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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. Military 4 items
  2. Voltage Regulators 37 items
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  1. ST Microelectronics 3 items
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Items 1-24 of 37

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  1. TDK - LAMBDA - LAS79HG - Voltage Regulator VR, Linear. Negative Adjustable.
    TDK - LAMBDA - LAS79HG - Voltage Regulator VR, Linear. Negative Adjustable.
    Special Price $32.98 Regular Price $49.00 As low as $26.98
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    TDK - LAMBDA - LAS79HG - Voltage Regulator, Linear.

    Polarity: Negative Adjustable.

    Supply Voltage: -40V.

    Adjustable Output Voltage: -2.2 to -30V.

    Current: 5 Amp.

    Operating Temperature: 0 to 150 Degrees C.

    Package: TO-3-4. Steel

    New Old Stock

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  2. TDK - Lambda - LAS1905 - Voltage Regulator, Linear. 5V 5Amp. To-3 Steel
    TDK - Lambda - LAS1905 - Voltage Regulator, Linear. 5V 5Amp. To-3 Steel
    Special Price $28.98 Regular Price $36.50 As low as $24.98
    READY TO SHIP - ONLY 54 LEFT IN STOCK!
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    TDK - Lambda - LAS1905 - Voltage Regulator, Linear.

    Polarity: Positive.

    Adjustment Range: 5V.

    Maximum Current: 5Amp.

    Package: TO-3 Steel.

    New. Monolithic.

    Pinball OM0148A

    Alternate: XO-328 

    Additional Data: http://www.datasheetspdf.com/pdf/905140/Semtech/LAS1905/1

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  3. ST MICROELECTRONICS - L78M12CV - VR, linear. 12V 0.5Amp.
    ST MICROELECTRONICS - L78M12CV - VR, linear. 12V 0.5Amp.
    $0.98
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    Voltage regulator, linear. Polarity: positive. Adjustment range: 12V fixed. Maximum current: 500mA. Case: TO-220. Learn More
  4. National Semiconductor Corp - LM78L12ACZ - VR, linear. 12V 100mA. Package of 20.
    National Semiconductor Corp - LM78L12ACZ - VR, linear. 12V 100mA. Package of 20.
    $3.00
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    Voltage Regulator, linear. Polarity: positive. Adjustment Range: 12V, fixed. Maximum Current: 100mA. Package: TO-92. Package of 20. Learn More
  5. NATIONAL Semiconductor - 78L05ACZ HOUSE # - VR, linear. 5V 100mA. Package of 100.
    NATIONAL Semiconductor - 78L05ACZ HOUSE # - VR, linear. 5V 100mA. Package of 100.
    Special Price $7.98 Regular Price $14.00
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    NATIONAL Semiconductor - 78L05ACZ HOUSE # Voltage Regulator, linear.

    Polarity: positive.

    Adjustment Range: 5V, fixed.

    Maximum Current: 100mA.

    House numbered 5184.

    Package: TO-92.

    Package of 100.

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  6. Motorola - 79L12ACP - VR. Neg 12V 100mA. Package of 20.
    Motorola - 79L12ACP - VR. Neg 12V 100mA. Package of 20.
    $3.00
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    Voltage Regulator, linear. Polarity: negative. Adjustment Range: 12V, fixed. Maximum Current: 100mA. Package: TO-92. Package of 20. Learn More
  7. National Semiconductor Corp - LM2940CT-5.0 - Voltage Regulator, Linear. Positive 5V. TO-220.
    National Semiconductor Corp - LM2940CT-5.0 - Voltage Regulator, Linear. Positive 5V. TO-220.
    Special Price $0.89 Regular Price $1.00 As low as $0.59
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    National Semiconductor Corp - LM2940CT-5.0 Voltage Regulator, Linear.

    Polarity: Positive.

    Adjustment range: 5V, fixed.

    Maximum current: 1Amp.

