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"We will wind anything"


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

HF SERIES - OPEN CONSTRUCTION TOROIDAL POWER INDUCTORS / CHOKES

HF Series High Flux Toroidal Power Inductors.
Through Hole Mounting Construction



FEATURES:
  • Designed using high saturation and high temperature stability "High Flux Cores" with distributed air-gap
  • Excellent electromagnetic shielding due to toroidal design
  • Designed for commercial, industrial and military application
  • Low cost designs with pre-tinned leads for PCB through hole mounting
  • Inductance values from 10 uH to 100 uH
  • Current rating from 1.7 Amps to 50 Amps
  • Temperature Rating: -55 deg C to +125 Deg C
  • Potted version available for military application
  • Custom designs are available to meet your specific requirements

SPECIFICATIONS

Click the button to see examples of our custom wound products. We wind anything to meet your needs.
Generic Outline drawing and Schematic
Click individual part numbers in the shopping cart below to download detailed Engineering Drawing in .PDF
Dimensions of "A x B x C" and "D x E x F" are referenced in the shopping cart below

IMPORTANT
1) No tooling or set up fees required for standard parts
2) Minimum order : 1 Piece. FREE Samples available for large OEMs
3) Typical Delivery: 6 to 8 weeks


CONSTRUCTION INFORMATION

Outline Drawing and Schematic

Part Numbering

HF127-100M-8AH

HF127 : Hi Flux Size
100M : 10 uH
8A : 8 Amps rating
H : Horizontal Mount
V : Vertical Mount

Notes:
1
) The prices shown below are for low volume quantity. Please call 800-377-3244 or
email sales@coilws.com for larger volume OEM pricing.
2
) Our large OEM pricing is extremely competitive. We will meet or beat any competitors prices with better deliveries
3
) Custom designs are available to meet any of your requirements. Please contact us
4
) The data shown below can be sorted by clicking each column header.Click once again to sort in reverse order.
5) "Inductance at 1 Khz" ( 2nd column from left in table below ) is the inductance measured at zero or very low DC bias current.
6) "Current Rating" ( 3rd column from left in table below ) is based on a 40 deg C temperature rise at an ambient temperature of 90 deg C. This is the DC bias current through the inductor that will cause the inductor will reach a max. temp. rise of 40 deg C. above ambient with NO AIR FLOW.
7) "Incremental Current for 20% inductance drop" ( 4th column from left in table below ) is the DC bias current that will cause the inductance to drop by 20% from the value shown in Inductance at 1 Khz. At this current, the temperature rise may be above the 40 deg C stated above, so forced air flow may be required.
8) The saturation current is at least 5 times the max current listed in 5) or 6) above, so instantaneous high current spikes can be tolerated by these inductors.



(Searching Part Numbers, Inductance, Current fields)
Part Number Inductance Current
Rating
Incremental
Current
for 20 percent
L chan
DCR
Max
SRF
Min
Dimension
A B C
inches
Leads
D E F
inches
Dimension Price  
HF270-102M-2.4AH 1,000.00 uH 2.4 amps 3.5 amps 0.235 ohms 0.4 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
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HF270-102M-2.4AV 1,000.00 uH 2.4 amps 3.5 amps 0.235 ohms 0.4 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF229-751M-2.1AH 750.00 uH 2.1 amps 2.5 amps 0.24 ohms 0.6 mhz 1.1 / 0.475 / 0.45 0.5 / 0.025 / 1.05   $8.00
Buy Now
 
HF229-751M-2.1AV 750.00 uH 2.1 amps 2.5 amps 0.24 ohms 0.6 mhz 1.1 / 0.475 / 0.45 0.5 / 0.025 / 1.05   $8.00
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HF270-751M-3.0AH 750.00 uH 3 amps 4 amps 0.16 ohms 0.6 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
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HF270-751M-3.0AV 750.00 uH 3 amps 4 amps 0.16 ohms 0.6 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
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HF400-651M-8.0AH 650.00 uH 8.0 amps 5.0 amps 0.050 ohms         $13.50
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HF400-651M-8.0AV 650.00 uH 8.0 amps 5.0 amps 0.050 ohms         $13.50
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HF229-501M-2.6AH 500.00 uH 2.6 amps 3.8 amps 0.16 ohms 0.8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-501M-2.6AV 500.00 uH 2.6 amps 3.8 amps 0.16 ohms 0.8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
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HF270-501M-3.4AH 500.00 uH 3.4 amps 4.6 amps 0.131 ohms 0.8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.032 / 1.25   $9.25
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HF270-501M-3.4AV 500.00 uH 3.4 amps 4.6 amps 0.131 ohms 0.8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.032 / 1.25   $9.25
Buy Now
 
HF127-331M-1.7AH 330.00 uH 1.7 amps 1.2 amps 0.19 ohms 1 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
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HF127-331M-1.7AV 330.00 uH 1.7 amps 1.2 amps 0.19 ohms 1 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
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HF400-601M-8.0AH 320.00 uH 8.0 amps 5.0 amps 0.045 ohms         $11.50
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HF400-601M-8.0AV 320.00 uH 8.0 amps 5.0 amps 0.045 ohms         $11.50
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HF127-251M-1.9AH 250.00 uH 1.4 amps 1.9 amps 0.16 ohms 1.5 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF127-251M-1.9AV 250.00 uH 1.4 amps 1.9 amps 0.16 ohms 1.5 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF166-251M-2.1AH 250.00 uH 2.1 amps 3.2 amps 0.16 ohms 1 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF166-251M-2.1AV 250.00 uH 2.1 amps 3.2 amps 0.16 ohms 1 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF229-251M-3.5AH 250.00 uH 3.5 amps 5.6 amps 0.088 ohms 1 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-251M-3.5AV 250.00 uH 3.5 amps 5.6 amps 0.088 ohms 1 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-251M-5.0AH 250.00 uH 5 amps 6.8 amps 0.06 ohms 1 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-251M-5.0AV 250.00 uH 5 amps 6.8 amps 0.06 ohms 1 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
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HF270-201M-10AH 200.00 uH 10 amps 5.5 amps 0.025 ohms 4 mhz 1.30 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $8.00
Buy Now
 
HF270-201M-10AV 200.00 uH 10 amps 5.5 amps 0.025 ohms 4 mhz 1.30 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF127-151M-2.4AH 150.00 uH 2.4 amps 1.8 amps 0.1 ohms 2 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF127-151M-2.4AV 150.00 uH 2.4 amps 1.8 amps 0.1 ohms 2 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF166-151M-2.7AH 150.00 uH 2.7 amps 4.8 amps 0.095 ohms 1.5 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF166-151M-2.7AV 150.00 uH 2.7 amps 4.8 amps 0.095 ohms 1.5 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF229-151M-4.5AH 150.00 uH 4.5 amps 6 amps 0.052 ohms 1 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-151M-4.5AV 150.00 uH 4.5 amps 6 amps 0.052 ohms 1 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-151M-6.5AH 150.00 uH 6.5 amps 9 amps 0.035 ohms 1 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-151M-6.5AV 150.00 uH 6.5 amps 9 amps 0.035 ohms 1 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF127-101M-3.2AH 100.00 uH 3.2 amps 2.2 amps 0.055 ohms 4 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF127-101M-3.2AV 100.00 uH 3.2 amps 2.2 amps 0.055 ohms 4 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF166-101M-3.3AH 100.00 uH 3.3 amps 4.7 amps 0.065 ohms 2 mhz 0.82 / 0.4 / 0.32 0.5 / 0.028 / 0.78   $7.20
Buy Now
 
HF166-101M-3.3AV 100.00 uH 3.3 amps 4.7 amps 0.065 ohms 2 mhz 0.82 / 0.4 / 0.32 0.5 / 0.028 / 0.78   $7.20
Buy Now
 
HF229-101M-4.9AH 100.00 uH 4.9 amps 8.2 amps 0.044 ohms 2 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-101M-4.9AV 100.00 uH 4.9 amps 8.2 amps 0.044 ohms 2 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-101M-8.0AH 100.00 uH 8 amps 10.0 amps 0.023 ohms 2 mhz 1.3 / 0.65 / 0.6 0.75/ 0.045 / 1.25   $9.25
Buy Now
 
