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6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements

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6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements

Name: 6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements
Brand: TANKII
Price: 1 USD

Quality 6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements wholesale

Supply Ability : 500kg/month

Certification : ISO9001

MOQ : 1kg

Model Number : 6J22 Karma

Price : negotiation

Delivery Time : 10-30days

Payment Terms : T/T

Place of Origin : China

Brand Name : TANKII

Packaging Details : Cardboard packaging+wooden box

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Product Description

Karma Resistance Wire for Resistor and heating elements

Product specific

Material	Grade	Diameter Range	Resistivity	Temperature Coefficient	Surface	Supply Form
Nickel Chromium Iron Alloy	6J22 Karma	0.01-2.0 mm	1.35-1.45 μΩ·m	Low TCR	Bright	Spool / Coil

6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements

Chemical Element: Cr 19~21.5%, Ni: Balance, Al 2.5~3.2%, Fe 2.5~20%

Resistivity: 1.33 ohm mm2/m

Resistivity 800 Ohms Per Circular Mil Foot at 20° C (68° F)
Wt. Per Cubic Inch =. 293 lbs.

Specific Gravity 8.10

Diameter 0.025mm~5mm

Usage: resistor

Distinctive features of Karma resistance wire

1) Starting with Nickel Chromium electric heat wire Class 1, we replaced some of the Ni with
Al and other elements, and thus achieved a precision resistance material with improved
resistance temperature coefficient and heat electromotive force against copper.
With the addition of Al, we have succeeded in making volume resistivity 1.2 times greater
than Nickel Chromium electric heat wire Class 1 and the tensile strength 1.3 times greater.

2) The secondary temperature coefficient β of Karmalloy wire KMW is very small, - 0.03 × 10-6/ K2,
and the resistance temperature curve turns out to be almost a straight line within a wide
temperature range.

Therefore, the temperature coefficient is set to be the average temperature coefficient between
23 ~ 53 °C, but 1 × 10-6/K, the average temperature coefficient between 0 ~ 100 °C, also may
be adopted for the temperature coefficient.

3) Electromotive force against copper between 1 ~ 100 °C is also small, below + 2 μV/K, and
exhibits excellent stability over a period of many years.

4) If this is to be used as a precision resistance material, low temperature heat treatment is
required to eliminate processing distortions just as in the case of Manganin wire CMW.

We also produce other kind of resistance wire such as NiCr 80/20, NiCr 70/30, Nicr 60/15, Cr25Al5, etc.

6J22 Karma Alloy Enameled Resistance Wire with Polyimide Insulation and Low TCR for Resistors and Heating Elements

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