Inductors

Miniature Power Inductors & Coils

A small inductor ensures that a consistent flow of energy passes through a given device. The wide variety of miniature power inductors for sale on our site allows you to choose the voltage that’s appropriate to your device’s functionality.  

At Electronic Surplus, we provide you with small inductors and induction coils that are reliable, efficient, and affordable. If the product you require is out of stock, don’t worry! You can request the part using our online form, and we’ll get you what you need as soon as possible.  

Shop our selection below to find the miniature power inductors your project needs. Feel free to contact us at 1 (440) 205-8388 if you have any questions. 

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  1. DALE - IH10-05 - 5uH 10Amp Axial Inductor / Coil
    DALE - IH10-05 - 5uH 10Amp Axial Inductor / Coil
    $1.00
    IN STOCK - MORE THAN 100 READY TO SHIP!

    DALE - IH10-05  5uH 10Amp 10% Inductors/Coils.

    Noise filtering for switching regulators, power amplifiers, power supplies and SCR and TRIAC Control circuits.

    DCR = 0.01-OHM

    SRF = 30Mhz

    1.125" x 0.687" x 0.812" (80 per manuf bx NEW @ $1.00 each piece/$80.00)

    Additional Information: https://www.vishay.com/docs/34013/ih.pdf

    Learn More
  2. RadioShack - 273-104 - Snap-On Ferrite Toroid RF Choke Core, Two (2) Cores in Package.
    RadioShack - 273-104 - Snap-On Ferrite Toroid RF Choke Core, Two (2) Cores in Package.
    Special Price $5.98 Regular Price $8.50 As low as $4.49
    IN STOCK - MORE THAN 100 READY TO SHIP!

    RadioShack - 273-104 - Snap-On Ferrite Toroid RF Choke Cores, Two (2) Cores in Package.

    Reduce or eliminate on RFI (radio frequency interference) with this snap-together Toroid Choke Core. Effective "Roadblock" to Radio Frequency Interference. Easily use choke core on a phone, computer, AC, audio and coax cables. No cable cutting necessary - you simply wind it through the core.

    Fast 'n Easy Solutions to RFI Problems

    Helps reduce RFI (Radio Frequency Interference). Use on Phone, Computer, Keyboard, AC, Audio and Coax Cables.

    Use as close to the equipment as possible, wrapping the cord through the center of the coil until the core is filled. All turns must be wound in the same direction to avoid cancelling the effects of the core.

    No need to cut cable - Simply wind it through the core and snap together.

    Ferrite Split Core Chokes (Two per package)

    Effective to 500 MHz.

    Approximate Overall Dimensions: 1.62" X  1.125" X 0.396"

    Opening: 0.885" X 0.380" (7/8" X 3/8")

    Includes Detailed Instructions on Theory and Installation.

    Note: Some customer report using as a step up Transformer by winding primary and secondary coils driven at 60 Hz. 

    Additional Interference Information: 

    http://www.audiosystemsgroup.com/RFI-Ham.pdf

    http://www.ll-leasing.com/pritch/shortwav.htm

    https://www.qsl.net/wa2lqo/nlnov99.html

    http://www.industrial-electronics.com/measurement-testing-com/zapping_electrical_noise.html

    UPC 040293126568

    NSN: 5950-01-322-7847

    Equivalent Part Numbers: 2730104, 273-0104, 273-104

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  3. Vishay - DALE - IHD3-10 - Inductor, Coil. 10uuH,  4 Amp, Axial leads.
    Vishay - DALE - IHD3-10 - Inductor, Coil. 10uuH, 4 Amp, Axial leads.
    Special Price $0.98 Regular Price $1.25 As low as $0.79
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    Vishay - DALE - IHD3-10 Inductor, Coil, 10uH.

    Status : Discontinued

    Inductor Type: High Frequency

    Series: IHD

    Inductance:10µH

    Temperature: -55 C to 125 C

    Package/Case: Axial Leaded

    Core Material: Ferrite 

    Maximum Current: 4A.

    Tolerance: 15%.

    DC Resistance: 0.016 Ohm max.

