw mount b c a f e d a f contact #1 pin pin contact #1 socket socket pin socket .089C094 [2.26C.39] .09 3 [2.36] d dia. 2 plcs. .089C094 [2.26C.39] dia. . 1 9 3 [4.90] .37 9 [9.63] .180 [4.57] .365 [9.27] .798 [20.27] b .09 3 [2.36] e
microminiature d connectors mcdm series metal shell connectors (continued) 26 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 par t number a b c d e f avg. weight .005 .005 .010 .010 .005 .005 lbs. 5% [?127] [?127] [?254] [?254] [?127] [?127] [grams] mcdm1-9p*** .780 .290 .398 .165 .208 .565 .003 19.81 7.36 10.11 4.19 5.28 14.35 1.36 mcdm1-9s*** .780 .365 .398 .165 .208 .565 .003 19.81 9.27 10.1 1 4.19 5.28 14.35 1.36 mcdm1-15p*** .930 .440 .548 .165 .208 .715 .004 23.62 11.18 13.92 4.19 5.28 18.16 1.81 mcdm1-15s*** .930 .515 .548 .165 .208 .715 .004 23.62 13.08 13.92 4.19 5.28 18.16 1.81 mcdm1-21p*** 1.080 .590 .698 .165 .208 .865 .005 27.43 14.99 17.73 4.19 5.28 21.97 2.26 mcdm1-21s*** 1.080 .665 .698 .165 .208 .865 .005 27.43 16.89 17.73 4.19 5.28 21.97 2.26 mcdm1-25p*** 1.180 .690 .798 .165 .208 .965 .006 29.97 17.53 20.27 4.19 5.28 24.51 2.72 mcdm1-25s*** 1.180 .765 .798 .165 .208 .965 .005 29.97 19.43 20.27 4.19 5.28 24.51 2.26 mcdm1-30p*** .930 .435 .548 .252 .295 .715 .007 23.62 1 1.05 13.92 6.40 7.49 18.16 3.17 mcdm1-30s*** .930 .515 .548 .252 .295 .715 .007 23.62 13.08 13.92 6.40 7.49 18.16 3.17 mcdm1-31p*** 1.330 .840 .948 .165 .208 1.115 .007 33.78 21.34 16.46 4.19 5.28 28.32 3.17 mcdm1-31s*** 1.330 .915 .948 .165 .208 1.115 .006 33.78 23.24 16.46 4.19 5.28 28.32 2.72 mcdm1-37p*** 1.480 .990 1.098 .165 .208 1.270 .007 37.59 25.15 27.89 4.19 5.28 32.26 3.17 mcdm1-37s*** 1.480 1.065 1.098 .165 .208 1.270 .007 37.59 27.05 27.89 4.19 5.28 32.26 3.17 mcdm1-51p*** 1.430 .940 1.048 .208 .250 1.215 .009 36.32 23.88 26.62 5.28 6.35 30.86 4.08 mcdm1-51s*** 1.430 1.015 1.048 .208 .250 1.215 .008 36.32 25.78 26.62 5.28 6.35 30.86 3.62 note: weight given is with .500 [12.7] uninsulated, solid, 24 awg gold plated copper pigtails. how to specify screw mount (continued) m cd- m1 b 37 p 6 a 1 18.0 l ead length in inches (min.) x special, does not fit description belo w. i nsulation color or finish 1 all white wire 4 gold plated 7 color coded per mil-std-681, 2 all yellow wire 5 tin dipped gold plated s y s tem 1 3 all gray wire 6 bare (unfinished) 8 special color code 9 10 color repeating (solid) per m83513 wire type * a type e, 7 strand *d type e t, 19 strand g 19 strand per mil-22759/11 *b type e t, 7 strand f 7 strand per mi l 22759/11 #26 awg, #24 awg *c type e, 19 strand (#28 awg only) l coppe r, solid q stranded per mil- w-22759/33 *per mil- w-16878 wire size 4 #24 5 #25 6 #26 8 #28 0 #30 connector series shell type and material m1 metal shell s c rew mount d i a llyl phthalate or lcp insulator hardware (see pages 14 and 15) b no hardware f float bushing k jackscre w, slotted head, high profile l jackscre w, slotted head, lo w profile q jackscre w, allen head, high profile r jackscre w, allen head, lo w profile x lockscre w, slotted head y lockscre w, allen head p jackpost s solder pot for #26 max. stranded wire c ontact type p pin s socket layout 9 , 15, 21, 25, 30, 31, 37, 51
