pins m a h i n e d c p r e c i s i o n pin receptacles for .040? - .060? diameter pins (#03 contact) and .059? - .063? diameter pins (#42 contact) www.mill-max.com 516-922-6000 155 order code: xxxx - x - 15 - xx - xx - xx -xx - 0 basic part # specify contact finish: specify shell finish: 01 200 " tin/lead over nickel 01 200 " tin/lead over nickel 14 10 " gold over nickel 15 10 " gold over nickel 27 30 " gold over nickel select contact #03 (data on page 213) or #42 contact x433-0-15-xx-03-xx-04-0 press-fit in .106 mounting hole 0433/8433 0434-0-15-xx-03-xx-10-0 press-fit in .106 mounting hole 0434 043x-0-15-xx-03-xx-10-0 solder mount in .102 min. mounting hole 0435/0436 specifications shell material: brass alloy 360, 1/2 hard contact material: beryllium copper alloy 172, ht dimension in inches tolerances on: lengths: .005 diameters: .002 angles: 2 basic part number length a 0433-0 8433-0 .120 .330 basic part number dia. c length k 0435-0 0436-0 .118 .125 .050 .070 0342-0-15-xx-42-xx-10-0 hex press-fit in .090.002 plated thru hole 0342 4064-0-18-xx-03-xx-10-0 surface mount 4064 & , ! 4 $ ) ! $ ) ! 0342 receptacle uses mill-max?s new #42 power contact. this receptacle will accept the ?.061.002 power pins of ? brick dc/dc converters. #42 contact has a very low resistance path and is rated for currents up to 50a. #42 contact can be ordered in standard receptacles that use #03 contact; or it can be specified as the spring element inside custom made receptacles for power connector applications. mechanical data #42 contact: insertion/extraction force with a ?.061 (nominal) pin : compliancy test (the ?spring back? characteristic of the contact to accept a ?.059 small pin after insertion of a ?.063 large pin) : (insertion/extraction forces are in newtons and measured with polished steel gage pins having elliptical shaped tips) electrical/thermal data #42 contact: the electrical conductivity (resistance) of #42 contact depends on the con- ductivity of the mating pin. tests were made with both ?.060 brass (26% iacs) and tellurium copper (93% iacs) pins. temperature rise was measured with the receptacles mounted to simulate the heatsinking of a multilayer circuitboard. first cycle 2nd & subsequent cycles insertion force extraction force insertion force extraction force 20n 6n 10n 6n initial cycle with ?.059 pin second cycle with ?.063 pin third cycle with ?.059 pin ins. force ext. force ins. force ext. force ins. force ext. force 18n 6n 22n 7n 3n 2n 0 2 4 6 8 10 12 14 16 18 20 5 101520253035404550556065707580859095100 a pp lied current ( am p s ) temperature rise (c) #42/brass pin #42/tecu pin contact/pin combination resistance insertion loss per pin @ 50a #42/ brass .322m ? .805w #42/tecu .213m ? .533w temperature rise vs. applied current
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