Rectangular Connectors High Density Standard Module (HDSM) Connectors Features n n n n n n n n n n n n Basic design offers 38, 78, 120, 152, 200, 304, and 400 contact designs High reliability twist pin and socket per MIL-DTL-83513 and MIL-DTL-55302 Connector permits lateral movement of daughter board to accommodate clamping of the heatsink Rectangular Connectors n Designed for surface mounting on both daughter board and mother board for increased circuit density Plated through-hole mounting available Available with flying leads Extender card option available Typical mating force for 304 contacts is 38 pounds Designed to withstand vapor phase soldering Two rotatable (six position) polarizing keys are provided accommodating 36 possible combinations Jackscrew hardware available; consult Tyco Electronics Different modular inserts may be specified to include coax (Pixi/Con), fiber optic or other special contacts Inserts may be partially or fully loaded and installed in the connector shell in various configurations The MICRODOT HDSM connector is designed for 4 row .050 [1.27] pitch density with a special low force twist pin that meets all requirements of MILDTL-55302 and MIL-DTL83513. This high density connector allows the use of construction to double the packaging density with surface mount capability. 2 Performance Data Summary Electrical Materials and Finishes Contacts -- Pin 24 AWG twist pin, Socket #24 AWG, Wire range 24 AWG to 32 AWG solid and stranded. Contact Resistance (voltage drop) -- 25 millivolts max. at 3 amps, 25 3 C. Current Rating -- 3 amps max. per contact Dielectric Withstanding Voltage -- Volts RMS 60 Hz at room ambient: 600 V for solder pots at sea level. 150 V for solder pots at 70,000 ft. [21,336m] 500 V for wire terminations at sea level. 200 V for wire terminations at 70,000 ft. Insulation Resistance -- 5,000 megohms min. at room ambient. Magnetic Permeability -- 2 m max. Contacts -- Copper alloy plated with .000050 [0.00127] gold over copper flash per MIL-G-45204, Type II. Metal Shell -- Insulator -- Liquid Crystal Polymer (LCP) per ASTM D5138 or Polyphenylene Sulfide per MIL-M-24519 Body Shell -- Aluminum alloy plated Nickel, electroless per MIL-C-26074. Mechanical Contact Spacing -- .050 [1.27] centers Contact Engagement & Separation -- 5.0 oz max. [1.39N] (eng.) 0.5 oz. min. [.14N] 3.5 oz. typ. [.97N] (sep.) force. Environmental Temperature Range -- -67F to 257F [-55 C to +125 C]. Vibration -- No discontinuity in excess of 1 micro sec. when tested in accordance with MIL-STD-1344, Method 2005, test Condition IV. Insulator Retention -- Inserts will withstand a 50 lb. per square inch load in either direction. Shock -- No discontinuity in excess of 1 micro sec. when tested in accordance with MIL-STD-1344, Method 2004, test Condition E. Durability -- No mechanical or electrical defects detrimental to the function of the connectors after 500 cycles of mating and unmating. (Caution: Mating force increases during durability cycling may be noted). Humidity -- After exposure to humidity as specified by MIL-STD-1344, Method 1002, Type II, IR shall be 1 megohm min. immediately following step 7a of Method 1002 and 1000 megohms min. after 24 hours of conditioning per Method 1002. Salt Spray -- Connectors shall meet the performance requirements of contact resistance, mating and unmating forces, and contact retention after being subjected to the 48-hour 5% solution salt spray test per MIL-STD-1344, Method 1001, Condition B. Crimp Termination Tensile Strength -- *Unassembled contacts with crimped stranded wire terminations. Wires will