plca?044?s?s?n www.samtec.com plcc adaptors alignment pin option tail option number of terminals plca series ?s ?t =through hole (2,41) .095 = surface mount (0,76) .030 max (3,18) .125 (0,64) .025 ref ?n ?a alignment pins no alignment pins (2,16) .085 typ ref plating option (0,79) .031 dia typ (2) .850 (21,59) 1.150 (29,21) ?t = tin ?s = 30" (0,76m) au on terminal, tin on tail typical board layout number of pins ?020 ?028 ?032 ?044 ?052 ?068 ?084 e f (12,07) (12,07) .475 .475 (14,61) (14,61) .575 .575 (17,15) (14,61) .675 .575 (19,69) (19,69) .775 .775 (22,23) (22,23) .875 .875 (27,31) (27,31) 1.075 1.075 (32,39) (32,39) 1.275 1.275 (1,02) .040 dia typ(2) (0,64) .025 typ (1,27) .050 typ (3,94) .155 typ (2,16) .085 typ(4) e f ? 044 = 44 pins ? 068 = 68 pins plca = = applications plcc socket plca multi chip module (mcm) or quad flat pack (qfp) typical application (?s tails only) c b a d (4,44) .175 (1,57) .062 (1,65) .065 optional (2) (1,27) .050 typ (0,46) .018 sq typ note: some sizes, styles and options are non-standard, non-returnable. adaptors mate with plastic leaded chip carrier sockets samtec plca series adaptors use precision drawn, spring temper phosphor bronze wire for high reliability mating with most common plcc sockets. these adaptors are available with a choice of surface mount or through hole tails and either full tin plating or selective plating with gold on the contact area of the terminal. the insulator is fr-4 epoxy board, suitable for most infrared and vapor phase re ow soldering processes. it is available with or without alignment pins. see our full line catalog for a complete selection of surface mount plcc sockets, and adaptors for pin grid array and dual in-line package sockets. speci? cations plca insulator material: natural fr-4 epoxy board flammability rating: ul94-vo insulation resistance: 5000m min dielectric withstanding voltage: 600 vac max processing temp: 230? for 30 to 60 seconds operating temp range: -55? to +105? with tin; -55? to +125? with gold contact material: phosphor bronze plating: sn (200? (5,08?) nom, 150? (3,81?) min) or au over 50? (1,27?) ni current rating: 1a smt lead coplanarity: .006" (0,15mm) max lead?free solderable: contact samtec rohs compliant: yes number of pins ?044 ?068 bcd a .850 (21,59) 1.150 (29,21) .500 (12,70) .800 (20,32) .500 (12,70) .800 (20,32) f-208 supplement
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