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Isabellenhütte may be better known to our customers as specialist manufacturer of low ohmic resistors and shunts, but this manufacturer has primarily been involved in manufacturing of copper and nickel based precision alloys for centuries. Well known within the electronic and electrical industry worldwide for their purity and quality, we are proud to be able to offer these alloys to the customers in the UK and Scandinavia, together with technical and commercial support.
As all alloys are molten from raw metals under strictly and continuously controlled conditions, Isabellenhütte are able to produce alloys in various forms and of tolerances and other properties specific to customers' requirements, often exceeding the datasheet values.
Our range includes:
For Rhopoint Components as a design-lead distributor, it has been especially exciting to work with a manufacturer who strives to be the market leader and continually works on developing new innovative alloys and improving the properties of the existing ones. Below are the current development activities for which Isabellenhütte are looking for pilot customers and applications. If any of these innovative technologies are of potential interest, please do not hesitate to contact us.
Isaohm® is a Nickel-Chromium alloy (NiCr20AlSi) offering high resistivity, low temperature coefficient, low thermal EMF compared to Copper and high tensile strength. It is also resistant to oxidation and chemical corrosion, allowing the working temperature of up to +250°C for precision resistors/current measurement applications (when used for heat generation it can be used for much higher temperatures). Isaohm® is available in form of round wires from 0.01 to 0.6 mm2 which can be bare, oxidised or enamelled to the highest standard, stranded wires and flat wires.
As with all Isabellenhütte alloys, all manufacturing from the raw material is done at their German plant with state-of-the-art equipment and under continuous testing to achieve fully tracked manufacturing process. This allows Isabellenhütte to make slight adjustments in order to melt an alloy tailored to a customer's requirement, such as adjusting the resistivity by special heat treatment. Please see the datasheet in the Technical library, however, do not hesitate to contact us if what you require is not exactly matched.
Typical applications for Isaohm® include:
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Isotan® is a versatile Copper-Nickel alloy (CuNi44Mn1), low temperature coefficient and high resistance to oxidation and chemical corrosion. While it can be used for electrical resistors and potentiometers, it is not suitable for precision components due to its high EMF compared to Copper. Isotan® can be supplied in wide range of grades, qualities and versions depending on the application and customer's requirements (such as custom standardised temperature range). The most commonly it is used as a negative leg of thermocouple types J, L, T, U or E, extension and compensation leads. Isotan® is available in form of round wires from 0.03 to 10mm2 which can be bare or enamelled (between 0.05-1.5mm2), flat wire, ribbons or rods.
Please see the datasheet in the Technical library for outline guide of properties. When submitting an enquiry for Isotan®, please provide information about the application and/or any specific requirement for the alloy properties - this allows us to judge the best grade/version of Isotan® and offer the best possible price.
Typical applications for Isotan® include:
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Manganin® is a Copper-Manganese-Nickel alloy (CuMn12Ni) invented by Isabellenhütte in 1889 and perfected over the years to excellent quality and long term stability of electrical resistance. It features a very low-temperature coefficient between +20°C and +50°C with a parabolic shape of the R(T) curve, extremely low EMF (vs. Copper), average specific resistance and good working properties. Manganin® is used by Isabellenhütte for their own components, particularly the ISA-WELD and ISA-PLAN resistors. It offers maximum working temperature in the air of +140°C, with higher thermal loads in a non-oxidising atmosphere available. Manganin® is available in form of round wires from 0.02 to 8.00 mm2 which can be bare or enamelled to the highest standard, stranded wires, flat wires, ribbons or rods.
As with all Isabellenhütte alloys, all manufacturing from the raw material is done at their German plant with state-of-the-art equipment and under continuous testing to achieve fully tracked manufacturing process. This allows Isabellenhütte to make slight adjustments in order to melt an alloy tailored to a customer's requirement. Please see the datasheet in the Technical library, however, do not hesitate to contact us if what you require is not exactly matched.
Typical applications for Manganin® include:
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