STANDARD PLCC SOCKETS For Through Board Mount X 490 ! Series 940 * Note: Not end stackable. * Accepts JEDEC PLCCs MS-016 & MS-018 leaded plastic substrates. * Insulator material is glass reinforced PPS. * Standoffs provide clearance for heat dissipation and cleaning. * Internal standoffs insure proper positioning of chip carrier in socket. * Contacts are plated with 150" tin or 150" tin/lead. * Pre-lubricated available. Application of Pre-Lubricated Sockets: Intended as a general-pupose lubricant for tin/lead connectors, Nyetact 502M-20-UV is a solvent dispersion of a water-resistant, non-melting grease based on a plastic-compatible, synthetic hydrocarbon oil. Useful temperature range: -40 to 120C. The active lubricant is present at 20% (by weight) in mineral spirits. 0#" ,!9/54 $)! (/,% The pre-lubrication increases the reliability of standard sockets by preventing fretting corrosion. " $)! 3/,$%2 0!$ 490 # Pre-lubricated sockets can be used for any long life applications having a tin-tin interface. There is no degradation of lubrication during soldering or final wash. Contact the factory for other pre-lubricated products. 20 28 32* A B C Quantity per Tube No. of Contacts See page 96 for lubrication specifications. Ordering Information 0.613 0.200 0.400 38 940-XX-020-24-00X000 0.713 0.300 0.500 .813/.713 .400/.300 .600/.500 33 29 940-XX-028-24-00X000 940-XX-032-24-00X000 *RECTANGULAR 44 0.913 0.500 0.700 26 940-XX-044-24-00X000 52 1.013 0.600 0.800 23 940-XX-052-24-00X000 68 1.213 0.800 1.000 19 940-XX-068-24-00X000 84 1.413 1.000 1.200 16 940-XX-084-24-00X000 100 1.603 1.200 1.400 25 940-XX-100-24-00X000 2O(3 %# w w w. m i l l - m a x . c o m Plating Code XX = 99 150" Sn/Pb XX = 44 150" Sn 92 X = 0 Not Lubricated X = 1 Pre-Lubricated 516-922-6000