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Semiconductors

Semiconductor Components

At Electrical Surplus, we offer an extensive selection of electronic semiconductor devices for sale. Semiconductor components offer several advantages, including being shock-proof, having an almost unlimited lifespan, and requiring a low voltage to operate properly.  

Our supply ranges from electronic transistors and timers to diodes and audio converters. Start shopping for your semiconductor components today to experience all of the advantages they have to offer. If the semiconductor you’re looking for is out of stock, you can request a part and we’ll get it to you as quickly as possible.

 Find the semiconductor component you need in our selection below.  

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  1. Transistors 259 items
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  1. BJT 2014 items
  2. JFET 48 items
  3. MOSFET 259 items
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  1. N-Channel 37 items
  2. P-Channel 5 items
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  1. Unmarked 7 items
  2. NEC Corporation 1 item
  3. ST Microelectronics 13 items
  4. Advanced Power Technology 1 item
  5. DII 1 item
  6. FAIRCHILD 24 items
  7. Fairchild semiconductor corportion 1 item
  8. GE/RCA 4 items
  9. FIRCHILD 1 item
  10. General Instruments 1 item
  11. Harris Corp 26 items
  12. INTERSIL 3 items
  13. IR 58 items
  14. IXYS 2 items
  15. Mitsubishi 1 item
  16. Motorola 40 items
  17. MOT 1 item
  18. Texas Instruments 1 item
  19. NTE Electronics Inc. 2 items
  20. Philips 5 items
  21. NTE Electronics Inc 7 items
  22. ON SEMI 2 items
  23. Philco 1 item
  24. Panasonic/Matsushita 1 item
  25. POWER INTEGRATIONS 5 items
  26. RCA 7 items
  27. Samsung 6 items
  28. SEC 2 items
  29. Siemens 4 items
  30. Siliconix 21 items
  31. SIGNETICS 1 item
  32. SILCONIX 1 item
  33. ST 1 item
  34. SML 2 items
  35. SUPERTEX 4 items
  36. Zetex 1 item
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Items 97-120 of 259

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  1. POWER INTEGRATIONS - TOP102YAI - TOPswitch. Off-line switch.
    POWER INTEGRATIONS - TOP102YAI - TOPswitch. Off-line switch.
    $6.00
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    TOPswitch. Off-line switch mode control system: high voltage N-Channel power MOSFET. PWM switch. Output power range: Flyback; 100/110VAC 20-45watt. 48VDC 8.5-17watt. PFC Boost: 100/110VAC 35-70Watt. Package: TO-220. Learn More
  2. Philips - BF980 - Transistor, N Channel Dual gate MOSFET.
    Philips - BF980 - Transistor, N Channel Dual gate MOSFET.
    $1.00
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    Transistor, N Channel Dual gate MOSFET. Max voltage: 18V. Max current: 30mA. Dissipation: 225mW. Package: SOT-103 u-X (Micro X). P/N: BF980. Junction temperature: 150 Deg C. Note: Silicon. Learn More
  3. ON SEMI - MMFT1N10ET1 - Transistors, FET. N-CH 100V 1A. Package of 4.
    ON SEMI - MMFT1N10ET1 - Transistors, FET. N-CH 100V 1A. Package of 4.
    Special Price $0.98 Regular Price $1.50 As low as $0.79
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    ON SEMI - MMFT1N10ET1 -Transistors, MOSFET, N-CChannel

    Rating: 100V 1A

    Number of Pins: 4

    Continuous Drain current: 1A

    Cran to Source Voltage: 100 V

    SMD 4TO-261AA.

    Package of 4.

    Learn More
  4. NEC Corporation - 2SJ137 - Transistor, P Channel MOSFET. P/N: 2SJ137.
    NEC Corporation - 2SJ137 - Transistor, P Channel MOSFET. P/N: 2SJ137.
    $3.00
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    Transistor, P Channel MOSFET. Max voltage: 60V. Max current: 10 Amp. Dissipation: 30 watt. Package: TO-220. P/N: 2SJ137. Operating temperature: -55 to 150 Deg C. Note: Silicon. Learn More
  5. Motorola - MFE3006 - Transistor, N Channel MOSFET. Dual Gate, Silicon-Nitrate Passivated, TO-72.
    Motorola - MFE3006 - Transistor, N Channel MOSFET. Dual Gate, Silicon-Nitrate Passivated, TO-72.
    Special Price $12.98 Regular Price $14.00
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    Motorola - MFE3006 Transistor, N Channel MOSFET.

    Max voltage: 25V(BR)DSS, 35V(BR)GSS.

    Max current: 30mA.

    Dissipation: 300mW.

    Package: TO-72.

    Dual Gate Tetrode MOSFET.

