rs, ns vishay dale www.vishay.com 124 document number 30204 revision 22-mar-06 for technical questions, contact ww2bresistors@vishay .com features ? high temperature coating (> 350 c) ? complete welded construction ? meets applicable requirements of mil-prf-26 ? available in non-inductive styles (type ns) with aryton-perry winding for lowest reactive components ? excellent stability in operation (typical resistance shift < 0.5 %) ? lead (pb)-free version is rohs compliant wirewound resistors, military, mil-prf-26 qualified, type rw, precision power, silicone coated ** available tolerance for these mil parts is 5 % for 1 ? and above, 10 % below 1 ? . *** available tolerance for these mil parts is 0.5 % & 1 % for resistance values 0.1 ? and above, 0.1 % for resistance values 0.499 ? and above. ****vishay dale rs models have two power ratings depending on operation temperature and stability requirements. note: shaded area indicates most popular models. standard electrical specifications resistance range mil. range shown in bold face ? ? ? ? ? uv 0.05 % 3 % thru 3 %, 5 %, type thru 5 % 10 % 0.05 % 0.1 % 0.25 % 0.5 % & 1 % 10 % g rs1/8 rs-18 ? 0.125 ? ? ? ? 0.1 - 950 0.1 - 950 0.15 rs1/4 rs-1/4 ? 0.4 ? 1 - 1 k 0.499 - 1k 0.499 - 3.4 k 0.1 - 3.4 k 0.1 - 3.4 k 0.21 rs1/2 rs-1/2 ? 0.75 ? 1 - 1.3 k 0.499 - 1.3k 0.499 - 4.9 k 0.1 - 4.9 k 0.1 - 4.9 k 0.23 rs01a rs-1a ? 1.0 ? 1 - 2.74 k 0.499 - 2.74 k 0.499 - 10.4 k 0.1 - 10.4 k 0.1 - 10.4 k 0.34 rs01a...300 rs-1a-300 rw70*** 1.0 ? ? 0.499 - 2.74 k 0.499 - 10.4 k 0.1 - 10.4 k 0.1 - 10.4 k 0.34 1.0 ? 0.1 - 2.74 k rs01m rs-1m ? 1.0 ? 1 - 1.32 k 0.499 - 1.67 k 0.499 - 6.85 k 0.1 - 6.85 k 0.1 - 6.85 k 0.30 rs002 rs-2 ? 4.0 5.5 0.499 - 12.7 k 0.499 - 12.7 k 0.1 - 47.1 k 0.1 - 47.1 k 0.1 - 47.1 k 2.10 rs02m rs-2m ? 3.0 ? 0.499 - 4.49 k 0.499 - 4.49 k 0.1 - 18.74 k 0.1 - 18.74 k 0.1 - 18.74 k 0.65 rs02b rs-2b ? 3.0 3.75 0.499 - 6.5 k 0.499 - 6.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.70 rs02b...300 rs-2b-300 rw79*** 3.0 ? ? _ 0.499 - 6.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.70 3.0 ?? 0.1 - 6.49 k rs02c rs-2c ? 2.5 3.25 0.499 - 8.6 k 0.499 - 8.6 k 0.1 - 32.3 k 0.1 - 32.3 k 0.1 - 32.3 k 1.6 rs02c...17 rs-2c-17 ? 2.5 3.25 0.499 - 6.8 k 0.499 - 8.6 k 0.1 - 32.3 k 0.1 - 32.3 k 0.1 - 32.3 k 1.6 rs02c...23 rs-2c-23 rw69** ? 3.25 ??? ? 0.1 - 32.3 k 16 3.0 0.1 - 2.0 k rs005 rs-5 ? 5.0 6.5 0.499 - 25.7 k 0.499 - 25.7 k 0.1 - 95.2 k 0.1 - 95.2 k 0.1 - 95.2 k 4.2 rs005...69 rs-5-69 rw74*** 5.0 ? ? 0.499 - 25.7 k 0.1 - 95.2 k 0.1 - 95.2 k 0.1 - 95.2 k 4.2 5.0 ? 0.1 - 24.3 k rs005...70 rs-5-70 rw67** ? 6.5 ??? ? 0.1 - 95.2 k 4.2 ? 6.5 0.1 - 8.2 k rs007 rs-7 ? 7.0 9.0 0.499 - 41.4 k 0.499 - 41.4 k 0.1 - 154 k 0.1 - 154 k 0.1 - 154 k 4.7 rs010 rs-10 ? 10.0 13.0 0.499 - 73.4 k 0.499 - 73.4 k 0.1 - 273 k 0.1 - 273 k 0.1 - 273 k 9.0 rs010...38 rs-10-38 rw78*** 10.0 ? ? 0.499 - 73.4 k 0.1 - 273 k 0.1 - 273 k 0.1 - 273 k 9.0 10.0 ? 0.1 - 71.5 k rs010...39 rs-10-39 rw68** ? 13.0 ??? ? 0.1 - 273 k 9.0 ? 