sales and corporate offce 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 ? 2010 caddock electronics, inc. 28_il113.0610 rated power or rated voltage, % 100 80 60 40 20 0 ambient temperature, c 25 70 175 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: ? five models with voltage ratings from 7. 5 kv to 32 kv. ? temperature coeffcient: 80 ppm/c from 0c to +70c. ? load life stability of 0.50% per 1,000 hours. ? resistance tolerance: 1% standard. ? non-inductive design. ? resistance range from 1 megohm to 1,000 megohms. specifcations: . temperature coeffcient: 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. volt. watt- age model no. a b c dimensions in inches and (millimeters) resistance min. max. mx431 .940 .040 (23.88 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx440 1.450 .040 (36.83 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) MX450 2.080 .040 (52.83 1.02) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx480 3.080 .050 (78.23 1.27) .270 .020 (6.86 .51) .040 .002 (1.02 .05) mx485 3.940 .050 (100.08 1.27) .270 .020 (6.86 .51) .040 .002 (1.02 .05) 2.0 3.5 5.0 7.5 10.0 7,500 11,000 16,000 24,000 32,000 80 80 80 80 80 1 meg 1.5 meg 2 meg 3 meg 4 meg 150 meg 300 meg 500 meg 750 meg 1,000 meg tc ppm/ c the type mx precision high voltage resistors were specifcally 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 condition s . 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 derating curve: dimensions in inches and (millimeters) mx 431 mx 450 mx480 mx 485 mx 440 mx485 -100m - 1% model number: resistor value: tolerance ordering information: standard resistance values: 1.00 meg 2.00 meg 2.50 meg 5.00 meg 10.0 meg 20.0 meg 25.0 meg 50.0 meg 100 meg 200 meg 250 meg 500 meg non-standard (custom) resistance values are available. please contact caddock applications engineering. type mx precision high voltage resistors combine caddocks 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, finishing the resistor and providing rugged terminal attachment. 1% tolerance standard 1000 meg electronics, inc.
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