    Dimensions: 0.900"L x 0.460"D (22.86 X 11.68 mm) plus axial leads 1.3"L.

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  4. Vishay DALE - IHA-502 - Inductor, choke. 10uH 8.3Amp 0.015 Ohm.
    Vishay DALE - IHA-502 - Inductor, choke. 10uH 8.3Amp 0.015 Ohm.
    Special Price $2.98 Regular Price $3.50 As low as $2.49
    READY TO SHIP - ONLY 32 LEFT IN STOCK!

    Vishay DALE - IHA-502 Inductor, choke.

    10uH 8.3Amp 0.015 Ohm.

    Tolerance: 10%.

    Mount: PCB.

    Package: Axial leads.

    Dimensions: 0.475" (12.07mm) D x 1.05" (26.67mm) long.

    Note: Filter inductors, high current.

    Protected by polyolefin tubing - flame retardant UL type VW-1 per MIL-I-23053/5, Class 3 requirements.

    Learn More
  5. VISHAY DALE - ITU-1731-4 High Current Toroid Inductor Copper Coil Horizontal Mount 50uH 40A
    VISHAY DALE - ITU-1731-4 High Current Toroid Inductor Copper Coil Horizontal Mount 50uH 40A
    Special Price $12.98 Regular Price $18.50 As low as $6.98
    IN STOCK - MORE THAN 100 READY TO SHIP!
    VISHAY DALE - ITU-1731-4 High Current Toroid Inductor Copper Coil Horizontal Mount 50uH 40A Toroid inductance coils are important electrical components for preventing electromagnetic interference, widely used in supply circuits, miniature TVs, adapters, DC-DC power modules, various electronic products, etc. The advantage of the toroidal shape is that, due to its symmetry, the amount of magnetic flux that escapes outside the core (Leakage Flux) is low, therefore it is more efficient and thus radiates less Electromagnet Interference (EMI). Large Low Loss, Ferrite Core with stable electrical operating characteristics maximize inductor efficiency by minimizing copper losses High-Reliability Low-Resistance Leaded Inductor. Toroid Cores are Self Shielded requiring no need for an enclosure. Inductance: 50uH Current: 40Amp. Inductance @ 1Vrms, 10Khz, 40Amps DC: 50uH min. Inductance @ 1Khz w/out DC: 60uH DC-Resistance: 0.01 Ohms. Wire Diameter: 1.83mm (0.071") 11 AWG Core Material: Ferrite Dimensions: 2.2" Diameter x 1.1" High. Connections: Quick Connect or PCB Solder Mounting. Note: Leads are approximately 1" Long and some have 1/4" Quick Connects attached. Operating Temperature: -55°C to 125°C Extremely Conservative Design Current Rating. We counted about 64 turns of 13AWG Enameled Magnet Wire on this High Current Toroid Choke designed to rid audio equipment noise from the lights and props used on a commercial stage. Applications: Applications: EMI Filters, Buck and Boost Switches, Ballasts, Medical, Telecommunications, Musical Instruments, Industrial Controls, Chokes, Power Supplies, Inverters, Amplifiers and Control Circuits. Made in USA – Factory New Large Quantity Available, Discounted Special order Toroid where some units have quick disconnect and other's don't directly from Vishay Dale Factory. Learn More
  6. VISHAY DALE - IHD1-100UH - Inductor, Filter Coil, High current, Axial LeaD, 100uH 1.1Amp.
    VISHAY DALE - IHD1-100UH - Inductor, Filter Coil, High current, Axial LeaD, 100uH 1.1Amp.
    Special Price $2.98 Regular Price $3.50 As low as $1.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    VISHAY DALE - IHD1-100UH Inductor, coil.

    Inductance: 100uH.

    Power: 1.1Amp.

    Tolerance: 15%.

    Package: Axial Leads.

    Dimensions: 0.270" D x 0.70" long.

    More info: http://www.vishay.com/docs/34016/ihd.pdf

    Learn More
  7. Vishay DALE - IHA-205 - Inductor, choke. 500uH 2.3Amp 0.32 Ohm.
    Vishay DALE - IHA-205 - Inductor, choke. 500uH 2.3Amp 0.32 Ohm.
    Special Price $5.98 Regular Price $6.50 As low as $3.98
    READY TO SHIP - ONLY 57 LEFT IN STOCK!