11.0 0.1 - 20 k power rating**** p 25 c w weight (typical) mil-prf-26 historical model global model available pb-free rohs* compliant e3 * pb containing terminations are not rohs compliant, exemptions may apply global model resistance tolerance code packaging special value (see standard electrical specifications global model column for options) r = decimal a = 0.05 % b = 0.1 % e70 = lead (pb)-free, tape/reel (smaller than rs005) (dash number) k = thousand c = 0.25 % d = 0.5 % e73 = lead (pb)-free, tape/reel (rs005 & larger) (up to 3 digits) 15r00 = 15 ? f = 1.0 % j = 5.0 % e12 = lead (pb)-free, bulk from 1-999 10k00 = 10 k ? k = 10.0 % lead (pb)-free is not available on rw military type as applicable s70 = tin/lead, tape/reel (smaller than rs005) s73 = tin/lead, tape/reel (rs005 & larger) b12 = tin/lead, bulk global part number information new global part numbering: rs02c10k00fs7017 (preferred part numbering format) rs0 2c10k0 0fs7017 historical part number example: rs-2c-17 10 k ? 1 % s70 (will continue to be accepted) historical model resistance value tolerance code packaging rs-2c-17 10 k ? 1 % s70
www.vishay.com 125 rs, ns vishay dale document number 30204 revision 22-mar-06 for technical questions, contact ww2bresistors@vishay .com dimensions wirewound resistors, military, mil-prf-26 qualified, type rw, precision power, silicone coated global dimensions in inches [millimeters] model material specifications element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value core: ceramic, steatite or alumina, depending on physical size coating: special high temperature silicone standard terminals: 100 % sn, or 60/40 sn/pb coated copperweld ? . note: military "rw" parts are only available with 60/40 sn/pb finish. end caps: stainless steel deviations for rs-1/8: thermoset silicone molded construction, endcaps will be nickel-silver alloy and terminals will be tinned copper part marking: dale, model, wattage*, value, tolerance, date code c d a 1.50 [38.10]* min. b ab c d (max.)** rs1/8 0.155 0.015 ? 0.065 0.015 0.020 0.002 [3.94 0.381] [1.65 0.381] [0.508 0.051] rs1/4 0.250 0.031 0.281 0.085 0.020 0.020 0.002 [6.35 0.787] [7.14] [2.16 0.508] [0.508 0.051] rs1/2 0.312 0.016 0.328 0.078 + 0.016 - 0.031 0.020 0.002 [7.92 0.406] [8.33] [1.98 + 0.406 - 0.787] [0.508 0.051] rs01a 0.406 0.031 0.437 0.094 0.031 0.020 0.002 rs01a...300 [10.31 0.787] [11.10] [2.39 0.787] [0.508 0.051] rs01m 0.285 0.025 0.311 0.110 0.015 0.020 0.002 [7.24 0.635] [7.90] [2.79 0.381] [0.508 0.051] rs002 0.625 0.062 0.765 0.250 0.031 0.040 0.002 [15.88 1.57] [19.43] [6.35 0.787] [1.02 0.051] rs02m 0.500 0.062 0.562 0.185 0.015 0.032 0.002 [12.70 1.57] [14.27] [4.70 0.381] [0.813 0.051] rs02b 0.560 0.062 0.622 0.187 0.031 0.032 0.002 rs02b...300 [14.22 1.57] [15.80] [4.75 0.787] [0.813 0.051] rs02c 0.500 0.062 0.593 0.218 0.031 0.040 0.002 [12.70 1.57] [15.06] [5.54 0.787] [1.02 0.051] rs02c...17 0.500 0.062 0.593 0.218 0.031 0.032 0.002 rs02c...23 [12.70 1.57] [15.06] [5.54 0.787] [0.813 0.051] 0.875 0.062 1.0 0.312 0.031 0.040 0.002 [22.23 1.57] [25.4] [7.92 0.787] [1.02 0.051] rs007 1.22 0.062 1.28 0.312 0.031 0.040 0.002 [30.99 1.57] [32.51] [7.92 7.87] [1.02 0.051] rs010 1.78 0.062 1.87 