SM20 Vishay Dale Rack and Panel Connectors Subminiature Rectangular FEATURES SMP20 • Lightweight • Polarized by guides or screwlocks • Screwlocks lock connectors together to withstand vibration and accidental disconnect • Overall height kept to a minimum • Floating contacts aid in alignment and in withstanding vibration • Contacts, precision machined and individually gauged, provide high reliability • Insertion and withdrawal forces kept low without increasing contact resistance • Contact plating provides protection against corrosion, assures low contact resistance and ease of soldering SMS20 ELECTRICAL SPECIFICATIONS APPLICATIONS Current Rating: 7.5 A Breakdown Voltage: At sea level: 2000 VRMS At 70 000 feet [21 336 meters]: 500 VRMS For use wherever space is at a premium and a high quality connector is required in avionics, automation, communications, controls, instrumentation, missiles, computers and guidance systems. MATERIAL SPECIFICATIONS PHYSICAL SPECIFICATIONS Number of Contacts: 5, 7, 11, 14, 20, 26, 34, 42, 50, 75 Contact Spacing: 0.120" [3.05 mm] Contact Gauge: #20 AWG Minimum Creepage Path Between Contacts: 0.080" [2.03 mm] Minimum Air Space Between Contacts: 0.050" [1.27 mm] Contact Pin: Brass, gold plated Contact Socket: Phosphor bronze, gold plated (Beryllium copper available on request) Guides: Stainless steel, passivated Screwlocks: Stainless steel, passivated Standard Body: Glass-filled diallyl phthalate per MIL-M-14, Model GDI-30F, green DIMENSIONS in inches [millimeters] SMS With Fixed Standard Guides 0.190 [4.83] Typ. SMDS - DETAIL B Dip Solder Contact Option 0.470 [11.94] 0.187 [4.75] Typ. 0.220 [5.59] 2-56 UNC-2A Threads Typ. 0.030 [0.762] Typ. 0.156 [3.96] Typ. SMP With Fixed Standard Guides 0.120 [3.05] 0.530 [13.46] 0.220 [5.59] 0.141 [3.58] Typ. 0.046 [1.17] Dia. Solder Cup #20 AWG Typ. See Detail C 0.040 [1.02] Dia. Typ. See Detail B SMS With Fixed (SL) Screwlocks SMP With Turnable (SK) Screwlocks SMS With Turnable (SK) Screwlocks 0.920 [23.37] 0.520 [13.21] 0.220 [5.59] 0.110 [2.79] 2-56 UNC-2A Thread is standard Document Number: 36010 Revision: 05-May-09 0.910 [23.11] 0.220 [5.59] 0.046 [1.17] Wide x 0.062 [1.57] Deep Typ. 0.141 [3.58] Typ. 0.187 [4.75] Typ. 0.030 [0.762] Typ. 0.040 ± 0.001 [1.02 ± 0.025] Dia. Typ. SMP With Fixed (SL) Screwlocks 0.530 [13.46] 0.220 [5.59] 0.110 [2.79] 0.120 [3.05] SMDP - DETAIL C Dip Solder Contact Option 0.220 [5.59] 0.120 [3.05] 2-56 UNC-2A Thread is standard For technical questions contact: [email protected] www.vishay.com 16 SM20 Rack and Panel Connectors Subminiature Rectangular Vishay Dale DIMENSIONS in inches [millimeters] SMP With Turnable (SK035) Screwlocks SMP With Turnable (SK030) Screwlocks 0.590 [14.99] 0.220 [5.59] 0.120 [3.05] 0.046 [1.17] Wide x 0.062 [1.57] Deep Typ. 0.610 [15.49] 0.220 [5.59] SMS With Turnable (SK035) Screwlocks View A-A Typ. SMP With Turnable (SK030) Screwlocks 0.595 [15.11] A 0.093 [2.36] Hex Typ. 0.220 [5.59] A 0.156 [3.96] Dia. 0.156 [3.96] Dia. 0.046 [1.17] Wide x 0.062 [1.57] Deep Typ. 0.120 [3.05] 0.110 [2.79] 0.120 [3.05] 0.590 [14.99] 0.220 [5.59] 2-56 UNC-2A Thread is standard 0.156 [3.96] Dia. TERMINAL VARIATIONS in inches [millimeters] DIP SOLDER PC BOARD MOUNTING PATTERNS Male (SMP) Connector is shown - Female is opposite. Contact row and Mating Hole CL to CL Dimensions also applies to Solder Cup Connectors. 