not pull out of contacts when the following axial loads are applied: 24 AWG, 5 lbs., 26 AWG, 4 lbs., 28 AWG, 3 lbs. 51 Catalog 1308638 Revised 8-05 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967 Rectangular Connectors High Density Standard Module (HDSM) Connectors (Continued) A B .025 Typ. [0.64] .050 Typ. [1.27] A B .050 [1.27] .150 [3.81] .050 Typ. [1.27] .360 [9.14] 38 & 78 Position Plug 120, 152 & 200 Position Plug Mtg. Nut/Polarizing Key (Customer Installed) 2 Supplied (Packed Loose) Socket Side Flat Screw 2-56 UNC-2A Thd. Receptacle Polarizing Key 2-56 UNC-2B Thd. Plug Polarizing Key 2-56 UNC-2B Thd. Flat Screw 2-56 UNC-2A Thd. A Pin Contact A A1 .290 [7.34] .165 [4.19] Pin Side Keying Hardware C Ref. A15 (19) (25) A16 (20) (26) B16 (20) (26) B15 (19) (25) D .050 .050 [.127] [.127] A30 (38) (50) B30 (38) (50) .025 A1 [0.64] B1 A9 (19) B10 (20) } End Cav. A1 Near Side Marked As Shown End Cav. D1 Far Side Insulator A A1 .290 Ref. [7.37] .505 [12.83] .350 Min. [8.89] Ref. Housing Lead Organizer .350 Min. [8.89] 2-56 UNC-2B Thd. x .125 [3.17] DP 28 AWG Wire Solder Dipped O.010 [0.25] (All Leads) B1 Section A-A .200 [5.08] .300 .490 Max. [7.62] [12.50] C10 (20) D9 (19) C15 (19) (25) C16 (20) (26) C1 C30 (38) (50) D1 D30 (38) (50) C D16 (20) (26) C1 D1 D15 (19) (25) C (38 & 78) (120, 152 & 200) .025 Typ. [0.64] .050 Typ. [1.27] A B .050 [1.27] 2 Plcs. .050 [1.27] .150 [3.81] .250 [6.35] D C B A .360 [9.14] Mtg. Nut/Polarizing Key 304 & 400 Position Plug (Customer To Install) 2 Supplied (Packed Loose) 'A76' (304) 'A100' (400) Near Side Marking 'D76' (304) 'D100' (400) Far Side Marking 'A1' Near Side Marking 'D1' Far Side Marking .290 .290 [7.34] Ref. [7.37] A D Ref. CL .125 Ref. [3.18] D75(99) C75(99) D76(100) B76(100) A58(76) B58(76) A59(77) B59(77) A57(75) B57(75) A56(74) B56(74) B39(51) A39(51) B40(52) A40(52) Standoff, 2-56 UNC-2B Thd. x .125 [3.17] Min. Thd. .250 [6.35] B38(50) A38(50) B37(49) A37(49) A20(26) B20(26) A21(27) B21(27) A19(25) B19(25) A18(24) B18(24) Housing Lead Organizer .165 [4.19] .050 Ref. [1.27] C (2 Plcs.) Insulator .505 [12.83] A1 A*** Pin Contact A 2-56 UNC-2B Thd. x .125 [3.17] DP 28 AWG Wire Solder Dipped fl.010 [0.25] (All Leads) B3 A3 B4 A4 A2 B2 A1 B1 .060 Thick [1.52] .062 [1.58] .350 [8.89] Min. Section A-A .220 [5.59] .590 .340 .460 Max. [8.64] [11.68] [14.99] C76(100) D76(100) C75(99) D75(99) .050 Typ. [1.27] .100 Typ. [2.54] C59(77) D59(77) C58(76) D58(76) .025 Typ. [0.64] .075 Typ. [1.91] C56(74) D40(52) D56(74) C40(52) C57(75) D39(51) D57(75) C39(51) D Typ. .050 2 Plcs. [1.27] D37(49) C37(49) D38(50) C38(50) C21(27) D21(27) C20(26) D20(26) C18(24) D18(24) C19(25) D19(25) D4 C4 D3 C3 C1 D1 C2 D2 .100 [2.54] Size 304 & 400 (Terminal Ident In Parentheses Is For Size 400) 52 Catalog 1308638 Revised 8-05 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967 Rectangular Connectors High Density Standard Module (HDSM) Connectors (Continued) C D9(19) C10(20) B10(20) A9(19) .220 [5.59] D1 C1 .226 Typ. [5.74] C B1 A1 .195 [4.95] B1 A1 (120, 152 & 200) H Ref. Dim. 32 AWG, Solder Dipped G Gage Dim. I.D. Of Bushing O .132 O .062-.064 [3.35] [1.57-1.61] Full Radius Typ. .370 [9.40] D Ref. .050 [1.27] B A .695 .545 [17.65] [13.84] .645 [16.38] B A A9(38)A19(76)A30(120) A38(152)A50(200) Near Side Marking D9(38)D19(76)D30(120) D38(152)D50(200) Far Side Marking Section B-B .025 [0.64] Typ. .050 Typ. [1.27] A B 38 & 78 Position Receptacle CL Of Radius Of Leads .050 .188 .015 Typ. [1.27] [4.78 0.38] .348 [8.84] A1 Near Side Marking D1 Far Side Marking 120, 152 & 200 Position Receptacle Insulator Section A-A B