Technical Specifications Technical Data Series 8251 8352 8275 8281 8381 Basic grid 100 (2 54) x 100 (2,54) Insertion Force 1-6 02 per contact Withdrawal force 75 oz min. per contact Contact resistance 12 millonms max for gold plating Current rating 3 amperes continous current shall not cause a temperature rise greater than 30C above ambient insulation resistance 5,000 megohms min at 500 VDC Dielectric withstanding voltage 1,000 VAC ms at sea level Operating temperature -55C to + 105C insulator material Thermoplastic polyester, 94 V-O, UL rated Socket contact material Phospher bronze Pin contact material Phospher bronze Wrap post dimension 025 x 025 Push-out force of post in insulator 8251-3 Ibs , 8352 - 2 lbs , Straight post headers - 3 Ibs , Compliant post headers - 1 Ib Contact plating Gold over nickel (see table this page) tin/lead Design Aids 164 Wipe Length 318 Post Length From Bottom of Board Slot -100 2 Post Length Paraliel Boards .318 Post Length 158 Wipe Length | Tepe b Consult factory for additional plating Me 9005715 0000211 275 -060 N ol Wipe 400 .100 100 Length Max. Post Length .300 Min. Recommended Post Length .170 STANDARD xX Y Z *This dimension can be accommodated Features to any size between 450 max. and 265 Pin Stop. 265 365 | 178 | 240 | min Tooling charges may apply Consult Preload - eieetaee alignment eS 335 435 | .168 | 300 | factory for details. PLATING DESCRIPTION U.L Recognized MATING AREA 30 Gold 15 Gold 90/200 Tin Lead ognize TAIL AREA Flash Flash 00/200 Tin Lead E27610 (M)Receptacle MATING AREA CLOSED ENTRY CONTACT PRE-LOADED FOR POSITIVE ALIGNMENT GUIDE POST SLOT TAIL AREA Ordering Code Typical Example NUMBER OF CONTACTS 010 thru 120, 130, 140, 150, 160 Fully loaded, increments of two (below 120 position) CONTACT CODE 000 VARIATION CODE SERIES NUMBER PLATING DESCRIPTION SERIES 8251 Horizontal with Guide Post Slots Dual Row Mating 30 15 30 15 Area Gold Gold Goid Goid Tail Gold Gold 100-200 400-200 Area Flash Flash Tin-Lead Tin-Lead CONTACT VARIATION CODE NUMBER TAIL LENGTH H 057 007 as2 842 115 / 2.92 058 008 833 843 150 / 3.81 Additional plating and tail lengths available. Consult factory. Mmm Recommended for standard applications Available through ELCO franchised distributors Pe we 9005715 ooon224 92h meReceptacle SERIES 8251 Horizontal with Guide Post Slots Dual Row NUMBER OF NUMBER OF positions| A B Cc positions| A B Cc 500 | 858 4200 | 4558 12 5 1270 | 2179 86 42 | 106.68 | 11577 900 | 1258 4400 | 4758 20 9 | 2286 | 3195 90 44 144176 | 2085 700 | 1458 4700 | 5058 ea 1 | o794 | 3703 96 47 | 41938 | 128.47 1400 | 1758 4900 | 5258 30 4 | 3556 | 4465 100 49 | 424.46 | 13355 1700 | 2058 5400 | 5758 36 7 | gaia | 5297 110 54 | 437 16 | 14625 1900 | 2258 5900 | 6258 40 19 | 4826 | 5735 120 59 | 14986 | 158 95 2400 | 2758 6400 | 6758 50 4 | 6096 | 7005 130 64 | 40256 | 17165 2900 | 3258 6900 | 7258 60 28 | 7360 | 8275 140 68 | 17526 | 18435 3400 | 3758 7400 | 7758 70 34 | g636 | 45.45 150 74 | 18796 | 19705 3500 | 3858 7900 | 8258 72 35 | gg90 | 9799 160 73 | 20066 | 209 75 3900 | 4258 80 39 |) 9906 | 10815 be Cc J 179 A 100 B 455 EQUAL SPACING @ 100 = ome O72 RAD TYP 180 a) oe F= > TO MATING 144 TYP POINT { 366 SSS SSS PC BOARD __t eel } y t O os, STANDOFF Cf F | og no 076 787 SECTION F-F oas * 003 gq DIA TYP RECOMMENDED PC BOARD LAYOUT . 17 mM 9005715 o00R2e5 &be