sales and corporate of?ce 1717 chicago avenue riverside, california 92507-2364 phone: (951) 788-1700 fax: (951) 369-1151 applications engineering 17271 north umpqua hwy. roseburg, oregon 97470-9422 phone: (541) 496-0700 fax: (541) 496-0408 e-mail: caddock@caddock.com ? web: www.caddock.com for caddock distributors listed by country see caddock.com/contact/dist.html ? 2004 caddock electronics, inc. ca d k do c type mx precision high voltage resistors 1.500 .125 (38.10 3.18) a b c the performance features of the type mx precision high voltage resistors are: ? seven models with voltage ratings from 7.5 kv to 48 kv. ? temperature coef?cient: 80 ppm/c from 0c to +70c. ? load life stability of 0.50% per 1,000 hours. ? resistance tolerance from 0.1% to 10%. ? non-inductive design. ? resistance range from 1 megohm to 2,000 megohms. speci?cations: resistance tolerance: 1%, 2%, 5%, or 10% (tolerance to 0.5%, 0.25%, or 0.1% on special order). temperature coef?cient: 80 ppm/c referenced to +25c, r taken at 0c and +70c. thermal shock: mil-std-202, method 107, cond. a, r, 0.20% max. moisture resistance: mil-std-202, method 106, r, 1.0% max. load life: 1,000 hours at rated voltage at +70c, not to exceed rated power, r, 0.50% max. lead material: tinned copper clad steel, solderable. encapsulation: screen printed high temperature silicone coating over resistor element. max. continuous oper . v olt. wa tt- age model no. a b c dimensions in inches and (millimeters) resistance min. max. mx 431 .940 .040 (23.88 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx 440 1.450 .040 (36.83 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx 450 2.080 .040 (52.83 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx 480 3.080 .050 (78.23 1.27) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx 485 3.940 .050 (100.08 1.27) .270 .02 0 (6.86 .51) .040 .002 (1.02 .05) mx 510 4.940 .080 (125.48 2.03) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx 515 5.940 .080 (150.88 2.03) .330 .020 (8.38 .51) .040 .002 (1.02 .05) 2.0 3.5 5.0 7.5 10.0 12.5 15.0 7,500 1 1,000 16,000 24,000 32,000 40,000 48,000 80 80 80 80 80 80 80 1 me g 1.5 meg 2 meg 3 meg 4 meg 5 meg 6 meg 150 meg 300 meg 500 meg 750 meg 1,000 me g 1,250 me g 2,000 me g tc ppm/ c the type mx precision high voltage resistors were speci?cally developed for use in industrial and general purpose high voltage systems. these resistors combine the proven performance of caddock's micronox ? resistance system with new cost efficient design elements. these resistors are intended for the design of high voltage systems where the system is not exposed to full military or space grade operating conditions. for full military or space grade operating conditions, we recommend caddock's type tg low tc precision high voltage resistors or type mg precision high voltage resistors. cost effective high voltage resistors for industrial and general purpose applications type mx resistors utilize caddock's patented coating design type mx precision high voltage resistors combine caddock's non- inductive serpentine pattern with a patented, high thru-put screen printed silicone coating. the alignment of the gap in the coating pattern with the gap in the serpentine resistor pattern provides a complete encapsulation of the resistor element. the cap and lead assemblies are pressed onto the resistor core, ?nishing the resistor and providing rugged terminal attachment. derating curve: dimensions in inches and (millimeters) mx 431 mx 450 mx 515 m x 480 mx 510 mx 485 mx 440 ra ted power or ra ted volta ge, % 100 80 60 40 20 0 ambient t empera ture, c 25 70 175 mx485 -100m - 1 % model number: resistor v alue: t olerance ordering information: certain products shown in this catalog are covered by one or more patents, there are also patents pending. 28_il113.1004 free datasheet http:///
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