    Genuine Vintage Motorola - New Old Stock - Rare

    Alternates: BF350, BF960, BF961, BF981, 3SK48, 3SK49

    Proudly Made in USA

    Learn More
  6. Motorola - MTP5N06 - Transistor, N CH TMOS Mosfet. P/N: MTP5N06.
    Motorola - MTP5N06 - Transistor, N CH TMOS Mosfet. P/N: MTP5N06.
    $5.00
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    Transistor, N CH TMOS Mosfet. Max voltage: 60V. Max current: 5Amp. Dissipation: 50 watt. Package: TO-220AB. P/N: MTP5N06. Operating temperature: -65 to 150 Deg C. Note: RDS on: 0.6 Ohm. Learn More
  7. Motorola - MTP5N05 - Transistor, N CH TMOS Mosfet. P/N: MTP5N05.
    Motorola - MTP5N05 - Transistor, N CH TMOS Mosfet. P/N: MTP5N05.
    $5.00
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    Transistor, N CH TMOS Mosfet. Max voltage: 50V. Max current: 5Amp. Dissipation: 50 watt. Package: TO-220AB. P/N: MTP5N05. Operating temperature: -65 to 150 Deg C. Note: RDS on: 0.6 Ohm. Learn More
  8. Motorola - MTP25N06E - Transistor, N CH TMOS Mosfet. P/N: MTP25N06E.
    Motorola - MTP25N06E - Transistor, N CH TMOS Mosfet. P/N: MTP25N06E.
    $7.00
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    Transistor, N CH TMOS Mosfet. Max voltage: 60V. Max current: 25 Amp cont. Dissipation: 100 watt. Package: TO-220AB. P/N: MTP25N06E. Note: RDS on: 0.8 Ohm 12.5Amp. Learn More
  9. Motorola - MTH7N45 - Transistor, N Channel. P/N: MTH7N45. New.
    Motorola - MTH7N45 - Transistor, N Channel. P/N: MTH7N45. New.
    $12.99
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    Transistor, N Channel. Max voltage: 450V. Max current: 7 Amp. Dissipation: 150 watt. Package: TO-218 plastic. P/N: MTH7N45. Note: TMOS power Mosfet. Learn More
  10. Motorola - MTP8P10 - Transistor, P CH TMOS Mosfet. P/N: MTP8P10.
    Motorola - MTP8P10 - Transistor, P CH TMOS Mosfet. P/N: MTP8P10.
    Special Price $4.98 Regular Price $5.95
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    Transistor, P CH TMOS Mosfet. Max voltage: 100V. Max current: 8 Amp. Dissipation: 75 watt. Package: TO-220. P/N: MTP8P10. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. RDS on: 0.4 Ohm. Learn More
  11. Motorola - MTP5N06HD - Transistor, N CH MOSFET. P/N: MTP5N06HD.
    Motorola - MTP5N06HD - Transistor, N CH MOSFET. P/N: MTP5N06HD.
    $3.99
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    Transistor, N CH MOSFET. Max voltage: 60V. Max current: 5 Amp. Dissipation: 50 watt. Package: TO-220. P/N: MTP5N06HD. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. RDS on: 0.6 Ohm. Parts are not marked with prefix. Learn More
  12. Motorola - MTM35N06 - Transistor, N Channel MOSFET.
    Motorola - MTM35N06 - Transistor, N Channel MOSFET.
    Special Price $24.98 Regular Price $26.95
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    Motorola - MTM35N06 - Transistor, N Channel MOSFET. Transistor, N Channel MOSFET. Enhancement Mode Silicon Gate. Max Voltage: 60V. Max Current: 35 Amp. Dissipation: 150 Watt. Operating Temperature: -65 to 150 Deg C. TMOS power. RDS on: 0.055 Ohm @ 17.5 Amp. Package: TO-3 Steel. Genuine Vintage Motorola – Rare – New Old Stock Learn More
  13. Motorola - MTH20N15 - Transistor, N Channel. 150V, 20A, 150W, TO-218
    Motorola - MTH20N15 - Transistor, N Channel. 150V, 20A, 150W, TO-218
    Special Price $6.98 Regular Price $8.50 As low as $5.98
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    Motorola - MTH20N15 - Transistor, N Channel.

    Max voltage: 150V.

    Max current: 20 Amp.

    Dissipation: 150 watt.

    Package: TO-218 plastic.

    Note: TMOS power Mosfet.

