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. JOHANSON TECHNOLOGY - L805 - Chip Inductor Proto-Kit/500pc. SMD 0805.
    JOHANSON TECHNOLOGY - L805 - Chip Inductor Proto-Kit/500pc. SMD 0805.
    Special Price $59.95 Regular Price $100.00

    JOHANSON TECHNOLOGY - L805 Inductors, choke.

    Johanson Technology’s engineering prototype kits provide RF designers with a broad selection of high frequency ceramic components. Each kit contains a selection of components as well as the latest product data on Johanson’s full line of “High Frequency Ceramic Solutions”.

    Proto Kit, high frequency ceramic chip, 500pcs 0805 SMD per kit = 20 vials of 25pcs each. Includes: 25ea : 1.5nH +/- 0.3nH - 1.8nH +/- 0.3nH - 2.2nH +/- 0.3nH - 2.7nH +/- 0.3nH - 3.3nH +/- 0.3nH - 3.9nH +/- 0.3nH - 4.7nH +/- 0.3nH - 5.6nH +/- 0.3nH - 6.8nH +/- 5% - 8.2nH +/- 5% - 10nH +/- 5% - 22nH +/- 5% - 33nH +/- 5% - 47nH +/- 5% - 82nH +/- 5% - 100nH +/- 10% - 150nH +/- 10% - 220nH +/- 10% -330nH +/- 10% - 470nH +/- 10%.

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  2. BOONTON RADIO CORP - 103A-51 - Inductor. Type 103A-51.
    BOONTON RADIO CORP - 103A-51 - Inductor. Type 103A-51.
    $49.00
    Inductor. Type 103A-51. Tuning range: 30 - 50 Mc. L=0.25uH. C= 5.5uF. Q=225 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  3. BOONTON RADIO CORP - 103A-50 - Inductor. Type 103A-50. Tuning range: 20 - 35Mc.
    BOONTON RADIO CORP - 103A-50 - Inductor. Type 103A-50. Tuning range: 20 - 35Mc.
    $49.00
    Inductor. Type 103A-50. Tuning range: 20 - 35Mc. L=0.5uH. C= 5.5uF. Q=225 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  4. BOONTON RADIO CORP - 103A-2 - Inductor. Type 103A-2. Tuning range: 5 - 14Mc.
    BOONTON RADIO CORP - 103A-2 - Inductor. Type 103A-2. Tuning range: 5 - 14Mc.
    $49.00
    Inductor. Type 103A-2. Tuning range: 5 - 14Mc. L=2.5uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  5. BOONTON RADIO CORP - 103A-5 - Inductor. Type 103A-5.
    BOONTON RADIO CORP - 103A-5 - Inductor. Type 103A-5.
    $49.00
    Inductor. Type 103A-5. Tuning range: 3.5 - 10Mc. L=5uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  6. BOONTON RADIO CORP - 103A-11 - Inductor. Type 103A-11. Tuning range: 2.5 - 7Mc.
    BOONTON RADIO CORP - 103A-11 - Inductor. Type 103A-11. Tuning range: 2.5 - 7Mc.
    $49.00
    Inductor. Type 103A-11. Tuning range: 2.5 - 7Mc. L=10uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  7. RENCO - RL1256-3-18 - Power Line Inductor, Choke. 18uH 0.010 Ohm 13.5Amp.
    RENCO - RL1256-3-18 - Power Line Inductor, Choke. 18uH 0.010 Ohm 13.5Amp.
    Special Price $18.98 Regular Price $24.50 As low as $14.98

    RENCO - RL1256-3-18 - Power Line Inductor, Choke.

    Ratings: 18uH 0.010 Ohm 13.5Amp.

    High saturation flux density material is ideal for use in switching regulated power supply applications.

    Ideal wherever high current choke values in a small physical size are needed

    DC Saturated Amps: 29Amp.

    Operating temperature range: -40°C to +130°C

    Dimensions: diameter 1.10" x Height 0.85" (27.94mm x 21.59mm)

    Typical applications include: power amplifiers, power supplies, SCR and TRIAC controls, speaker crossover networks and filters.

