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Coil Winding Specialist


TOROIDAL COMMON MODE INDUCTORS and CHOKES

"We will wind anything for you"

If you can conceptualize it, draw it, sketch it or describe it, we can wind it for you. Of course, if you have an engineering print of it, we can serve you even better.



Selection Guide to Toroidal Common Mode Inductors and Chokes

Common Mode Output Chokes - for input common mode filtering application in power supply application


  • CM SERIES : 1 AMPS TO 24 AMPS SMALL SIZE TOROIDAL COMMON MODE INDUCTOR
    -
    Available as through hole vertical or horizontal mounting
    - Single layer wound on high permeability ferrite for widest frequency range
    - Spacer provides 3mm creepage spacing to meet UL, CSA and IEC safety specifications
    - All materials used are UL 94VO recognized.
    - Dimension : Outside Diameter: 25mm. Width or Height: 11mm
    - Inductance range from: 0.65 mH to 17 mH
    - DCR : 9 milli ohms to 440 milli ohms
    - Suitable for power line filtering and EMI/RFI suppression in SMPS

 

 


  • HLF SERIES : 3 AMPS TO 30 AMPS TOROIDAL COMMON MODE CHOKE
    -
    Available as through hole vertical or horizontal mounting
    - Single layer wound on high permeability ferrite cores with nylon casing to protect windings
    - Spacer on casing provides 3mm creepage spacing to meet UL, CSA and IEC safety specifications
    - All materials used are UL 94VO recognized.
    - Dimension : Outside Diameter: 36mm. Width or Height: 23mm
    - Inductance range from: 0.2 mH to 5 mH
    - DCR : 5 milli ohms to 50 milli ohms

    - Custom designs available

  • S SERIES : 1 Amps to 3 Amps Current Rating
    Direct Cross to TOKIN SC Series COMMON MODE INDUCTOR

    -
    Available as through hole vertical
    - Rated Voltage : 250 V AC/DC
    - Single layer wound on high permeability ferrite cores with nylon casing to protect windings
    - Spacer on casing provides 3mm creepage spacing to meet UL, CSA and IEC safety specifications
    - All materials used are UL 94VO recognized.
    - Dimension : Outside Diameter: 17 mm. Width or Height: 13mm
    - Inductance range from: 0.6 mH to 5 mH
    - DCR : 35 milli ohms to 150 milli ohms

    - Custom designs available

  • LF SERIES : 1 AMPS TO 2 AMPS TOROIDAL COMMON MODE CHOKE
    - Available as through hole vertical or horizontal mounting
    - High permeability ferrite cores with nylon casing to protect windings
    - Spacer on casing provides 3mm creepage spacing to meet UL, CSA and IEC safety specifications
    - All materials used are UL 94VO recognized.
    - Dimension : Outside Diameter: 23mm. Width or Height: 15mm
    - Inductance range from: 1mH to 10 mH
    - DCR : 80 milli ohms to 260 milli ohms
    - Custom designs available

  • PM SERIES : 1.5 AMPS TO 13 AMPS TOROIDAL COMMON MODE CHOKE WITH MOUNTING HEADER OR BASE
    - Available as through hole vertical mounting only
    - Single layer wound on high permeability ferrite cores for widest frequency range
    - Spacer provides 3mm creepage spacing to meet UL, CSA and IEC safety specifications
    - All materials used are UL 94VO recognized.
    - Dimension : Outside Diameter: 32 mm. Width : 23 mm
    - Inductance range from: 0.2 mH to 11 mH
    - DCR : 8 milli ohms to 290 milli ohms
    - Suitable for SMPS in 100 to 400 Khz range

  • COMMON MODE LINE FILTERS FOR 50/60 Hz POWER LINES
    - Power Line Filters for Video Signals SBT and SPT Series
    - High Current and Inductance Power Line Filters:
    -----> 35 Series for inductance to 33 mH, 6 Amps AC
    -----> 28 Series for inductance to 120 mH, 4 Amps AC
    -----> 24 Series for inductance to 36 mH, 3.5 Amps AC
    -----> 20 Series for inductance to 9 mH, 2.2 Amps AC

  • CHOKES AND INDUCTORS FOR DC/DC CONVERTERS UP TO 80A
    - These inductors and output chokes are for filtering noise in dc/dc converters
    -The differential mode inductors may be used to reduce the differential output noise by approximately 20 dB.
    -The common mode inductors provide a high level of attentuation of common mode currents.
    - Up to 80 Amperes of current rating by using flat rectangular wires


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Need Power Magnetics? Then look no more! CWS delivers the finest in surface mount inductors, standard inductors, Power Transformers, Common Mode Chokes, Ceramic Chip Inductors and Wire Wound Chip Inductors. CWS can supply all of your filtering needs as well, including EMI Filters, RFI Filters, LC Filter Inductors, and Common Mode Filters. From Transmission Line Transformers to power transformers, CWS is the source to call!
We have direct crosses to all major manufacturers including Toko, CoilCraft, Coiltronics, Tokin, J.W. Miller, Arnold, Siemens, TDK, Gowanda, Taiyo Yuden and more! Call for details!

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