HF270-101M-8.0AV 100.00 uH 8 amps 10.0 amps 0.023 ohms 2 mhz 1.3 / 0.65 / 0.6 0.75/ 0.045 / 1.25   $9.25
Buy Now
 
HF358-101M-15AH 100.00 uH 15 amps 10.0 amps 0.010 ohms 5 mhz   / 0.072 /   $11.50
Buy Now
 
HF358-101M-15AV 100.00 uH 15 amps 10.0 amps 0.010 ohms 5 mhz   / 0.072 /   $11.50
Buy Now
 
HF127-750M-3.5AH 75.00 uH 3.5 amps 2.5 amps 0.045 ohms 5 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF127-750M-3.5AV 75.00 uH 3.5 amps 2.5 amps 0.045 ohms 5 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF166-750M-4.0AH 75.00 uH 4 amps 5.8 amps 0.045 ohms 3 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF166-750M-4.0AV 75.00 uH 4 amps 5.8 amps 0.045 ohms 3 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $8.00
Buy Now
 
HF229-750M-5.9AH 75.00 uH 5.9 amps 9.1 amps 0.03 ohms 3 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-750M-5.9AV 75.00 uH 5.9 amps 9.1 amps 0.03 ohms 3 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-750M-8.0AH 75.00 uH 8 amps 12 amps 0.023 ohms 3 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-750M-8.0AV 75.00 uH 8 amps 12 amps 0.023 ohms 3 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $8.00
Buy Now
 
HF270-700M-20AH 70.00 uH 20 amps 10 amps 0.008 ohms 4 mhz 1.30 / 0.65 / 0.6 0.75/ 0.072 / 1.25   $9.25
Buy Now
 
HF270-700M-20AV 70.00 uH 20 amps 10 amps 0.008 ohms 4 mhz 1.30 / 0.65 / 0.6 0.75/ 0.072 / 1.25   $9.25
Buy Now
 
HF127-500M-4.0AH 50.00 uH 4.0 amps 3.1 amps 0.035 ohms 7 mhz 0.625 / 0.3 / 0.25 0.5 / 0.028 / 0.6   $7.00
Buy Now
 
HF127-500M-4.0AV 50.00 uH 4.0 amps 3.1 amps 0.035 ohms 7 mhz 0.625 / 0.3 / 0.25 0.5 / 0.028 / 0.6   $7.00
Buy Now
 
HF166-500M-4.8AH 50.00 uH 4.8 amps 6 amps 0.03 ohms 4 mhz 0.82 / 0.4 / 0.32 0.5 / 0.036 / 0.78   $7.20
Buy Now
 
HF166-500M-4.8AV 50.00 uH 4.8 amps 6 amps 0.03 ohms 4 mhz 0.82 / 0.4 / 0.32 0.5 / 0.036 / 0.78   $7.20
Buy Now
 
HF229-500M-6.9AH 50.00 uH 6.9 amps 12 amps 0.022 ohms 4 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-500M-6.9AV 50.00 uH 6.9 amps 12 amps 0.022 ohms 4 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-500M-8.3AH 50.00 uH 8.3 amps 12 amps 0.022 ohms 4 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-500M-8.3AV 50.00 uH 8.3 amps 12 amps 0.022 ohms 4 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-500M-9.9AH 50.00 uH 9.9 amps 15.2 amps 0.016 ohms 4 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-500M-9.9AV 50.00 uH 9.9 amps 15.2 amps 0.016 ohms 4 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-290M-12.8AH 29.00 uH 12.8 amps 18.2 amps 0.013 ohms 8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF270-290M-12.8AV 29.00 uH 12.8 amps 18.2 amps 0.013 ohms 8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.051 / 1.25   $9.25
Buy Now
 
HF127-250M-5.5AH 25.00 uH 5.5 amps 4.7 amps 0.02 ohms 10 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF127-250M-5.5AV 25.00 uH 5.5 amps 4.7 amps 0.02 ohms 10 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $7.00
Buy Now
 
HF166-250M-6.4AH 25.00 uH 6.4 amps 10.5 amps 0.017 ohms 8 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF166-250M-6.4AV 25.00 uH 6.4 amps 10.5 amps 0.017 ohms 8 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF229-250M-9.8AH 25.00 uH 9.8 amps 16 amps 0.011 ohms 8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-250M-9.8AV 25.00 uH 9.8 amps 16 amps 0.011 ohms 8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF270-250M-12.8AH 25.00 uH 12.8 amps 20 amps 0.007 ohms 8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.072 / 1.25   $9.25
Buy Now
 