     

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  8. TDK - NLC322522T-220K - Inductors, chokes. 22uH 210mA. Package of 2K.
    TDK - NLC322522T-220K - Inductors, chokes. 22uH 210mA. Package of 2K.
    $59.00
    Inductors, chokes. 22uH 210mA. Tolerance: 10%. Package: 1210 SMD. Operating temperature: �40 to +85 Deg C. Dimensions: 3.2�2.5�2.2mm.List$0.08 - $0.06 each. Package of 2K/full reel. More info: http://www.tdk.co.jp/tefe02/e531_nlc3225.pdf Learn More
  9. BOONTON RADIO CORP - 103A-12 - Inductor. Type 103A-12.
    BOONTON RADIO CORP - 103A-12 - Inductor. Type 103A-12.
    $49.00
    Inductor. Type 103A-12. Tuning range: 1.5 - 4.5Mc. L=25uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  10. BOONTON RADIO CORP - 103A-15 - Inductor. Type 103A-15.
    BOONTON RADIO CORP - 103A-15 - Inductor. Type 103A-15.
    $49.00
    Inductor. Type 103A-15. Tuning range: 1.1 - 3Mc. L=50uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  11. JW MILLER - RFC-7 - Inductor, coil. Inductance: 208uH.
    JW MILLER - RFC-7 - Inductor, coil. Inductance: 208uH.
    $15.99
    Inductor, coil. Inductance: 208uH. Conservative rating: 60mA. Frequency: 3-13 Mc. Ceramic coil form. Application: Designed to cover the major Amatuer and Industrial communication frequencies. Dimensions: 0.500" D x 3.503" long. Contacts: solder terminals. Note: Radio frequency choke. Frequency selective RF chokes. Made in the USA. Learn More
  12. BOONTON RADIO CORP - 103A-22 - Inductor. Type 103A-22.
    BOONTON RADIO CORP - 103A-22 - Inductor. Type 103A-22.
    $49.00
    Inductor. Type 103A-22. Tuning range: 500-14--KC. L=250uH. C= 6uF. Q=200 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  13. BOONTON RADIO CORP - 103A-25 - Inductor. Type 103A-25. Tuning range: 350-1000 KC.
    BOONTON RADIO CORP - 103A-25 - Inductor. Type 103A-25. Tuning range: 350-1000 KC.
    $49.00
    Inductor. Type 103A-25. Tuning range: 350-1000 KC. L=500uH. C= 7uF. Q=170 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  14. SIGNAL TRANSFORMER INC - CL-25-50 - CL-25-50 Power Choke
    SIGNAL TRANSFORMER INC - CL-25-50 - CL-25-50 Power Choke
    $35.00
    Inductor. choke. (Series connected) 1.2MHY 25Amp 0.012-Ohm) (parrallel connected) 0.3MHY 50Amp 0.003-Ohm) Learn More
  15. BOONTON RADIO CORP - 103A-32 - Inductor. Type 103A-32. Tuning range: 150 - 450KC.
    BOONTON RADIO CORP - 103A-32 - Inductor. Type 103A-32. Tuning range: 150 - 450KC.
    $49.00
    Inductor. Type 103A-32. Tuning range: 150 - 450KC. L=2.5mH. C= 8uF. Q=170 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  16. BOONTON RADIO CORP - 103A-35 - Inductor. Type 103A-35.
    BOONTON RADIO CORP - 103A-35 - Inductor. Type 103A-35.
    $49.00
    Inductor. Type 103A-35. Tuning range: 110 - 300 KC. L=5mH. C= 8uF. Q=160 approximately. Housing: metal can 3" D x 3" high. Manufactures date 1970. Used, very good condition. Learn More
  17. NORTHLAKE ENGINEERING INC. - B24-115 - Inductor, choke. Swinging choke .
    NORTHLAKE ENGINEERING INC. - B24-115 - Inductor, choke. Swinging choke .
    Special Price $16.98 Regular Price $18.50 As low as $14.98

    NORTHLAKE ENGINEERING INC. - B24-115 - Inductor, Choke.

    Northlake Engineering has been designing, developing, and delivering custom magnetics solutions for over 60 years. A Standex Electronics Company.

    A superb quality DC choke for any valve project.

    Swinging Choke 100MH

    Dual Fuse Holders Mount on Frame

    100 mADC 50MH 2Amp.

