22 r2 thru rx = r1 r1 r2 rx part number designation example: smr8s-1001j-ns62tr smr series, (8) 1 k resistors, 5% abs. tol., nickel, sn62 solder, tape & reel ____________________________________________ style: smr surface mount resistor ____________________________________________ type: 8 4, 6, 8, 10, 12, 14, 16 ____________________________________________ termination: s s = silver material : base metal : ____________________________________________ value: 1001 1 k resistance value : four digits (xxxx) with provisions for ?ve digits (xxxxx) if necessary. the ?rst three digits represent signi?cant ?gures. the last digit represents the number of zeros to follow. when fractional values of an ohm are required, the letter r is used as a decimal point. - ____________________________________________ tolerance: j j = 5% k = 10% m = 20% ____________________________________________ termination: ns62 ns60 = nickel barrier, sn60 finish : ns62 = nickel barrier, sn62 all come with nickel : ns63 = nickel barrier, sn63 ns96 = nickel barrier, sn96 ni50 = nickel barrier, in50 ni75 = nickel barrier, in75 nu = nickel, gold plate ____________________________________________ option: tr tr = tape and reel (heat seal std) pressure seal & paper tape available packaged in chip trays if not speci?ed x = special requirements code ____________________________________________ smr series of precision resistor networks for fine pitch, surface mount applications. these networks feature a lead pitch of (0.031) and are available in 4 to 16 pin-out styles. the standard value range is 2 to 10 m , isolated resistors. custom configurations are available. advanced processing techniques, including abrasively trimmed resistors, ensures maximum performance and stability. surface mount resistor networks e-mail: msithick@mini-systemsinc.com web site: http://www.mini-systemsinc.com made in america 8027 rev b 0604
23 surface mount resistor networks length width thickness number of number of inches inches inches style type resistors pin-outs (mm) (mm) (mm) smr 4 2 4 0.064 0.005 0.063 0.005 0.020 0.005 (1.626 0.127) (1.600 0.127) (0.508 0.127) 6 3 6 0.094 0.005 0.063 0.005 0.020 0.005 (2.388 0.127) (1.600 0.127) (0.508 0.127) 8 4 8 0.126 0.005 0.063 0.005 0.020 0.005 (3.200 0.127) (1.600 0.127) (0.508 0.127) 10 5 10 0.157 0.005 0.063 0.005 0.020 0.005 (3.988 0.127) (1.600 0.127) (0.508 0.127) 12 6 12 0.189 0.005 0.063 0.005 0.020 0.005 (4.801 0.127) (1.600 0.127) (0.508 0.127) 14 7 14 0.220 0.005 0.063 0.005 0.020 0.005 (5.588 0.127) (1.600 0.127) (0.508 0.127) 16 8 16 0.252 0.005 0.063 0.005 0.020 0.005 (6.401 0.127) (1.600 0.127) (0.508 0.127) _____________________________________________________________________ mechanical data _____________________________________________________________________ substrate: 96% alumina _____________________________________________________________________ _____________________________________________________________________ electrical performance characteristics _____________________________________________________________________ test per mil-prf-55342 msi typical _____________________________________________________________________ short term overload 0.03% high temperature exposure 0.05% thermal shock 0.07% low temperature operation 0.05% resistance to bonding exposure / soldering heat 0.09% moisture resistance 0.06% stability (life 70c 2,000hrs) 0.04% stability (life 70c 10,000hrs) 0.07% _____________________________________________________________________ _____________________________________________________________________ electrical data _____________________________________________________________________ power: 0.063 watts per resistor (p = e 2 /r) rating : voltage: 40 volts per resistor rating : tcr: 2 to < 5 : 300ppm/c 5 to < 100 k : 150ppm/c 100 k to < 1 m : 200ppm/c 1 m to < 10 m : 300ppm/c _____________________________________________________________________
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