HF270-250M-12.8AV 25.00 uH 12.8 amps 20 amps 0.007 ohms 8 mhz 1.3 / 0.65 / 0.6 0.75/ 0.072 / 1.25   $9.25
Buy Now
 
HF229-200M-15AH 20.00 uH 15 amps 14.7 amps 0.008 ohms 8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.064 / 1.05   $8.00
Buy Now
 
HF229-200M-15AV 20.00 uH 15 amps 14.7 amps 0.008 ohms 8 mhz 1.1 / 0.475 / 0.37 0.5 / 0.064 / 1.05   $8.00
Buy Now
 
HF127-100M-8AH 10.00 uH 8 amps 8.8 amps 0.01 ohms 35 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 /0.60   $7.00
Buy Now
 
HF127-100M-8AV 10.00 uH 8 amps 8.8 amps 0.01 ohms 35 mhz 0.625 / 0.3 / 0.25 0.5 / 0.036 / 0.6   $8.00
Buy Now
 
HF229-100M-14.5AH 10.00 uH 14.5 amps 21 amps 0.008 ohms 20 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF229-100M-14.5AV 10.00 uH 14.5 amps 21 amps 0.008 ohms 20 mhz 1.1 / 0.475 / 0.37 0.5 / 0.051 / 1.05   $8.00
Buy Now
 
HF166-100M-8.3AH 10.00 uH 8.3 amps 14 amps 0.01 ohms 20 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
Buy Now
 
HF166-100M-8.3AV 10.00 uH 8.3 amps 14 amps 0.01 ohms 20 mhz 0.82 / 0.4 / 0.32 0.5 / 0.04 / 0.78   $7.20
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HF203-050M-22AV 5.00 uH 22 amps 22.4 amps 0.002 ohms 30 mhz 0.94 /0.41 / 0.47 0.50 /0.073 /1.00   $8.00
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HF203-050M-22AH 5.00 uH 22 amps 22.4 amps 0.002 ohms 30 mhz 0.94 /0.41 / 0.47 0.50 /0.073 /1.00   $8.00
Buy Now
 
HF127-050M-15AV 5.00 uH 15 amps 9.93 amps 0.002 ohms 40 mhz 0.60 /0.31 / 0.28 0.50 /0.052 /0.60   $7.00
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HF127-050M-15AH 5.00 uH 15 amps 9.93 amps 0.002 ohms 40 mhz 0.60 /0.31 / 0.28 0.50 /0.052 /0.60   $7.00
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HF270-040M-50AH 4.00 uH 50 amps 52 amps 0.0013 ohms 15 mhz 1.75 / 0.75 / na 0.5 / 0.13 / dwg   $9.25
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HF166-030M-25AV 3.00 uH 25 amps 26.15 amps 0.002 ohms 40 mhz 0.78/0.45 /0.45 0.55 /0.071 /0.80   $7.20
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HF203-030M-30AV 3.00 uH 30 amps 29.10 amps 0.001 ohms 40 mhz 0.98 /0.46 / 0.48 0.50 /0.090 /1.00   $8.00
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HF166-030M-25AH 3.00 uH 25 amps 26.15 amps 0.002 ohms 40 mhz 0.78/0.45 /0.45 0.50 /0.071 /0.80   $7.20
Buy Now
 
HF203-030M-30AH 3.00 uH 30 amps 29.10 amps 0.001 ohms 40 mhz 0.98 /0.46 / 0.48 0.50 /0.090 /1.00   $8.00
Buy Now
 
HF127-015M-18AH 1.50 uH 18 amps 25.5 amps 0.001 ohms 50 mhz 0.56 / 0.32 / 0.35 0.5 / 0.036 /0.60   $7.00
Buy Now
 
HF127-015M-18AV 1.50 uH 18 amps 25.5 amps 0.001 ohms 50 mhz 0.56 / 0.32 / 0.35 0.5 / 0.036 /0.60   $7.00