Jelliff Corp. - Item # W0COJ0031, JELLIFF Alloy C/O/J Electrical Resistance Alloy
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All Categories > JELLIFF Alloy K and K-20 Electrical Resistance Alloy > JELLIFF Alloy C/O/J Electrical Resistance Alloy > Item # W0COJ0031  
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Item # W0COJ0031 JELLIFF Alloy C/O/J Electrical Resistance Alloy


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Resistance Wire

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JELLIFF Alloy C/O/J, with a resistivity 30% higher than any other alloy available, literally creates a new range of miniaturization for precision fixed and variable resistors. For a given volume, wire wound resistors can be one-fourth smaller, or one-third more resistance can be wound into a given volume than with 800 ohm alloys. Jelliff Alloy C/O/J exhibits a flat T/C curve of ±5 ppm over the temperature range of -55°C to 25°C and 25°C to 150°C. On a limited basis T/C's are available down to ±1 ppm over a shorter temperature range. Its low T/C coupled with its high stability allows resistor manufacturers to offer resistors exhibiting minimal resistance drift over long periods of time when subjected to load and temperature variations. C/O/J is available bare and insulated in diameters of 0.0031 to 0.0005. Economies and ordering convenience are afforded by its pricing structure of $/megohm.

Bare wire will be provided unless other tolerances are required.

This is sold by the pound, although some other companies sell it by length. "Call for custom products."


 Specifications  

Wire Type

Alloy C.O.J.

Size

40 gauge
0.0031 in

Ohms per Foot

108.2

Nominal Composition

Ni, Cr, Mn, Mo

Resistivity at 25ºC

173 µcm
1040 O/cmf

Temperature Coefficient -55ºC to +150ºC

 Question? 		± 0.000005

Coefficient of Linear Expansion

0.000015 ºC

Approx. Melting Point

1200 ºC

Max. Working Temperature

260 ºC

Min. Tensile Strength

160000 psi

Max. Tensile Strength

220000 psi

Specific Gravity

7.95

Net Weight

0.05 to 0.5 lbs

Nominal Capacity

1 lbs

Flange Diameter

2 1/2 in

Barrel Diameter

1 1/2 in

Construction

All-Metal
Plastic

Aditional Options

Bare Wire (B)
Enamel Coat (E)
Premium (P)

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