wirewound resistors, industrial power, tubular hlw, nhlw vishay dale www.vishay.com for technical questions , contact: ww2bresistors@vishay.com document number: 30210 84 revision: 13-jul-07 features ? high temperature silicon coating ? complete welded construction ? excellent for intermittent power and pulsing applications ? available in non-inductive styles (model nhlw) with aryton-perry winding ? axial or radial terminals for through hole or lead weld applications ? excellent stability in operation (< 3 % change in resistance) * pb containing terminations are not rohs compliant, exemptions may apply a v aila b le p b -free rohs* compliant e3 standard electrical specifications global model historical model power rating p 25 c w resistance range weight (typical) g 5 % 10 % hlw03 nhlw03 hlw-3 nhlw-3 3 1.0 - 6k 1.0 - 700 0.10 - 6k 1.0 - 700 1.16 hlw05 nhlw05 hlw-5 nhlw-5 5.25 1.0 - 15k 1.0 - 1.9k 0.10 - 15k 1.0 - 1.9k 2.12 hlw06 nhlw06 hlw-6 nhlw-6 8 1.0 - 20.5k 1.0 - 2.7k 0.10 - 20.5k 1.0 - 2.7k 4.60 hlw10 nhlw10 hlw-10 nhlw-10 10 1.0 - 29k 1.0 - 3.7k 0.10 - 29k 1.0 - 3.7k 6.24 hlw12 nhlw12 hlw-12 nhlw-12 12 1.0 - 58k 1.0 - 3.9k 0.10 - 58k 1.0 - 3.9k 6.60 hlw15 nhlw15 hlw-15 nhlw-15 15 1.0 - 60k 1.0 - 4.3k 0.10 - 58k 1.0 - 4.3k 8.82 hlw20 nhlw20 hlw-20 nhlw-20 20 1.0 - 95k 1.0 - 6.8k 0.10 - 95k 1.0 - 6.8k 11.36 technical specifications parameter unit hlw resistor characteristics temperature coefficient ppm/c 90 for 0.1 to 0.99 ; 50 for 1 to 9.9 ; 30 for 10 and above dielectric withstanding voltage v ac 1000, from terminal to mounting hardware short time overload - 10 x rated power for 5 s maximum working voltage v ( p x r ) 1/2 insulation resistance 1000 m minimum dry, 100 m minimum after moisture test operating temperature range c - 55 to + 350 global part number information new global part numbering: nhlw12a1z10r00jf (preferred part number format) global model terminal designation terminal finish resistance value tolerance packaging code special nhlw12 a1 a2 r1 r2 e = lead (pb)-free z = tin/lead r = decimal k = thousand 10r00 = 10.0 1k000 = 1 k j = 5.0 % k = 10.0 % e = lead (pb)-free foam pack f = tin/lead foam pack (f01) (dash number) (up to 2 digits) from 1 - 99 as applicable (see ?standard electrical specifications? table above for additional p/n?s) historical part number example: nhlw-12-a1z 10 5 % f01 (will continue to be accepted) nhlw-12 a1z 10 5 % f01 historical model terminal/finish resistance value tolerance packaging hlw1 2a1z 10r00 jf n
hlw, nhlw wirewound resistors, industrial power, tubular vishay dale document number: 30210 for technical ques tions, contact: ww2bres istors@vishay.com www.vishay.com revision: 13-jul-07 85 dimensions in inches [millimeters] terminal finish terminals are 20 awg for hlw03 and hlw05 size and 18 awg for all other sizes. ?e? finish - 100 % sn, coated copperweld ? . ?z? finish - 60/40 sn/pb coated copperweld ? . mounting hardware dimensions in inches [millimeters] material specifications element: copper-nickel alloy of nickel-chrome alloy, depending on resistance value core: ceramic, steatite coating: special high temperature silicone standard terminals: model ?z? terminals are tinned copperweld ? terminal bands: steel part marking: dale, model, wattage, value, tolerance, date code global model a (max.) b typ. c 0.031 [0.79] d typ. core dimensions axial terminal designation radial terminal designation mounting hardware length 0.063 [1.59] o.d. i.d. 0.031 [0.79] hlw03 0.297 0.282 0.063 0.047 0.438 0.203 0.125 a2z r2z - [7.54] [7.16] [1.59] [1.19] [11.11] [5.16] [3.18] hlw05 0.344 0.469 0.063 0.047 0.625 0.250 0.125 a2z r2z - [8.73] [11.91] [1.59] [1.19] [15.88] [6.35] [3.18] hlw06 0.406 0.688 0.125 0.094 1.000 0.313 0.188 a1z r1z 101, 204, 301 [10.32] [17.48] [3.18] [2.38] [25.40] [7.94] [4.76] hlw10 0.563 0.688 0.125 0.094 1.000 0.438 7.94 a1z r1z 101, 203, 301 [14.28] [17.48] [3.18] [2.38] [25.40] [11.11] [0.313] hlw12 0.406 1.438 0.125 0.094 1.750 0.313 4.76 a1z r1z 101, 204, 301 [10.32] [36.53] [3.18] [2.38] [44.45] [7.94] [0.188] hlw15 0.563 1.188 0.125 0.094 1.500 0.438 7.94 a1z r1z 101, 203, 301 [14.29] [30.18] [3.18] [2.38] [38.10] [11.11] [0.313] hlw20 0.563 1.688 0.125 0.094 2.000 0.438 7.94 a1z r1z 101, 203, 301 [14.29] [42.88] [3.18] [2.38] [50.80] [11.11] [0.313] axial terminal confi g uration d c a 1.50 0.125 [38.10 3.18] typ. 0.188 [4.76] typ. 1.50 0.125 [38.10 3.18] typ. radial terminal confi g uration b horizontal thru-bolt push-in vertical thru-bolt dimension bracket type 101 x 1.063 [26.99] y 0.500 [12.70] dimension bracket type z 0.859 [21.83] 203 204 h 1.000 [25.40] x 0.625 [15.88] 0.375 [9.53] dimension bracket type b 1.375 [34.93] h 0.672 [17.07] 0.281 [7.14] 301 c 0.750 [19.05] y 0.250 [6.35] 0.250 [6.35] x (approximate) 0.438 [11.11] mounting slot 0.219 x 0.438 z 0.469 [11.91] 0.344 [8.73] [5.56 x 11.11] hole (dia.) 0.161 [4.09] 0.144 [3.66] thread 8-32 core len g th plus ?x? 0.046 [1.17] b h y z c core len g th plus ?x? h y z threaded rod or screw centerin g washer mica washer lock washer nut 0.375 [9.52] min. core len g th plus ?x? derating % n i r e w o p d e t a r ambient temperature in c - 65 - 50 0 50 150 250 350 25 0 20 40 60 8 0 100 120
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