Vacuumschmelze
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Vacuumschmelze New Products
Added 03/2013
Vacuumschmelze (VAC) VITROPERM®Cores
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Added 03/2013
Vacuumschmelze (VAC) Current Sensors
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Added 03/2013
Vacuumschmelze (VAC) VITROPERM®Common Mode Chokes
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Vacuumschmelze Featured Products
Vacuumschmelze Current Sensors
Vacuumschmelze (VAC) Current Sensors utilize amorphous field detector technology which makes the sensor more accurate and also improves linear performance with changes in temperature. The main function of the Current Sensors from VAC is measuring currents from DC up to high frequencies (approximately 200kHz). These sensors contain a galvanic separation between the primary circuit and the output signal (e.g. according to EN 50178 or EN 61800) and typical currents range from a few amperes up to several hundred amperes full range. Some sensor types can measure more than 1000 ampere peak current. The accuracy of the VAC current sensors lies in the range of <1% of the nominal current. The VAC-invented measuring principle of the closed-loop sensor with magnetic probe as a zero field detector is distinguished by maximum precision of the current detection. The detected currents range from 6 Arms to 700 Arms.
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Vacuumschmelze VITROPERM®Cores
Vacuumschmelze (VAC) VITROPERM® Cores are manufactured with a tape wound nanocrystalline material that features higher permeability when compared with ferrite cores. VITROPERM permeability ranges from 25,000 to over 100,000 compared to 5,000 to 15,000 for ferrites. The high permeability of the nanocrystalline core material achieves superior characteristics at low and middle frequencies, as well as in the high frequency range when an optimized winding arrangement is selected. The VITROPERM Cores from VAC are enclosed in a plastic casing that is suitable for direct winding and offers good mechanical protection of the nanocrystalline core material, allowing the best magnetic properties and highest permeability levels to be maintained. VITROPERM cores are available with different AL-levels for many core sizes. Common mode chokes with toroidal tape wound cores of VITROPERM allow
the effective attenuation of asymmetrical and conducted high frequency
noise.
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Vacuumschmelze VITROPERM®Common Mode Chokes
Vacuumschmelze (VAC) VITROPERM® Common Mode Chokes
are manufactured with a tape wound nanocrystalline material that offers
a permeability range of 25,000 to over 100,000 when compared to ferrite
permeability that ranges from 5,000 to 15,000. The VITROPERM Common Mode Chokes from VAC offer several advantages,
including small size,
reduction of filter designs from two or three chokes to a single choke,
high efficiency (low power loss due to less copper windings required),
high operating temperature compared to ferrite, no operating noise, low
weight and volume, better shock and vibration when compared to ferrite,
and linear performance
over temperature range. These chokes are suitable for high currents
and/or high voltages.
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Vacuumschmelze Resources & Support
Resources
Mouser's Vacuumschmelze Catalog Pages
Vacuumschmelze Website
RoHS Information
Quality Statement
Press Room
Nanocrystalline Soft Magnetic Materials
Design Skills for Common Mode Chokes
Applications
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