    Low dropout voltage typically 0.5V @ IO = 1A.

    Package: TO-220.

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  8. National Semiconductor Corp - LM2931CT - VR, linear. Adj 0.1Amp.
    National Semiconductor Corp - LM2931CT - VR, linear. Adj 0.1Amp.
    $1.00
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    Voltage regulator, linear. Polarity: Positive. Adjustment range: 2.7V to 29.5V. Maximum current: 100mA. Low dropout. P+ Enhanced version. Package: TO-220-5. Learn More
  9. National Semiconductor Corp - LM140H-5.0/883C - Voltage regulator, linear. Pos 5V 0.5A.
    National Semiconductor Corp - LM140H-5.0/883C - Voltage regulator, linear. Pos 5V 0.5A.
    Special Price $11.95 Regular Price $15.00
    Out of stock
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    Voltage regulator, linear. Polarity: positive. Adjustment Range: 5V, fixed. Maximum current: 0.5Amp. Package: TO-29. Note: Military 883, Hi rel QB. Learn More
  10. FAIRCHILD - 79M06AHC - VR. Negative 6V 500mA.
    FAIRCHILD - 79M06AHC - VR. Negative 6V 500mA.
    $6.99
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    Voltage Regulator, linear. Polarity: negative. Adjustment Range: 6V, fixed. Maximum Current: 500mA. Package: TO-39. Learn More
  11. FAIRCHILD - 78L15C - VR. Pos 15V 100mA.
    FAIRCHILD - 78L15C - VR. Pos 15V 100mA.
    $0.50
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    Voltage Regulator, linear. Polarity: positive. Adjustment Range: 15V fixed. Maximum Current: 100mA. Package: TO-92 plastic. Learn More
  12. Texas Instruments - 7912C - VR. Negative 12V 1Amp.
    Texas Instruments - 7912C - VR. Negative 12V 1Amp.
    $0.60
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    Voltage regulator, linear. Polarity: negative. Adjustment Range: 12V, fixed. Maximum Current: 1.0A. Package: TO-220. Learn More
  13. ST Microelectronics - L78S24CV – Voltage Regulator, Linear. 24V 2Amp, TO220.
    ST Microelectronics - L78S24CV – Voltage Regulator, Linear. 24V 2Amp, TO220.
    Special Price $0.98 Regular Price $1.49
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    ST Microelectronics - L78S24CV - Voltage regulators, Linear. Polarity: Positive. Output voltage range: 24 fixed. Current: 2Amp. Operating temperature: 0 to 150 Deg C. Case: TO-220. Learn More
  14. ST Microelectronics - L78S12CV - VR, linear. 12V 2Amp.
    ST Microelectronics - L78S12CV - VR, linear. 12V 2Amp.
    $0.98
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    Voltage regulator, linear. Polarity: positive. Adjustment range: 12V fixed. Maximum current: 2Amp. Case: TO-220 Learn More
  15. ST - L78S12CT - VR, linear. Pos 12V 2Amp. TO-3 steel.
    ST - L78S12CT - VR, linear. Pos 12V 2Amp. TO-3 steel.
    Special Price $4.95 Regular Price $7.50
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    Voltage regulator, linear. Polarity: positive. Adjustment range: 12V fixed. Maximum current: 2Amp. Package: TO-3 steel. New. Note: Thermal overload protection. Short circuit protection. Output transition SOA protection. Learn More
  16. SGS-Thompson - 7908CV - Voltage Regulator, linear. P/N: 7908CV.
    SGS-Thompson - 7908CV - Voltage Regulator, linear. P/N: 7908CV.
    $0.75
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    Voltage Regulator, linear. Polarity: negative. Adjustment Range: 8V, fixed. Maximum Current: 1.5A. Package: TO-220. Learn More
  17. SAMSUNG - 79M05CT - VR, linear. Neg 5V 500mA.
    SAMSUNG - 79M05CT - VR, linear. Neg 5V 500mA.
    $0.50
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    Voltage Regulator, linear. Polarity: negative. Adjustment Range: 5V, fixed. Maximum Current: 500mA. Package: TO-220. Learn More
  18. National Semiconductor - LM723CJ - VR, Linear. +2 to 37V 150mA. Used/Removed from Equipment
    National Semiconductor - LM723CJ - VR, Linear. +2 to 37V 150mA. Used/Removed from Equipment
    Special Price $1.98 Regular Price $2.50 As low as $1.49
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    National Semiconductor - LM723CJ - Voltage Regulator, Linear.

