746-050-553-201

746 SERIES Press-Fit Card Edge Connectors 0.125” (3.175mm) Pitch Features: • • • • • 0.125” (3.175mm) contact spacing x 0.250” (6.35mm) row spacing Accepts 0.062” (1.57mm) nominal thickness P.C. board High profile insulator body, 0.645”(16.38mm) with notched ends option Contact termination options include P.C. tail, and 0.025” (0.64mm) square wire wrap Press-fit compliant section for gas tight reliable connection in plated through holes eliminates soldering operations Single or dual row configurations Accepts between contact and in-contact polarizing keys (special features if requested) Tools available for insulator and contact removal. Simple “flat rock” tooling is used for connector installation RoHS Compliant & UL Certified • • • • Specifications: Insulator Material Thermoplastic Polyphenylene Sulfide (PPS), UL 94V-0, Black Color Contact Material Copper Alloy Contact Plating 30µ” Gold Plating on mating area and Tin Plating on tails with Nickel underplating all over Current Rating 3 amps Contact Resistance 10 milliohms maximum Dielectric Withstanding Voltage 1200 V AC rms at sea level between adjacent contacts Insulation Resistance 5000 megaohms minimum Operating Temperature -40°C to +105°C Insertion Force 16 oz (4.45 N) maximum per contact pair when tested with .070” (1.78mm) thick gauge Withdrawal Force 1 oz (0.28 N) minimum per contact pair when tested with .054” (1.37mm) thick gauge Contact insertion into Hole 20 lbs (89 N) Maximum Contact Retention in Hole 10 lbs (44 N) Minimum Re-Insertability in same Hole 1 Time Maximum Contact Rows: Description: Card slot Depth: 1 Single Row .515 (13.08) Slot Depth Total Number of Contacts 2 Dual Row .515 (13.08) Slot Depth Contact Code 5 Single Row .340 (8.64) Slot Depth 6 Dual Row .340 (8.64) Slot Depth Insulator Options: Description: 01 .645”(16.38mm) Full Height Ends 06 .550”(13.97mm) Notched Ends Example Part Number: 746-070-520-206 Series Contact Rows & Card Slot Depth Insulator Options Series: 746 Total Number of Contacts: Contact Rows: 005, 006, . . . . 060 Single Row 010, 012, . . . . 120 Dual Row Contact Code: Description: Contact Point: Tail Length “G”: 520 P.C. Tail Regular Point .190 (4.83) 525 P.C. Tail High Point .190 (4.83) 527 P.C. Tail High Point .375 (9.53) 540 Wire Wrap Regular Point .560 (14.22) 541 Wire Wrap Regular Point .750 (19.05) 545 Wire Wrap High Point .190 (4.83) 553 Wire Wrap High Point 560 Make Before Break (MBB) Contacts www.edac.net IN-CONTACT POLARIZING KEY P/N 745-240-328 BETWEEN CONTACT POLARIZING KEY P/N 306-240-318 .702 (17.83) .190 (4.83) Ordering Code Notes: 1) All connector sizes up to 60 contacts single row / 120 contacts dual row are available upon request. 2) Make-Before-Break switching contacts, assembled in specific contact positions are available upon request. customerservice@edac.net 746 SERIES Press-Fit Card Edge Connectors 0.125” (3.175mm) Pitch MBB CONTACTS MUST BE USED IN PAIRS AND IN INSULATOR AND CARD SLOT DEPTH OPTION SHOWN NOT AVAILABLE FOR 726 SERIES SECTION "Y" - "Y" CONTACT ROWS & INSULATOR OPTIONS "C" .245 (6.22) "D" .390 (9.91) .515 (13.08) .420 CARD (10.67) SLOT .550 (13.97) .550 (13.97) .420 (10.67) .550 (13.97) CARD SLOT ACCEPTS .054(1.37) TO .070 (1.78) THICK P.C. BOARD CODE 506 & 606 "Y" .160 (4.06) CODE 106 & 206 REGULAR POINT CONTACTS NOT RECOMMENDED. .645 (16.38) .100 (2.54) CODE 206 (MBB) CONTACTS .260 (6.60) REGULAR POINT OR .335 (8.51) HIGH POINT CONTACTS HIGH POINT CONTACTS. "Y" .340 (8.64) CARD SLOT "G" ± 0.020" .515 (13.08) CARD SLOT .025 (0.64) SQUARE P.C. & WIRE WRAP TAILS .125 (3.18) CODE 501 & 601 "E" CODE 101 & 201 CODE 201 (MBB) CONTACTS .250 (6.35) EDAC .340 (8.64) Single Row Versions May Require Backup Springs Depending upon the Application. RECOMMENDED DAUGHTER BOARD INSULATOR BOARD CODES TAB 101 & 201 - .535 (13.59) 106 & 206 - .440 (11.18) 501 & 601 - .360 (9.14) 506 & 606 - .265 (6.73) CARD SLOT DEPTH PLUS .020 (0.51) .050 (1.27) CUT OUT FOR BETWEEN CONTACT POLARIZING KEY MINUS .012 (0.30) +.000 -.015 (0.38) .080 (2.03) CUT OUT FOR IN-CONTACT POLARIZING KEY ( "D" .250 (6.35) ROW SPACING .040 (1.02) DIA ± .003 (0.08) SEE NOTE BELOW .008 (0.20) DIA .125 (3.18) "E" RECOMMENDED MOTHER BOARD HOLE PATTERN TO OBTAIN OPTIMUM COMPLIANT SECTION PERFORMANCE, DRILL HOLES .0453 ± .001 (1.15 ± 0.03) DIAMETER COPPER PLATE, .001 (25.4 MICRONS) MINIMUM THICKNESS, FOLLOWED BY TIN PLATE TO PROVIDE FINISHED HOLES .040 ± .003 (1.02 ± 0.08) DIAMETER NUMBER OF CONTACTS "C" "D" "E" Single Double Inch mm Inch mm Inch mm 5 10 0.910 23.11 0.750 19.05 0.500 12.70 6 12 1.035 26.29 0.875 22.23 0.625 15.88 15 30 2.160 54.86 2.000 50.80 1.750 44.45 18 36 2.535 64.39 2.375 60.33 2.125 53.98 22 44 3.035 77.09 2.875 73.03 2.625 66.68 25 50 3.410 86.61 3.250 82.55 3.000 76.20 28 56 3.785 96.14 3.625 92.08 3.375 85.73 30 60 4.035 102.49 3.875 98.43 3.625 92.08 35 70 4.660 118.36 4.500 114.30 4.250 107.95 36 72 4.785 121.54 4.625 117.48 4.375 111.13 40 80 5.285 134.24 5.125 130.18 4.875 123.83 43 86 5.660 143.76 5.500 139.70 5.250 133.35 50 100 6.535 165.99 6.375 161.93 6.125 155.58 60 120 7.785 197.74 7.625 193.68 7.375 187.33 www.edac.net customerservice@edac.net