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Axiohm

Centohm Coated

Axial Terminal Wirewound

Coating Flameproof proprietary Centohm

Core Ceramic

Element Copper-nickel alloy or nickel-chrome alloy depending on

resistance value

End Cap Stainless steel

Terminals Tinned Copper weld. RoHS solder composition is 96% Sn,

3.5% Ag, 0.5% Cu

Derating Linearly from 100% @ +25°C to 0% @ +350°C.

Tolerance ±5% (Std) down to 0.1% available.

Power rating Based on 25°C free air rating (other wattages available).

Overload Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts

and over: 10 times rated wattage for 5 seconds.

Temperature coefficient ±30ppm /°C above 10Ω

±100ppm/°C 1 to 10Ω

±200ppm/°C below 1Ω

Watt

Resistance

Standard

Dielectric

Maximum

Rating

Range (

Ω)

Resistance

Withstanding

Voltage

Form

Min. Max.

Tolerance

Voltage

Rating

1C

0.1

4K

±5%

500

100

2C

0.1 10K

±5%

500

300

3C

0.1 20K

±5%

500

450

4C

0.1 30K

±5%

500

600

5C

0.1 40K

±5%

500

800

7C

0.1 50K

±5%

500

875

10C

0.1 90K

±5%

500

1600

Ohmite’s Axiohm resis-

tors are Centohm coated

for maximum reliability.

These all-welded units

are characterized by their

low temperature coef-

ficients and resistance to

thermal shock, making

them ideal for a wide

range of electrical and

electronic applications.

F e A t u r e s

•Weldedconstruction

•Inorganicandnon-hygroscopic,

Centohm coating seals and protects

the resistance wire.

•ExceedsMIL-R-26moisturerequire-

ments

•CentohmResistorsaredesignedto

meet and exceed performance charac-

teristics of vitreous enamel resistors.

•Centohmismorecosteffectivethan

vitreous enamel.

•±5%resistancetolerance

Opti O ns

Noninductive: This specially

designed version is wound using

the Ayrton-Perry method.

Resistance Tolerances: Options

include5%,1%,0.5%,0.25%,and

0.1%resistors.

Terminal Sizes: Alternate terminal

diameters available.

Tape and Reel: Resistorstapedfor

automatic insertion. Contact Ohmite

forsize,quantityandorderinginfor-

mation

s eries speci F ic Ati O ns

c h A r A cteristics

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