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Selection Guide to Toroidal Power Inductors, Rod Chokes and RF Chokes
Differential Mode Output Chokes - for filtering application where a DC bias current is present

CX SERIES - PARALLEL SERIES INDUCTOR Surface mount magnetics that can be used as single or coupled inductors or 1:1 transformers that provide isolation between two windings SD types are designed around high frequency low loss material. IP types are lower cost versions of SD offering high saturation flux density HF offers higher current ratings and higher saturation flux densities than SD or IP types. Secure 4 terminal mounting Inductor more versatile inductance combination by series or parallel connections. Inductance range from: 0 uH to 100 uH Current range to 1.7 Amps to 15 Amps Also available in MPP, Sendust/KoolMu cores. See below Custom designs available
SHF SERIES - SURFACE MOUNT TOROIDAL POWER INDUCTORS / CHOKES High Flux Cores used. Capable of handling very high DC bias current with minimal inductance roll off. Surface mount can directly be re-flowed onto PCB Normally our customer specify the specs ( size, inductance, current) and we built to meet the specs. Inductance range from: 0.4 uH to 305 uH Current range to 0.2 Amps to 7 Amps Custom designs available
HF SERIES - OPEN CONSTRUCTION TOROIDAL POWER INDUCTORS / CHOKES High Flux Cores used. Capable of handling very high DC bias current with minimal inductance roll off. Through hole mount with pre-tinned leads that can be directly soldered to PCB Normally our customer specify the specs ( size, inductance, current) and we built to meet the specs. Inductance range from: 10 uH to 100 uH Current range to 1.7 Amps to 15 Amps Also available in MPP, Sendust/KoolMu cores. See below Custom designs available
MHF SERIES - OPEN CONSTRUCTION TOROIDAL POWER INDUCTORS / CHOKES High Flux Cores used. Capable of handling very high DC bias current with minimal inductance roll off. Bobbin Through hole mount with pre-tinned leads that can be directly soldered to PCB Normally our customer specify the specs ( size, inductance, current) and we built to meet the specs. Inductance range from: 10 uH to 100 uH Current range to 1.7 Amps to 15 Amps Also available in MPP, Sendust/KoolMu cores. See below Custom designs available
PLANAR INDUCTOR SERIES - SURFACE MOUNT HELICAL WOUND POWER INDUCTORS / CHOKES Sendust Cores used. Capable of handling high DC bias current with minimal inductance roll off. Surface Mount Leads packaged in tape and reel Inductance : 3 uH, 6 uH, and 18 uH DC Current Rating: 12 Amps, 7 Amps and 6 Amps
MPP SERIES - CUSTOM DESIGNED, OPEN CONSTRUCTION TOROIDAL POWER INDUCTORS / CHOKES MPP cores used for low loss and high temperature application Capable of handling very high DC bias current with minimal inductance roll off. Vertical or Horizontal through hole mount with pre-tinned leads that can be directly soldered to PCB Customer specific specifications ( size, inductance, current) and we built to meet these specs. Inductance range from: 10 nH to 200 uH Current range to 10 Amps to 200 Amps Custom designs available
HW SERIES - HELICAL WINDING TECHNOLOGY OUTPUT INDUCTORS FOR INDUSTRIAL APPLICATION Helical Winding in semi quasi planar structure for lower skin effect loss Micrometal's Mix 40, 52 and 8/90 Gapped and UnGapped Iron Powder Cores Capable of handling very high DC bias current Various Mounting configuration with pre-tinned leads for direct connection Inductance range from: 10 nH to 200 uH Current range to 10 Amps to 200 Amps Custom designs available
J20 SERIES - HIGH CURRENT TOROIDAL POWER INDUCTORS Designed using high saturation and Powder Iron Cores with distributed air-gap Excellent electromagnetic shielding due to toroidal design Designed for commercial, industrial and military applications Low core loss and low radiation High operating frequencies High current and low core saturation Horizontal and Vertical mount Operating temperature -55 to +105 deg C Inductance values from 0.3 uH to 50 uH Current rating from 3.2 Amps to 28.5 Amps Custom designs are available to meet your specific needs Designed for applications such as High current/Low voltage converters, High-speed computers, Video game machines, Output chokes, EMI filters Custom designs available
SQM SERIES - 10mm HIGH SQUARE MPP POWER INDUCTORS / CHOKES Core used are specially designed 10mm square shaped MPP core Can be arranged in series and parallel as a flat pack Surface Mount or Through hole mount with pre-tinned leads Inductance range from: 10 nH to 200 uH Current range to 50 Amps
TC SERIES - TOROIDAL IRON POWDER POWER INDUCTORS Over 95 different types of standard off-the-shelf items. Designed with super low cost Iron Powder cores Leads directly mount to PCB, so min. wire used is AWG #22. Normally our customer specify the specs ( size, inductance, current) and we built to meet the specs. Inductance range from: 5 uH to 1.8 mH Current range to 10 Amps Also available in MPP, High Flux, Sendust/KoolMu cores Custom designs available to handle inductance up to 100 mH with current to 100 Amps
CWS-112X SERIES - OPEN TOROIDAL CHOKES FOR SPEED CONTROLS AND DIMMERS 100 watts to 500 watts power handling at 110vac or 240 vac. Designed for triac control circuits used in speed control, lighting dimmer and simialr application Through Hole Leads directly mount to PCB Custom inductance and power levels available Inductance range from: 2.4 mH to 4.0 mH Also available in MPP, High Flux, Sendust/KoolMu cores
OPC SERIES - TOROIDAL WITH HEADER POWER INDUCTORS Core used are MPP, High Flux, Sendust/KoolMu and Iron Powder Mounted on a base/header for direct mount to PCB. Normally our customer specify the specs ( size, inductance, current) and we built to meet the specs. Inductance range from: 7uH to 1.4 mH Current range to 11 Amps Custom designs available to handle inductance up to 100 mH with current to 50 Amps
HSQM SERIES - SQUARE MPP CORES POWER INDUCTORS FOR 75 A to 250 A Core used are specially designed square shaped MPP core Only 10mm ( 0.4") high, single turn rectangular wire. Can be arranged in series and parallel as a flat pack Inductance range from: 10 nH to 25uH Current range to 250 Amps
Axial and Radial Power Inductors Leaded Power Chokes and Inductors these are very low cost series Inductance range from: 1uH to 1000 mH Current range to 100 Amps for custom built
J-56 Series. High Current RF Chokes . Vertcial Radial Leads Inductor Radial Power Chokes and Inductors these are very low cost series Inductance range from: 5 uH to 10,000 uH Current range to 25 Amps
J-55 Series. High Current RF Chokes . Horizontal Radial Leads Inductors Leaded Power Chokes and Inductors these are very low cost series Inductance range from: 5 uH to 250 uH Current range to 25 Amps
Surface mount Power Inductors These are very low cost shielded surface mount inductors. The rated current for these high current inductors is from 0.12 Amps to 35 Amps. The height of these low profile inductors ranges from 1.25 mm (0.05") to 8mm. These inductors are wound on ferrite cores.
How to choose Iron Powder, Sendust, Koolmu, High Flux and MPP Cores as output inductor and chokes What is a powdered cores ? Its differences with gapped ferrites History of powdered cores and its uses as output chokes Differences in performance, composition, saturation flux, permeabilities and cost between iron powder, sendusts, koolmu, high flux and MPP cores

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