Material Name |
Description |
Benefits |
Applications |
Amorphous Alloys
|
Metallic glass materials without a crystalline structure and with better electrical conductivity than conventional materials |
- High tensile strength.
- Excellent resistance to fracture and corrosion.
- Large amount of elastic deformation
|
- For high frequency, low loss applications
- Inductors
- Energy storage inductors
- Saturable cores
|
Cobalt Iron
|
Fe/Co is a soft magnetic material with an extremely high magnetization saturation. |
- Best for applications requiring reduced size and weight
|
- Aircraft generators,
- Electric motors,
- Magnetic bearings.
|
MicrosilTM
|
3% Si/Fe grain-oriented silicon iron alloy. It’s squareness ratio and gain is lower than for Square 50, while core losses are higher. |
- Least expensive of the Square Loop materials.
- Very high maximum flux.
- Ideal for high power, relatively low frequency applications.
|
- For high performance applications
- Power Transformers,
- Saturable Reactors,
- Inverter Transformers,
- Magnetic Amplifiers (Power),
- Current Transformers,
- Output Transformers.
|
Nanocrystalline Alloys
|
Materials comprised of single- and multi-phase polycrystalline structures that have higher magnetic properties than conventional materials. |
- High strength and hardness.
- Reduced elastic modules.
- Large heat capacity and thermal expansion coefficient.
|
- For high frequency applications,
- Current transformers,
- GFCI transformers,
- Inductors,
- Industrial controls,
- For wide range temperature applications.
|
Square 50
|
50% Ni/Fe/ grain-oriented alloy. It has Bm as well as cores losses so low it can be used in higher frequency applications than the silicon steels. |
- Highest squareness ratio possible (lowest saturated reactance).
- Very high gain.
- Ideal wherever an extremely square loop/close tolerance material is required.
|
- Bi-stable switching devices,
- Inverter transformers,
- High performance power magnetic amplifiers
- Linear current transformers,
- Timing devices,
- Driver transformers.
|
Square 80
|
80% Ni/Fe/Mo. It is a low coercive force material with similar characteristics to SupermalloyTM |
- Good squareness and high gain.
- Low core losses.
|
- Low power, high efficiency inverter transformers,
- Low level, high frequency magnetic amplifiers & modulators,
- Pulse transformers.
|
Super Square 80
|
80% Ni/Fe/Mo. It has higher maximum flux density, gain, and squareness ratio than Square 80. |
- Provides remarkable core uniformity.
- Very slight increase in coercive force.
|
- Wherever a high degree of thermal stability is required for certain magnetic characteristics like Bm/Br, H, δH.
|
SupermalloyTM
|
80% Ni/Fe/Mo. This alloy is processed for exceptionally high initial permeability. |
- Designed for very low level or high value applications.
|
- Very low-level Signal Transformers,
- Low level Magnetic Preamplifiers,
- High value Inductors without superimposed direct currents,
- Precision Current Transformers.
|
SupermendurTM
|
49% Co/49% Fe/V. It is the highest flux density material available in tape wound cores. |
- Ideal wherever size and weight are a major design consideration.
|
- Power Transformers,
- Power Magnetic Amplifiers,
- Inverters.
|
SuperPermTM 49
|
50% Ni/Fe/ Alloy. This material has characteristics that fall between Silicon Steel and 80% Ni/Fe/Mo. |
- Provides high initial permeability.
- Has high maximum flux.
|
- Current Transformers,
- Proportioning Reactors,
- High quality/wide frequency Response Transformers,
- Medium power Magnetic Amplifiers.
|
SuperPermTM 80
|
80% Ni/Fe/Mo. Similar to SupermalloyTM but processed for pulse and high frequency performance. |
- Designed for very low-level signal applications.
- Ideal for high frequency applications.
|
- Very low-level signal transformers,
- Low level and high frequency magnetic preamplifiers,
- High value/high frequency inductors.
|