    Proudly Made in USA

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  18. STEWARD - 28BOASM-KIT - Inductor. EMI suppression ferrite kit.
    STEWARD - 28BOASM-KIT - Inductor. EMI suppression ferrite kit.
    Special Price $41.95 Regular Price $50.00
    READY TO SHIP - ONLY 2 LEFT IN STOCK!

    Inductor. EMI suppression ferrite test & design kit. Note: Possibly a complete full kit.

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  19. STEWARD - 28B0000-KIT - Inductor. EMI suppression ferrite kit.
    STEWARD - 28B0000-KIT - Inductor. EMI suppression ferrite kit.
    Special Price $49.98 Regular Price $98.00

    Inductor. EMI suppression ferrite test & design kit. Note: Possibly a complete full kit.

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  20. STACO - 829-0088 - 50VA Universal Toroid Core, Open Frame.
    STACO - 829-0088 - 50VA Universal Toroid Core, Open Frame.
    Special Price $29.98 Regular Price $48.50
    READY TO SHIP - ONLY 48 LEFT IN STOCK!

    STACO - 829-0088 Universal Toroid Core, Transformer. 50VA, Open Frame.

    Primary is 550 turns of #29 enameled copper wire wound around a 2.8" OD 1.5" high, tape wound, iron core.

    120VAC Pri windings. PriRes=23-Ohms.

    Spec sheet #155 available.

    Similar to GenRad's old Variac or Superior's Powerstat.

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  21. RENCO - RL1256-3-27 - 27 MICRO HENRY NEW COILS/INDUCTORS
    RENCO - RL1256-3-27 - 27 MICRO HENRY NEW COILS/INDUCTORS
    Special Price $18.98 Regular Price $24.50 As low as $14.98

    RENCO - RL1256-3-27 - Power Line Inductor, Choke.

    Ratings: 18uH 0.010 Ohm 13.5Amp.

    High saturation flux density material is ideal for use in switching regulated power supply applications.

    Ideal wherever high current choke values in a small physical size are needed

    DC Saturated Amps: 29Amp.

    Operating temperature range: -40°C to +130°C

    Dimensions: Diameter 1.10" x Height 0.85" (27.94mm x 21.59mm)

    Typical applications include: power amplifiers, power supplies, SCR and TRIAC controls, speaker crossover networks and filters.

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  22. MAJOR - ML14 - Inductors, toroid core. Military.
    MAJOR - ML14 - Inductors, toroid core. Military.
    Special Price $19.95 Regular Price $25.99
    Inductors, toroid core. Military. Dimensions: OD - oval 2.59" long x 1.548" deep x 0.525" high. ID: rectangular 1.525" long x 0.482" deep x 0.525" high. Actually each is 2 piece/match. Learn More
  23. JOHNSON - 5950-578-1099 - Large Multi-tapped Air Coil, Autotransformer.
    JOHNSON - 5950-578-1099 - Large Multi-tapped Air Coil, Autotransformer.
    $200.00

    JOHNSON - 5950-578-1099 - Large multi-tapped Air Coil.

    Autotransformer (Auto-Transformer) is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. An autotransformer uses common winding and offer no interference or disturbance isolation. The current in the high-voltage circuit flows through the series and common winding.

    Large multi-tapped air wound coil.

    One primary, fixed autotransformer.

    Turn quality: 39 single component single primary

    Output: 40 single component single primary input.

    Tap location in turns: 0.208 and 4.250 and 5.278 and 7.305 and 11.403 and 17.250 and 24.180 single component single primary output.

    Mount: Panel.

    Enclosure type: open.

    Actual coil body 40 turns; 3" OD with an ID of 2-1/2".

    Dimensions: 7-13/16" long x 3-5/8" wide x 4-9/16" high.

    Four mount feet have 3-5/16" x 6" centers.

    Note: ALT P/N A-1209. Marked 232-610.

    NSN: 5950-00-578-1099.

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  24. I.S.E. - 800.0015A NT03 - 70VDC Power Supply
    I.S.E. - 800.0015A NT03 - 70VDC Power Supply
    $395.00
    110mm dia NORATEL Toroidal Transformer RTO-0295-000566 295VA on board 173x110x101mm high. New. Learn More
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