    New Old Stock

    Learn More
  14. Motorola - MTP25N06 - Transistor, N CH TMOS Mosfet. 60V 25Amp 100W. New.
    Motorola - MTP25N06 - Transistor, N CH TMOS Mosfet. 60V 25Amp 100W. New.
    $7.00
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    Transistor, N CH TMOS Mosfet. Max voltage: 60V. Max current: 25 Amp cont. Dissipation: 100 watt. Package: TO-220AB. P/N: MTP25N06. Note: RDS on: 0.8 Ohm 12.5Amp. Learn More
  15. Motorola - MTP23P06 - Transistor, P Channel MOSFET. 60V 23Amp 90W. New.
    Motorola - MTP23P06 - Transistor, P Channel MOSFET. 60V 23Amp 90W. New.
    $8.00
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    Transistor, P Channel MOSFET. Max voltage: 60V. Max current: 23 Amp. Dissipation: 90 watt. Package: TO-220. P/N: MTP23P06. Operating temperature: -55 to 175 Deg C. Note: RDS on: 0.12 Ohm. Learn More
  16. Motorola - MTH25P05 - Transistor, P Channel. P/N: MTH25P05. New.
    Motorola - MTH25P05 - Transistor, P Channel. P/N: MTH25P05. New.
    Special Price $14.95 Regular Price $18.00
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    Transistor, P Channel. Max voltage: 50V. Max current: 25 Amp. Dissipation: 125 watt. Package: TO-218 plastic. P/N: MTH25P05. Note: TMOS power Mosfet. Learn More
  17. Motorola - MTP475 - Transistor, N Channel MOSFET. P/N: MTP475.
    Motorola - MTP475 - Transistor, N Channel MOSFET. P/N: MTP475.
    $18.89
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    Transistor, N Channel MOSFET. Max voltage: 500V. Max current: 4 Amp. Dissipation: 75 watt. Package: TO-220 gold leads. P/N: MTP475. Note: Enhancement mode. Learn More
  18. Motorola - MTP2P50E - Transistor, P CH TMOS Mosfet. P/N: MTP2P50E.
    Motorola - MTP2P50E - Transistor, P CH TMOS Mosfet. P/N: MTP2P50E.
    Special Price $4.98 Regular Price $6.95
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    Transistor, P CH TMOS Mosfet. Max voltage: 500V. Max current: 2 Amp cont. Dissipation: 75 watt. Package: TO-220AB. P/N: MTP2P50E. Note: RDS on: 6 Ohm 1Amp . Learn More
  19. Motorola - MTM45N12 - Transistor, N Channel MOSFET. P/N: MTM45N12. Used.
    Motorola - MTM45N12 - Transistor, N Channel MOSFET. P/N: MTM45N12. Used.
    $19.00
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    Transistor, N Channel MOSFET. Max voltage: 120V. Max current: 45 Amp. Dissipation: 250 watt. Package: TO-3 steel. P/N: MTM45N12. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. TMOS power. RDS on: 0.06 Ohm @ 22.5 Amp. Used/Removed from equipment. Learn More
  20. Motorola - MTP75N05HD - Transistor, N CH Mosfet. P/N: MTP75N05HD.
    Motorola - MTP75N05HD - Transistor, N CH Mosfet. P/N: MTP75N05HD.
    Special Price $6.98 Regular Price $8.50 As low as $5.98
    READY TO SHIP - ONLY 77 LEFT IN STOCK!
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    Motorola - MTP75N05HD Transistor, N CH Mosfet.

    Max voltage: 50V.

    Max current: 75Amp.

    Dissipation: 150 watt.

    Package: TO-220AB. (221A-09)

    Operating Temperature: -55 to 175 Deg C.

    Note: RDS on: 9.5 m Ohm.

    Learn More
  21. Motorola - MTP8N20 - Transistor, N CH TMOS Mosfet. P/N: MTP8N20.
    Motorola - MTP8N20 - Transistor, N CH TMOS Mosfet. P/N: MTP8N20.
    $4.50
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    Transistor, N CH TMOS Mosfet. Max voltage: 200V. Max current: 8 Amp cont. Dissipation: 75 watt. Package: TO-220AB. P/N: MTP8N20. Note: RDS on: 0.4 Ohm 4Amp. Learn More
  22. Motorola - MTM1N95 - Transistor, N Channel MOSFET. P/N: MTM1N95.
    Motorola - MTM1N95 - Transistor, N Channel MOSFET. P/N: MTM1N95.
    Special Price $21.95 Regular Price $29.00
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    Transistor, N Channel MOSFET. Max voltage: 950V. Max current: 1 Amp. Dissipation: 75 watt. Package: TO-3 steel. P/N: MTM1N95. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. TMOS power. RDS on: 10 Ohm @ 0.5 Amp. Learn More
  23. Motorola - MTM15N35 - Transistor, N Channel MOSFET. P/N: MTM15N35.
    Motorola - MTM15N35 - Transistor, N Channel MOSFET. P/N: MTM15N35.
    $45.00
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    Transistor, N Channel MOSFET. Max voltage: 350V. Max current: 15 Amp. Dissipation: 250 watt. Package: TO-3 steel. P/N: MTM15N35. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. TMOS power. RDS on: 0.3 Ohm @ 7.5 Amp. Learn More
  24. Motorola - MTM35N05 - Transistor, N Channel MOSFET. P/N: MTM35N05.
    Motorola - MTM35N05 - Transistor, N Channel MOSFET. P/N: MTM35N05.
    $25.00
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    Transistor, N Channel MOSFET. Max voltage: 50V. Max current: 35 Amp. Dissipation: 125 watt. Package: TO-3 steel. P/N: MTM35N05. Operating temperature: -65 to 150 Deg C. Note: Enhancement mode silicon gate. TMOS power. RDS on: 0.055 Ohm @ 17.5 Amp. Learn More
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