microminiature d connectors m cdm series metal shell rf combomate connectors 27 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 m i c r o m i n i a t u r e d c o n n e c t o r s 1 screw mount coaxial terminations available now rf performance in standard subminiature rectangular c onnectors, with vswr v alues of 1.01 to 1.10 in f requencies ranging in dc to 2.3 ghz. this is the combomate connector. t his series of connectors incorporates the same metal shells and twist pin contacts used in the widely accepted, high reliability, mcdm series. the rf combomate connector series will accommodate rg 196 a/u or rg 178 b/u coaxial cable terminated in a unique manner in standard, already tooled insert layouts. this featur e r esults in savings in cost, time and space. the rf combomate connector series will accommodate a maximum of 17 rg 196 a/u or rg 178 b/u cables in an area of less than .225 sq. inches [14.51 mm 2 ]. mixed layouts with coaxial ter mina - tions and standard awg 24, 26 and 28 ar e also immedi - ately available in 7 dif ferent shell sizes. the overall envelope and mounting dimensions of equivalent size of combomate connectors are exactly the same as the standard mcdm series. performance data coaxial terminations impedance 49.0 to 51.0 ohms. voltage standing wave ratio (vswr) 1.01:1 to 1.10:1 at frequency ranging in dc to 2.3 ghz. dielectric w ithstanding v oltage (60 hz r ms room temperature) 750 v ac at sea level; 200 v ac at 70,000 feet [21,336 m]. (actual test data) crosstalk (between adjacent lines) 1 to 2 2 to 3 3 to 4 4 to 5 30 mhz 60.0 db 59.8 db 60.7 db 60.0 db 100 mhz 49.1 db 48.3 db 51.7 db 50.6 db 175 mhz 42.6 db 41.4 db 47.2 db 47.0 db 500 mhz 38.0 db 38.8 db 39.5 db 40.0 db 1000 mhz 31.6 db 32.0 db 30.0 db 32.5 db 2000 mhz 22.4 db 22.5 db 22.3 db 20.8 db 3000 mhz 21.5 db 23.9 db 21.4 db 24.2 db insertion loss sample #1 #2 #3 #4 #5 30 mhz .08 db .08 db .08 db .08 db .08 db 100 mhz .24 db .24 db .25 db .25 db .25 db 175 mhz .35 db .36 db .36 db .34 db .32 db 500 mhz .58 db .50 db .60 db .58 db .48 db 1000 mhz 1.25 db 1.33 db 1.36 db 1.35 db 1.24 db 2000 mhz 1.48 db 1.71 db 1.42 db 1.40 db 1.45 db 3000 mhz 2.66 db 2.45 db 2.74 db 2.86 db 2.84 db note: verification of all test data is on file at tyco electronics and is available upon request. all test runs using rg 196 a/u. c b a f e d contact #1 pin pin epoxy pin .089C094 [2.26C.39] .09 3 [2.36] dia. 2 plcs. .1 9 3 [4.90] . 379 [9.63] .25 0 [6.3 5 ] m ax. contact #1 socket a f e .089C094 [2.26C.39] dia. b epoxy .093 [2.36] . 180 [4.57] .365 [9.27] .250 [6.35] max. d socket socket
microminiature d connectors mcdm series metal shell rf combomate connectors (continued) 28 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 part number a b c d ef .005 .005 max. max. .005 .005 [ .127] [ .127] [ .127] [ .127] mcdm3-3p** .780 .290 .408 .200 .208 .565 19.81 7.36 10.36 5.08 5.28 14.35 mcdm3-3s** .780 .365 .408 .200 .208 .565 19.81 9.27 10.36 5.08 5.28 14.35 mcdm3-5p** .930 .440 .558 .200 .208 .715 23.62 11.18 14.17 5.08 5.28 18.16 mcdm3-5s** .930 .515 .558 .200 .208 .715 23.62 13.08 14.17 5.08 5.28 18.16 mcdm3-7p** 1.080 .590 .708 .200 .208 .865 27.43 14.99 17.98 5.08 5.28 21.97 mcdm3-7s** 1.080 .665 .708 .200 .208 .865 27.43 16.89 17.98 5.08 5.28 21.97 mcdm3-8p** 1.180 .690 .808 .200 .208 .965 29.97 17.53 20.52 5.08 5.28 24.51 mcdm3-8s** 1.180 .765 .808 .200 .208 .965 29.97 19.43 20.52 5.08 5.28 24.51 mcdm3-10p** 1.330 .840 .958 .200 .208 1.115 33.78 21.34 24.33 5.08 5.28 28.32 mcdm3-10s** 1.330 .915 .958 .200 .208 1.115 33.78 23.24 24.33 5.08 5.28 28.32 mcdm3-12p** 1.480 .990 1.108 .200 .208 1.270 37.59 25.15 