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- April 30th 2017 -
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Very High Current Power Inductor 450 Amperes Rating
Shoebox Series

The CWS' HCS Series of Very High Current Choke / Very High Power Inductor handles up to 450 Amperes and are designed using multiple copper foils winding to achieve lower DC resistance (DCR), lower AC resistance (skin effect loss), and high inductance. The core materials used are stacked E-shaped Distributed Air Gaps Compacted E-Cores from Micrometal. Both Gapped and UnGapped cores are used to extend the DC bias capability.

The HCS Series of Very High Power Inductor / Very High Current Inductor are capable of handling high DC bias current up to 450 Amps, high energy storage and high voltage swing due to higher mass and higher saturation flux densities of the cores used.

The table below shows the types of cores used in each of the part number. The HCS Series are constructed using Iron Powder, Silicon Iron or Sendust cores and are suitable for swinging chokes, energy storage filter inductor in SMPS with high ripple current, in-line noise filters with large AC voltage swing, unidirectional drive application such as pulse transformer and flyback transformer.

The HCS Series stacked E-Cores are from Micrometals's #26 materials (Iron Powder), Micrometal's Super-MSS (Sendust) and Micrometal's FluxSan (Silicon Iron). The Silicon Iron version is suitable for those application requiring small inductance drop when a high DC current (DC bias) is flowing into the inductor. The Sendust version is suitable for energy storage inductors. The Iron Powder version is suitable for Output Ripple filtering, High Power Output Chokes and High Current Inductor where a good DC bias characteristics is desired. The core loss of the Sendust and Silicon Iron are very similar at frequency below 300 Khz. Silicon Iron version cost a little more than the others. The Silicon Iron cores are not suitable for application over 750 Khz, and has a much higher core loss than the Sendust cores.

The part PDF drawing has the DC Bias Current versus Inductance table. It is not necessary that inductor with higher Inductance versus DC Bias Current is better in all cases. This is because Energy Storage in a filter is defined as 1/2 x [L] x [Sq I], where [L] is the inductance and [Sq I] is the square of the current flowing into the inductor. For energy storage filtering application, having a good DC bias is not always a desired feature. When the current flow into the inductor increases, the amount of energy stored increased to the square of the current [Sq I], and if the inductance [L] does not drop when the current increase, the energy stored maybe too high and could potentially cause a circuit to blow up. For such energy storage filtering application such as Input Filter ( Phi or butterworth or chebyshev filters), or the Boost Inductor, the HCS Series using Sendust is usually the desired choice. However, every application is different and the design engineer must balance the trade offs.



APPLICATION:
Industrial Very High Current Filter Inductor, Switching Regulator Inductor, In-Line Noise Filters, Differential Mode Choke, Boost Power Factor Correction Choke and Welding Machine Output Inductor.
Inductance range 800 uH and up to 450 Amps Current Rating

Custom design available. Please email or call us.

  Part Number Inductance Current
Rating (Amps)
Inductance
at 120 Amps
DC Bias
DCR Max (milli-Ohms) Dimension:
Length x Width x Height
mm
Core Material Inductance
at 300 Amps
DC Bias
Price  
  HCS-102M-300A 1,048.00 uH 300 285 uH 4.5 393.7x118.1x96.5 Sendust 78 uH $1,500.00
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  HCS-801M-350A 800.00 uH 350 288 uH 4.5 393.7x118.1x96.5 Powder Core 123 uH $1,500.00
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  HCS-631M-450A 630.00 uH 450 423 uH 4.5 393.7x118.1x96.5 MegaFlux 190 uH $1,500.00
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  HCS-211M-300A 210.00 uH 300 103 uH 1.2 393.7x118.1x96.5 Iron Powder 45 uH $1,500.00
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  HCS-161M-450A 160.00 uH 450 136 uH 1.2 393.7x118.1x96.5 MegaFlux 92 uH $1,500.00
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Disclaimer: Coil Winding Specialist, Inc., its affiliates, agents, and employees acting on behalf of Coil Winding Specialist, Inc. (collectively, CWS) disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. CWS reserves the right at any time and from time to time to make changes to design, technical specification, or construction of any product listed on this website without notice. CWS also reserves the right to discontinue or limit sale of any product or service available throughout this website on temporary or permanently basis without notice. CWS highly recommends customers not to use its products offered on this website for inappropriate use and applications. Products should be tested for its suitability by prospective customers in all possible applications and conditions. Customers using or selling CWS products for use in other than recommended applications do so entirely at their own risk and agree to fully indemnify CWS from any damages arising or resulting from such use or sale.


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CWS 353 West Grove Ave. Orange, California 92865
Call us Toll Free: 1-800-679-3184 or 1 (800) 377-3244

Tel: (714) 279-9010, Fax: (714) 279-9482

Copyright 2008, Coil Winding Specialist, Inc
Updated July, 2013

CAGE Code: 5DME2(Registered with www.ccr.gov)