C .195 Ref. [4.95] .025 Typ. [0.64] .150 [3.81] .050 [1.27] Housing Socket Contact Polarizing Key, 2 Supplied 2-56 UNC-2B Thd. (Packed Loose) A B .050 Radius [1.27] Typ. "Break Away" Notch (All Leads) CL Of Mtg. Hole Rectangular Connectors Torlon Bushing (4 Rqd) Typ. At .545 [13.84] Dim. C Ref. .025 [0.64] F Free State O .008 M [.2.03] A M .160 [4.06] (38 & 78) E -A- Flat Screw, 2 Supplied 2-56 UNC-2A Thd. (Packed Loose) D1 C1 D 2 Size 38 & 78 .050 [1.27] D Typ. .025 Typ. [0.64] .360 [9.14] .050 [1.27] .195 Ref. [4.95] C B Size 120, 152 & 200 Recommended PCB Footprint Pattern Flat Head Screw (2 Plcs.) 2-56 UNC-2A Thd. (Packed Loose, Customer To Install) B B/2 (2 Plcs.) .360 [9.14] C1 D1 H Ref. Dim. G Gage Dim. 32 AWG, Solder Dipped F Free State O .008 M [.2.03] A M (Typ.) At .545 [13.84] Dim. .025 Typ. [0.64] B .250 [6.35] .160 Typ. [4.06] Full Radius Typ. C (2 Plcs.) D (4 Plcs.) .050 Typ. [1.27] A .226 B1 A1 [5.74] .370 [9.40] .645 .545 [16.38] .695 [17.65] [13.84] B A76(304) A100(400) Near Side Marking D76(304) D100(400) Far Side Marking .250 [6.35] .050 [1.27] 2 Plcs. A .025 Typ. [0.64] .050 Radius [1.27] Typ. "Break Away" Notch (All Leads) CL Of Mtg. Hole CL Of Radius Of Leads .050 .188 .015 Typ. [1.27] [4.78 0.38] .348 [8.84] A1 Near Side Marking D1 Far Side Marking Housing Socket Contact .050 Typ. [1.27] Insulator Section A-A B Polarizing Key (2 Plcs.) (Packed Loose, Customer To Install) B A .050 [1.27] .150 [3.81] .018 [0.46] .035 [0.89] 1/2 B (2 Plcs.) .195 [4.95] D Typ. 2 Plcs. C (2 Plcs.) Size 304 & 400 Recommended PCB Footprint Pattern 53 Catalog 1308638 Revised 8-05 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967 Rectangular Connectors High Density Standard Module (HDSM) Connectors (Continued) No. of Cavities Single Bay A Dim. B Dim. C Dim. D Dim. 38 1.000 25.40 1.500 38.10 2.050 52.07 2.450 62.23 3.050 77.47 .840 21.34 1.340 34.04 1.890 48.01 2.290 58.17 2.890 73.41 .450 11.43 .950 24.13 1.500 38.10 1.900 48.26 2.500 63.50 -- .725 18.42 .925 23.50 1.225 31.12 4.600 116.84 5.800 147.32 4.440 112.78 5.640 143.26 1.900 48.26 2.500 63.50 .925 23.50 1.225 31.12 78 120 152 200 -- Double Bay 304 400 How To Specify S -- Solder pot Z -- Coke Bottle Termination (Receptacle only, see Table I) ZA -- 4 Row Wire Termination (Plug only) ZB -- 8 Row Wire Termination (Plug only) X -- Special Wire and/or other than above HDSM 1 152 L 4 L 4 0.5 Connector Series Contact Location Wire Length 1 -- Full complement of contacts 2 -- Contacts in outside row only 3 -- Contacts in inside row only 4 -- Other than above or special housing Wire Color/Finish 1 -- All white 2 -- All yellow 3 -- All gray Layout 4 -- Gold plated 5 -- Tin dipped gold plated 6 -- Bare (unfinished) 7 -- Color coded per MIL-STD-681, System 1 8 -- Special color code 9 -- Ten basic color repeating on each row (A, B, C, D) (starting with black) 38, 78, 120, 152, 200, 304 & 400 Contact Type Wire Type L -- Low Force Pin SL -- Low Force Socket *A -- Type E, 7 strand *B -- Type ET, 7 strand *C -- Type E, 19 strand Wire Size 4--24 AWG 5--25 AWG Table I 6--26 AWG 8--28 AWG 0--30 AWG Dash No. 1 2 3 4 *D -- Type ET, 19 strand F -- 7 strand per MIL-W-22759/11 (#28 AWG only) G -- 19 strand per MIL-W-22759/11 26 AWG, 24 AWG L -- Copper, solid Q -- Stranded per MIL-W-22759/33 *Per MIL-W-16878 Gap Between Bushing "E" .100 2.54 .093 2.36 .118 2.99 .145 3.68 F Dim. G Dim. .120 3.05 .060 1.52 .235 5.97 .120 3.05 .180 4.57 .150 3.81 .260 6.60 .180 4.57 H Dim. (Ref.) .330 8.38 .330 8.38 .483 12.27 .330 8.38 54 Catalog 1308638 Revised 8-05 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967