27.89 5.08 5.28 32.26 mcdm3-12s** 1.480 1.065 1.108 .200 .208 1.270 37.59 27.05 27.89 5.08 5.28 32.26 mcdm3-17p** 1.430 .940 1.058 .245 .250 1.215 36.32 23.88 26.87 6.22 6.35 30.86 mcdm3-17s** 1.430 1.015 1.058 .245 .250 1.215 36.32 25.78 26.87 6.22 6.35 30.86 screw mount coaxial terminations (continued) how to specify *ordering criteria: a wide variety of contact combinations, coaxial and power mixed, are available. c ontact tyco electronics for additional arrangement numbers. mcd m3 7 p 3 18.0 lead length in inches (min.) w ire size 3 rg 196 a/u (white insulation) 2 rg 178 b/u (brown insulation) x special, does not fit description* connector series contact type p pin s socket layout 3, 5, 7, 8, 10, 12, 17 maximum rf combinations using rg 196 a/u and rg 178 b/u cable s hell type and material m3 metal shell s c rew mount d i a llyl phthalate or lcp insulator
microminiature d connectors m cdm series metal shell rf combomate connectors (continued) 29 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 m i c r o m i n i a t u r e d c o n n e c t o r s 1 contact arrangement as viewed from the engaging face of the pin side note: the above contact arrangements are the maximum densities that can be obtained in each shell size when using rg 196 a/u or rg 178 b/u cable. 3 r g196 a/u or
r g 178 b/u 8 rg196 a/u or
r g 178 b/u 1 2 r g196 a/u or
r g 178 b/u 17
rg196 a/u or
rg 178 b/u termination pattern 10
rg196 a/u or
r g 178 b/u 1 1 1 118 35 51 3 6 19 20 37 shield center conductor 19 13 1 16 14 25 17 31 51 1 11 8 69 15 9 12 21 5 r g196 a/u or
r g 178 b/u 7 r g196 a/u or
r g 178 b/u
microminiature d connectors m cdm series metal shell connectors panel mounting cutout dimensions 30 catalog 1308638 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-3611-1514 revised 8-05 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. v alues in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www .tycoelectr onics.com ar e metric equivalents. to change. c. america: 52-55-5-729-0425 uk: 44-141-810-8967 panel mounting dimensions mcdm plug and receptacle rear mounted plug and receptacle front mounted plug front mounted receptacle rear mounted number a b c of fig. + .004 [+ .102] + .004 [+ .102] + .005 [+ .127] contacts C.000 [?C000] C.000 [?C000] C.000 [?C000] 9 1 .412 [10.46] .177 [4.50] .570 [14.48] 2 .384 [9.75] .222 [5.64] .570 [14.48] 15 1 .562 [14.27] .177 [4.50] .720 [18.29] 2 .534 [13.56] .222 [5.64] .720 [18.29] 21 1 .712 [18.08] .177 [4.50] .870 [22.10] 2 .684 [17.37] .222 [5.64] .870 [22.10] 25 1 .812 [20.62] .177 [4.50] .970 [24.64] 2 .784 [19.91] .222 [5.64] .970 [24.64] 31 1 .962 [24.43] .177 [4.50] 1.120 [28.45] 2 .934 [23.72] .222 [5.64] 1.120 [28.45] 37 1 1.112 [28.24] .177 [4.50] 1.270 [32.26] 2 1.084 [27.53] .222 [5.64] 1.270 [32.26] 51 1 1.062 [26.97] .224 [5.69] 1.220 [30.99] 2 1.034 [26.26] .264 [6.71] 1.220 [30.99] panel cutout dimensions scr ew mounting note: front mounting preferred. p lug and receptacle
r ear mounted p lug front mounted
receptacle rear mounted p lug and receptacle
f ront mounted . 200 .005
[5.08 0.13 ] .395 .005
[ 10.03 0.13 ] .300 .005
[7.62 0.13 ] front full radius ( typ.) r r a a c b figure 1 rear figure 2 b full radius ( typ.) 116/ 1 17 c + .005 C .000 + 0 .13 C 0 .00 .089 [2.2 6 ] + .005 C .000 + 0 .13 C 0 .00 .0 7 5 [ 1.90 ] .0 1 5 [. 3 8 1 ] max. typ. .089 [2.2 6]
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