tel : 82-32-817-4325 r esistors a nd fax : 82-32-817-4329 r esistive a pplications website : http://www.raraohm.com email : sales1@raraohm.com dec.4.2008 ctr high voltage resistors - high power resistors - high energy resistors features series 800 and 1000 ceramic tubular resistors(ct r) are available in a wide variety of sizes and terminations from 2" to 24" in length and ?" to 2 " in diameter. these resistors can handle up to 1000 watts, 165 kj and 165 kv in resistance values from 1 ohm to 1 megohm. applications type sp - motor drive circuits - snubber circuits - high-frequency circuits - rf dummy loads - dynamic braking - transformer protection - harmonic filter type as - impulse generators - high-voltage circuits - x-ray equipment - high voltage power supplies - laser/imaging equipment - capacitor charge/discharge type a - bleeder - capacitor charge/discharge ? just to name a few uses characteristics characteristics type sp type as type a maximum operating temperature ** -55c to +350c -55c to +230c -55c to +230c temperature coefficient(%/ ) +0.2 to -0.08%/ +0.0 to -0.08%/ +0.0 to -0.2%/ percent per c, -55c to maximum rated temperature voltage coefficient -1.0% -1.0% - maximum percent per kilovolt per inch active length (overall length less termination) short time overload 5% 2 % - maximum percent change after 5 cycles 10 times rated power, 5 seconds on, 90 seconds off load life 5% 5% - max. % change after 1000hours at rated power thermal shock 3 % 3 % - moisture resistance 5% 5% 5% maximum percent change when tested per mil-std-202 method 103 ** note : when required, type sp material can withstand sh ort periods of use at red-heat conditions, i.e. up to 550 to 600 ordering procedure example & terminal end options sp no suffix=standard aluminum metalized ends no-arc terminal not available on sp products g=radial tab, riveted and soldered g1=radial tab, riveted and no solder as ds=standard dielectric coating and silver metalized ends n=no-arc terminal an d dielectric coating no=no-arc terminal with oil resistant coating dg=radial tab, riveted and soldered with dielectric coating dg1=radial tab, riveted and no solder with dielectric coating go=radial tab, riveted and solder ed with oil resistant coating to=soldered end and o il resistant coating a no suffix=standard nickel metalized ends d=dielectric coating dg=radial tab, riveted and soldered with dielectric coating n=no-arc terminal an d dielectric coating no=no-arc terminal with oil resistant coating dg=radial tab, riveted and soldered with dielectric coating dg1=radial tab, riveted and no solder with dielectric coating go=radial tab with oil resistant coating to=soldered end and o il resistant coating
tel : 82-32-817-4325 r esistors a nd fax : 82-32-817-4329 r esistive a pplications website : http://www.raraohm.com email : sales1@raraohm.com dec.4.2008 demensions - inches(millimeter) special sizes are available; consult factory. type a b c(sp & as) c(a) d 884sp 885 sp, as & a 886 sp, as & a 2.0(50.8) 2.5(63.5) 5.0(127) 0.50(12.7) 0.75(19.05) 0.75(19.05) 0.22(5.58) 0.50(12.7) 0.50(12.7) - 0 0 0.25(6.35) 0.50(12.7) 0.62(15.74) 887sp, as & a 888 sp, as & a 889 sp, as & a 6.0(152.4) 8.0(203.2) 12.0(304.8) 1.00(25.4) 1.00(25.4) 1.00(25.4) 0.75(19.05) 0.75(19.05) 0.75(19.05) 0.5(12.7) 0.5(12.7) 0.5(12.7) 0.50(12.7) 0.88(22.35) 0.88(22.35) 890 sp, as & a 891 sp 892 sp 18.0(457.2) 18.0(457.2) 24.0(609-6) 1.00(25.4) 2.00(50.8) 2.00(50.8) 0.75(19.05) 1.50(38.1) 1.50(38.1) 0.5(12.7) - - 0.88(22.35) 1.00(25.4) 1.00(25.4) 1026 as 1028 as 1032 as 1038 as 1044 as 6.0(152.4) 8.0(203.2) 12.0(304.8) 18.0(457.2) 24.0(609.6) 1.50(38.1) 1.50(38.1) 1.50(38.1) 1.50(38.1) 1.50(38.1) 1.00(25.4) 1.00(25.4) 1.00(25.4) 1.00(25.4) 1.00(25.4) - - - - - 0.50(12.7) 0.88(22.35) 0.88(22.35) 0.88(22.35) 0.88(22.35) derating curve & surface temperature rise versus power derating curve power ratings are based on maximum allowable surface temperature in still air at 40 ambient temperature. surface temperature rise versus power (curve is typical for resistor midpoint with horizontal orientation in stillair)
electrical specifications length & diameter (inches) type resistance available (ohms) min. to max. average power @ 40c (watts) peak* energy (joules) peak* voltage** (volts) 2 x 1/2 884sp 1.0-200 22.5 250 1,000 2-1/2 x 3/4 885sp 1.0-130 45 250 1,000 885as...ds 6.0-1200 15 2,800 8,000 885a 1500-220k 15 750 3.750 5 x 3/4 886sp 1.0-330 90 500 4,000 886as..ds 15.0-3300 30 7,500 20,000 886a 3900-390k 30 1,500 10,000 6 x 1 887sp 1.0-330 150 1,600 4,000 887as...ds 12.0-3300 50 13,000 30,000 887a 3900-390k 50 6,000 12,000 6 x 1-1/2 1026as..ds 5.0-1200 70 30,000 30,000 8 x 1 888sp 1.0-390 190 2,100 6,000 888as..ds 15.0-3900 75 16,500 45,000 888a 4700-470k 60 7,500 15,000 8 x 1-1/2 1028as..ds 6.5-1875 100 46,000 45,000 12 x 1 889sp 1.0-680 275 3,200 10,000 889as..ds 25.0-6800 100 27,000 75,000 889a 8200-680k 90 12,500 25,000 12 x 1-1/2 1032as..ds 9.0-2500 150 75,000 75,000 18 x 1 890sp 1.0-1000 375 4,200 16,000 890as..ds 40.0-10k 150 43,000 120,000 890a 12k-1m 125 20,000 40,000 18 x 1-1/2 1038as..ds 15.0-3800 225 119,000 120,000 18 x 2 891sp 1.0-450 750 15,000 16,000 24 x 2 892sp 1.0-600 1000 17,500 22,000 24 x 1-1/2 1044as 20.0-4800 300 164,000 165,000 *allowable peak energy/voltage will depend on the resistance value; consult factory **derate by 50% with oil resistant coating on type as resistors. energy ratings are based on pulses <10 milliseconds. type sp ratings can be substantia lly greater for longer pulses. consult factory.
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