0.375 0.031 0.040 0.002 rs010...39 [45.21 1.57] [47.50] [9.53 0.787] [1.02 0.051] rs010...38 1.78 0.062 1.84 0.375 0.031 0.040 0.002 [45.21 1.57] [46.74] [9.53 0.787] [1.02 0.051] *on some standard reel pack methods, the leads may be trimmed to a shorter length than shown. note: rs-1/8 terminal length will be 1.0" [25.4 mm] minimum. **b (max.) dimension is clean lead to clean lead. ns non-inductive models of equivalent physical and electrical specifications are available with non-inductive (aryton-perry) winding. they are identified by substituting the letter n for r in the model number (ns-5, for example). *wattage marked on part will be "u" characteristic -65 -50 0 50 150 250 350 ambient temperature in c derating 120 100 80 60 40 20 0 rated power in % char. v char. u 25 rs005 rs005...69 rs005...70 *all ? r figures shown are maximum, based upon testing requirements per mil-prf-26. performance* test conditions of test test limits characteristic u characteristic v thermal shock rated power applied until thermally stable, then a min. of 15 minutes at - 55 c (0.2 % + 0.05 ? ) ? r (2.0 % + 0.05 ? ) ? r short time overload 5 x rated power (3.75 watt and smaller), 10 x rated power (4 watt and larger) for 5 seconds (0.2 % + 0.05 ? ) ? r (2.0 % + 0.05 ? ) ? r dielectric withstanding voltage 500 minimum for rs-1/8 thru rs-1a, 1000 for all others, duration of 1 minute (0.1 % + 0.05 ? ) ? r (0.1 % + 0.05 ? ) ? r low temperature storage - 65 c for 24 hours (0.2 % + 0.05 ? ) ? r (2.0 % + 0.05 ? ) ? r high temperature exposure 250 hours at: u = + 250 c, v = + 350 c (0.5 % + 0.05 ? ) ? r (2.0 % + 0.05 ? ) ? r moisture resistance mil-std-202 method 106, 7b not applicable (0.2 % + 0.05 ? ) ? r (2.0 % + 0.05 ? ) ? r shock, specified pulse mil-std-202 method 213, 100 g's for 6 milliseconds, 10 shocks (0.1 % + 0.05 ? ) ? r (0.2 % + 0.05 ? ) ? r vibration, high frequency frequency varied 10 to 2000 hz, 20 g peak, 2 directions 6 hours each (0.1 % + 0.05 ? ) ? r (0.2 % + 0.05 ? ) ? r load life 2000 hours at rated power, + 25 c, 1.5 hours ?on?, 0.5 hours ?off? (0.5 % + 0.05 ? ) ? r (3.0 % + 0.05 ? ) ? r 5 to 10 sec., 5 or 10 lb pull test (depending on size), torsion test - 3 alternating directions, 360 each terminal strength (0.1 % + 0.05 ? ) ? r (1.0 % + 0.05 ? ) ? r parameter unit rs resistor characteristics temperature coefficient ppm/ c 90 for below 1 ? , 50 for 1 ? to 9.9 ? , 20 for 10 ? and above dielectric withstanding voltage v ac 500 minimum for rs-1/8 thru rs-1a, 1000 minimum for all others maximum working voltage v (p x r) 1/2 insulation resistance ? 1000 megohm minimum dry, 100 megohm minimum after moisture test terminal strength lb 5 minimum for rs-1/8 thru rs-1a, 10 minimum for all others solderability ? mil-prf-26 type - meets requirements of ansi j-std-002 operating temperature range c characterisitic u = - 65/+ 250, characteristic v = - 65/+ 350 technical specifications two conditions apply: 1. for ns models, divide maximum resistance values by two 2. body o.d. on ns-2c may exceed that of the rs-2c by 010"
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