D Sub Plug Connector, 50 Position 8250 Series IDC compatible Dimples aid in EMI/ESD protection Lower insertion/withdrawal force than other 50 position products Available in either open or closed end cover Mounting options include #4-40 UNC or metric M2.5 threated inserts Conforms to Intelligent Peripheral Interface (IPI) standard Date Modified: November 29, 1999 TS-0035-15 Sheet 1 of 3 14 Physical Insulation Material: Flammability: Color: Contact Material: Plating Underplate: Wiping Area: Shell Material: Plating: Strain Relief Material: Wire Accommodation: Marking: Glass Filled Polyester (PBT) UL 94V-0 Gray Copper Alloy 100 µ″ (1.27 µm) Nickel — QQ-N-290, Class 2 30 µ″ (0.76 µm) Gold — MIL-G-45204, Type II, Grade C Steel Tin Stainless Steel .020 (0.50) Thick 26 & 28 AWG Solid or Stranded 3M Logo & Contact Position Numbers Electrical Current Rating: 1 A Insulation Resistance: > 1 × 109 Ω at 500 VDC Withstanding Voltage: 1000 Vrms at Sea Level Environmental Temperature Rating: –55° to +105° UL File No.: E68080 3M Interconnect Solutions Division 6801 River Place Blvd. Austin, TX 78726-9000 For technical, sales or ordering information call 800-225-5373 D Sub Plug Connector, 50 Position 8250 Series Closed End Cover 2.79 [ 70.9 ] .050 Ref [ 1.27 ] Open End Cover .73 Ref [ 18.5 ] .47 [ 11.9 ] 2.79 [ 70.9 ] Preassembled .46 ± .004 [ 11.7 ] Adhesive with Liner 2.53 ± .004 [ 64.3 ] .62 [ 15.7 ] Assembled Thickness .050 Ref [ 1.27 ] .42 [ 10.7 ] .236–.01 [ 6.0–0.3 ] 2.77 [ 70.4 ] 2.40 ± .004 [ 61.0 ] 49 2.074 ± .009 [ 52.68 ] 4 .112 [ 2.84 ] 48 See Ordering Information .281 [ 7.14 ] Max Screw Depth .60 [ 15.3 ] 1 50 .224 [ 5.69 ] 3 .054 [ 1.37 ] 2 .108 [ 2.74 ] .04 [ 1.02 ] .43 [ 10.9 ] Inch [mm] Tolerance Unless Noted .0 Notes: 1. xx Circled Numbers represent cable conductor number. 2. Preassembled closed cover is on Pin #1 side. Inch ± .1 .00 .000 ± .01 ± .005 [ ] Dimensions for Reference only Ordering Information Connector 8250-X00X Cover Style: 6 = Open Cover 7 = Closed Cover Strain Relief (Order Separately) 3448-8D50 Mounting Style: 5 = 4-40 UNC 6 = M2.5 TS-0035-15 Sheet 2 of 3 3M Interconnect Solutions Division 6801 River Place Blvd. Austin, TX 78726-9000 For technical, sales or ordering information call 800-225-5373 D Sub Plug Connector, 50 Position Mounting Method* Rear 8250 Series Dimensions Contact Quantity A1 B1 C1 D1 E1 F1 G1 50 2.218 [ 56.34 ] 1.109 [ 28.17 ] 2.40 [ 61.1 ] 1.20 [ 30.55 ] 0.525 [ 13.34 ] 0.26 [ 6.60 ] 0.120 [ 3.05 ] * Rear Mount — The connector is mounted behind the panel. R .032 Max. Typ [ 0.81 ] A1 10° 0° Typ B1 .120 [ 3.05 ] F1 E1 .060 [ 1.52 ] Full Radius Alternate GI Radius Typ D1 C1 Strain Relief (Order Separately or with Connector) 2.81 [ 71.4 ] .102 [ 2.6 ] .65 [ 16.5 ] .31 [ 7.9 ] TS-0035-15 Sheet 3 of 3 3M Interconnect Solutions Division 6801 River Place Blvd. Austin, TX 78726-9000 For technical, sales or ordering information call 800-225-5373