1 2 3 part number ordering procedure reference guide insulator plate thickness 51- 1004818- * 1 * 0 contact t ype insulator plat e thickness socket configuration code (see page 126) special acceptable socket terminal length minimum pin length : 2.4mm maximum pin length : 3.8mm (if above 3.8mm, groove is required on the insulator) material insulator: polyetherimide (pei) inner contact: beryllium copper (becu) 172 heat treated gold plating (30?) over nickel plating (50?) outer sleeve: brass alloy 360 1 / 2 h t in plating (200?) over nickel plating (100? ) or gold plating (10?) over nickel plating (100?) pitch pitch: 1.27mm (50mil) is standard pitch (less is considered fine pitch) socket series code socket serie s series code contac t t ypes ic51 (fine pitch <.1.27) 51 a,b,c ic51 (standard pitch = 1.27) 51 d,e, f ,g ic53 (fine pitch <1.27) 53 a,b,c ic53 (standard pitch = 1.27) 53 d,e, f ,g ic100 10 d,e, f ,g ic107 07 d,e, f ,g ic120 20 d,e, f ,g ic-176 76 d,e, f ,g ic189 19 a,b,c ic191 91 a,b,c ic200 00 a,b,c ic201 01 a,b,c socket series series code contac t t ypes ic2 1 1 1 1 a,b,c ic218 28 a,b,c ic235 35 a,b,c np89 89 h,i,j np92 92 a,b,c np161 61 h,i,j np171 71 h,i,j np178 78 k,l,m np195 95 k,l,m np236 36 k,l,m np276 27 n code dimensions 1 3.17mm (0.125) standard (no groove possible) 2 4.45mm (1.75) groove optional 3 5.20mm (0.205) groove optional code dimensions 4 5.84mm (0.230) groove optional 5 6.00mm (0.236) groove optional 6 6.50mm (0.256) groove optional 7 8.00mm (0.315) groove optional r e c e p t a c l e s design rules
r e c e p t a c l e s d e s i g n r u l e s 1 2 4 contact type
1 2 5 r e c e p t a c l e s design rules notches on insulator groove please note: notched receptacles may be used for handler applications please note: on some sockets, the contact tails are too long to seat flush therefore, an additional groove will be need- ed . (standard receptacle accepts 3.8mm max contact tail.) without notch & without groove without notch & wit h groove with notch & groove with notch & without groove
r e c e p t a c l e s design rules 1 2 6 guideposts / notches / grooves code guidepost notch groove a with guidepost no no b with guidepost y e s no c with guidepost no y e s d with guidepost y e s y e s e with center hole no no f with center hole y e s no g with center hole no y e s h with center hole y e s y e s i solid top no no j solid top y e s no k solid top no y e s l solid top y e s y e s with center hole with guidepost solid top groove arrays inline memory modules quad flat packages small outline packages speciality t est products configuration code
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