    Vishay DALE - IHA-205 Inductor Choke, Ferrite Core Wirewound.

    500uH 2.3Amp 0.32 Ohm.

    Tolerance: 10%. Mount: PCB.

    Package: Axial Leads.

    Dimensions: 0.750" (19.05mm) D x 1.05" (26.67mm) long.

    Filter inductors, high current used for Noise filtering for switching regulators, power amplifiers, power supplies, and SCR and triac control circuits.

    Protected by polyolefin tubing - flame retardant UL type VW-1 per MIL-I-23053/5, Class 3 requirements.

    NSN 5950-01-191-9998

    Learn More
  8. DALE - IHA-104 - Inductor, choke. 500uH 1.6Amp 0.42 Ohm.
    DALE - IHA-104 - Inductor, choke. 500uH 1.6Amp 0.42 Ohm.
    Special Price $2.25 Regular Price $3.00
    Inductor, choke. 500uH 1.6Amp 0.42 Ohm. Tolerance: 10%. Mount: PCB. Package: axial leads. Dimensions: 0.550" (13.97mm) D x 1.05" (26.67mm) long. Note: Filter inductors, high current. Protected by polyolefin tubing - flame retardant UL type VW-1 per MIL-I-23053/5, Class 3 requirements. Learn More
  9. VISHAY DALE - IHB5-560 - Filter Inductor, High Current, Radial Leaded,  Coil 560uH,  5 Amp, 0.105 Ohm.
    VISHAY DALE - IHB5-560 - Filter Inductor, High Current, Radial Leaded, Coil 560uH, 5 Amp, 0.105 Ohm.
    Special Price $9.98 Regular Price $14.50 As low as $7.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    VISHAY DALE - IHB5-560 - Filter Inductor, High Current, Radial Leaded, Coil

    Toroid inductance coils are important electrical components for preventing electromagnetic interference, widely used in supply circuits, miniature TVs, adapters, DC-DC power modules, various electronic products, etc. The advantage of the toroidal shape is that, due to its symmetry, the amount of magnetic flux that escapes outside the core (Leakage Flux) is low, therefore it is more efficient and thus radiates less Electromagnet Interference (EMI).

    Large Low Loss, Ferrite Core with stable electrical operating characteristics maximize inductor efficiency by minimizing copper losses 
     
    High-Reliability Low-Resistance Leaded Inductor. 
     
    Toroid Cores are Self Shielded requiring no need for an enclosure.

    560uH  5 Amp, 0.105 Ohm.

    DCR Max. (Ohms): 0.105

    Rated DC Current (Amps): 5

    Lead E Spacing: 1.07 (28.18)

    Max. Lead "F" Diameter: 0.045 (1/15)  

    Tolerance: 10%.

    Mount: PCB, Open Frame.

    Core Material: Ferrite

    Operating Temperature: -55°C to 125°C

    Dimensions: 1.60" (Diameter) x 1.45" Coil Height) x 0.175" (core Diameter).

    Additional Information: https://www.vishay.com/docs/34015/ihb.pdf

    Applications: Applications: EMI Filters, Buck and Boost Switches, Ballasts, Medical, Telecommunications, Musical Instruments, Industrial Controls, Chokes, Power Supplies, Inverters, Amplifiers and Control Circuits.
     
    Made in USA – Factory New
     
     

     

    Learn More
  10. DALE - IMS-5-3300 3.3mHy - Inductor, choke. 3.3mH. Shielded.
    DALE - IMS-5-3300 3.3mHy - Inductor, choke. 3.3mH. Shielded.
    $2.50
    Inductor, choke. Inductance: 3.3mH. Shielded. Tolerance: 10%. Dielectric withstanding voltage: 1,000V. Material: epoxy. Package: axial leads. Dimensions: 4.3mm D x 10.6mm long. Operating temperature: -55 to 105 Deg C. More info: http://www.vishay.com/docs/34048/ims5.pdf Learn More
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