0.0625 [1.59] Typ. 0.250 B [6.35] Ref. 0.093 [2.36] Dia. Typ. 0.375 [9.53] Ref. A 0.531 [13.49] 0.054 [1.37] 0.140 [3.56] Typ. Typ. 0.108 [2.74] Ref. 0.054 [1.37] Typ. A 0.108 [2.74] Typ. 0.125 [3.18] Typ. 0.216 [5.49] Ref. 0.108 [2.74] Typ. 20 CONTACTS 1.250 [31.75] Ref. 1.562 [39.67] 0.156 [3.96] Typ. 0.054 [1.37] Typ. 0.108 [2.74] 0.324 [8.23] Typ. Ref. 42 CONTACTS www.vishay.com 17 1.500 [38.10] Ref. 0.125 [3.18] 0.216 [5.49] Typ. Ref. 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. 1.000 [25.40] Typ. 1.25 [31.75] 0.125 [3.18] Typ. 0.156 [3.96] Typ. 0.108 [2.74] Typ. 0.324 [8.23] Ref. 34 CONTACTS 0.093 [2.36] Dia. Typ. B 1.312 [33.32] 0.054 [1.37] Typ. 0.216 [5.49] Ref. 0.220 [5.59] 0.110 [2.79] A 1.812 [46.02] 0.156 [3.96] Typ. 0.054 [1.37] Typ. 0.750 [19.05] A 0.0625 [1.59] Typ. B A A C B A B C C B 14 CONTACTS 26 CONTACTS 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. 0.108 [2.74] Typ. 11 CONTACTS 1.000 [25.40] Ref. 1.0 [25.40] C 0.500 [12.70] Ref. 0.625 [15.88] 0.125 [3.18] 0.216 [5.49] Typ. Ref. 0.093 [2.36] Dia. Typ. 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. A B 0.108 [2.74] Typ. 0.125 [3.18] Typ. 0.108 [2.74] Ref. A 0.750 [19.05] Ref. C 0.375 [9.53] Ref. 0.625 [15.88] 0.0625 [1.59] Typ. C 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. B B 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. 7 CONTACTS 5 CONTACTS C 0.093 [2.36] Dia. Typ. 0.0625 [1.59] Typ. 0.093 [2.36] Dia. Typ. C B A 1.500 [38.10] Ref. 1.812 [46.02] 0.0625 [1.59] Typ. 0.108 [2.74] Typ. 0.324 [8.23] Ref. 50 CONTACTS For technical questions contact: [email protected] 0.108 [2.74] Typ. 0.156 [3.96] Typ. 0.540 [13.72] Ref. 75 CONTACTS Document Number: 36010 Revision: 05-May-09 SM20 Rack and Panel Connectors Subminiature Rectangular Vishay Dale DIMENSIONS in inches [millimeters] NOTE: The views below show the wiring side of a pin model connector (female is opposite). Socket hardware is assembled at “A” contact end of a pin model connector. 0.230 [5.84] 0.230 [5.84] 0.340 [8.64] 0.170 [4.32] 0.090 [2.29] R Typ. 0.340 [8.64] 0.340 [8.64] A A A A B C D E 0.780 0.531 [19.81] [13.49] A C B B C D E F D 0.625 [15.88] H F E K H 0.870 [22.10] J L D 0.625 [15.88] 0.870 [22.10] M H L B E C C F K J B D E 0.750 [19.05] N H J L 1.0 [25.40] M R P 7 CONTACTS H F A E J K N L 1.25 [31.75] T Z a c T 1.50 [38.10] Y W U b HH d 1.56 [39.62] BB EE DD JJ Y AA Z MM U X V Y CC P 1.312 [33.32] N S R V U W X M L P S R K J F K E D H E M P C B FF B F L D J M N S V X Z BB EE DD HH KK JJ RR UU SS TT 0.500 [12.70] 0.250 [6.35] 0.340 [8.64] 0.220 [5.59] E K B F L P R U Y V C D H H M P N W S W T X AA BB CC Z EE FF DD KK HH LL JJ PP MM NN RR UU SS TT VV YY WW ZZ XX A c a d b f e B J J c 1.812 [46.02] 2.06 [52.32] j R X d K S Y Female Screwlock Socket or Guide Socket D L T Z f M U a h g m 0.090 [2.29] Typ. F N V b i p n p k v t u AB w s z AA AC x y AF AJ AD AE AK AH AN AR AL AS AP AM AX AV AT AY AW AU BO BB AZ BE BA BC BH BJ BF r 0.156 [3.96] Typ. E C A A VV XX 42 CONTACTS 34 CONTACTS 0.720 [18.29] 0.560 [14.22] 1.82 [46.23] FF LL PP NN LL NN 1.562 [39.68] T W AA MM KK C H R CC WW 26 CONTACTS X 0.250 [6.35] 0.250 [6.35] A 1.25 [31.75] V U 20 CONTACTS 0.340 [8.64] C B D S 0.500 [12.70] 0.340 [8.64] 0.170 [4.32] 1.0 [25.40] N R T 14 CONTACTS 0.500 [12.70] 0.340 [8.64] A 11 CONTACTS F K M P W 5 CONTACTS 0.170 [4.32] 0.170 [4.32] Female Guide Socket 1.812 [46.02] TYPICAL END VIEW 34 THRU 50 CONTACTS 2.06 [52.32] Male Screwlock Pin or Guide Pin 0.090 [2.29] Typ. 0.156 [3.96] Typ. Male Guide Pin 50 CONTACTS Document Number: 36010 Revision: 05-May-09 75 CONTACTS For technical questions contact: [email protected] TYPICAL END VIEW 75 CONTACTS www.vishay.com 18 SM20 Rack and Panel Connectors Subminiature Rectangular Vishay Dale PANEL CUTOUT in inches [millimeters] A D 0.312 [7.93] A NUMBER OF CONTACTS A B C D 5 0.230 [5.84] 0.531 [13.49] 0.410 [10.41] - 7 0.230 [5.84] 0.625 [15.88] 0.500 [12.70] - 11 0.340 [8.64] 0.625 [15.88] 0.530 [13.46] - 14 0.340 [8.64] 0.750 [19.05] 0.620 [15.75] - 20 0.340 [8.64] 1.0 [25.40] 0.910 [23.11] - 26 0.340 [8.64] 1.25 [31.75] 1.16 [29.46] - 34 0.500 [12.70] 1.312 [33.32] 1.16 [29.46] 0.343 [8.71] 42 0.500 [12.70] 1.562 [39.68] 1.41 [35.81] 0.343 [8.71] 50 0.500 [12.70] 1.812 [46.02] 1.66 [42.16] 0.343 [8.71] 75 0.720 [18.29] 1.812 [46.02] 1.66 [42.16] 0.562 [14.28] 0.093 [2.36] Dia. Typ. 0.093 [2.36] Dia. Typ. D C B A 0.093 [2.36] C B C B 0.218 [5.54] 0.093 [2.36] FIGURE I FIGURE II FIGURE III FIGURE I II III ORDERING INFORMATION C CONTACTS SM MODEL Subminiature B CONTACT TYPE S CONTACT STYLE 20 CONTACT SIZE P = Pin S = Socket #20 AWG – G26 PLATING NUMBER OF CONTACTS (OPTIONAL) B = Beryllium copper, socket contacts (Solder cup) D = Dip solder contacts EXAMPLES: SMBS20-26SK035 = Female, 26 beryllium copper socket contacts with socket head knobs on turnable screwlocks for #20 AWG wiring. SMP20-14SL3 = Male, 14 contact pins, fixed screwlocks with 3-48 threads for #20 AWG wiring. 027 (1) HARDWARE OPTIONS 5, 7, 11, 14, 20, 26, 34, 42, 50, 75 Optional plating available: G = Gold (0.00003 thick) over nickel G5 = Gold (0.00005 thick) over nickel Omit designator for gold (0.00001 thick) over nickel (OPTIONAL) Closed entry socket contacts only. Omit for standard contacts. R (OPTIONAL) (OPTIONAL) R = Reversed guides or screwlocks Omit for standard (Omit if no hardware desired) 027 = Slotted cres guides 0.090" [2.29 mm] diameter SK = Turnable screwlocks with 2-56 threads SK3 = Turnable screwlocks with 3-48 threads SL = Fixed screwlocks with 2-56 threads SL3 = Fixed screwlocks with 3-48 threads SK030 = Turnable screwlocks with short slotted knobs SK035 = Turnable screwlocks with socket head knobs SK3030 = Turnable screwlocks with short slotted knobs with 3-48 threads SK3035 = Turnable screwlocks with socket head knobs with 3-48 threads Note (1) To order complete connector with hardware supplied unassembled, add suffix “UA” on end of hardware designation. www.vishay.com 19 For technical questions contact: [email protected] Document Number: 36010 Revision: 05-May-09 Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1