    Polarity: Positive.

    Adjustment Range: 2V to 37V.

    Output current: up to 150mA.

    Operating temperature range: -0 Deg C to +70 Deg C.

    Case: 14 Cdip,

    Clean Pulls / Removed from Equipment, Very Good Condition.

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  19. National Semiconductor Corp - LM723CN - VR, linear. +2 to 37V 150mA. Dip.
    National Semiconductor Corp - LM723CN - VR, linear. +2 to 37V 150mA. Dip.
    $0.98
    READY TO SHIP - ONLY 20 LEFT IN STOCK!
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    National Semiconductor Corp - LM723CN Voltage regulator, linear.

    Polarity: positive.

    Adjustment range: 2V to 37V.

    Output current: up to 150mA.

    Operating temperature range: -0 Deg C to +70 Deg C.

    Case: 14 Dip.

    Learn More
  20. National Semiconductor Corp - LM7912CT - VR. Negative 12V 1Amp.
    National Semiconductor Corp - LM7912CT - VR. Negative 12V 1Amp.
    $0.60
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Voltage regulator, linear. Polarity: negative. Adjustment Range: 12V, fixed. Maximum Current: 1.0A. Package: TO-220.

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  21. National Semiconductor Corp - LM1086IT-ADJ - Voltage Regulator, linear. 1.5Amp LDO.
    National Semiconductor Corp - LM1086IT-ADJ - Voltage Regulator, linear. 1.5Amp LDO.
    Special Price $0.98 Regular Price $1.50
    Out of stock
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    National Semiconductor Corp - LM1086IT-ADJ Voltage Regulator, linear.

    Maximum Current: 1.5Amp.

    Nominal Output: 800mW.

    Polarity: positive.

    Package: TO-220.

    Operating temp: -40 to 125 Deg C.

    Note: LDO.

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  22. National Semiconductor Corp - 79L05 - VR, linear. -5V 100mA. Package of 3.
    National Semiconductor Corp - 79L05 - VR, linear. -5V 100mA. Package of 3.
    $1.00
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    Voltage Regulator, linear. Polarity: negative. Adjustment Range: 5V, fixed. Maximum Current: 100mA. Package: TO-92. Note: Double marked 320L. Package of 3. Learn More
  23. National Semiconductor Corp - LM120K-12/883C - Voltage regulator, linear. -12V 1.5Amp. Mil.
    National Semiconductor Corp - LM120K-12/883C - Voltage regulator, linear. -12V 1.5Amp. Mil.
    $15.95
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    Voltage regulator, linear. Polarity: negative. Voltage: -12V. Current: 1.5Amp. Dissipation: 20 watt. Package: TO-3 steel. Note: Military 883C. Learn More
  24. National Semiconductor Corp - LM1086IT-ADJ - Voltage Regulator, linear. 1.5Amp LDO.
    National Semiconductor Corp - LM1086IT-ADJ - Voltage Regulator, linear. 1.5Amp LDO.
    Special Price $0.98 Regular Price $1.50
    Out of stock
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    National Semiconductor Corp - LM1086IT-ADJ  Voltage Regulator, linear.

    Polarity: positive.

    Maximum Current: 1.5Amp.

    Nominal Output: 800mW.

    Package: TO-220.

    Operating temp: -40 to 125 Deg C.

    Note: LDO.

    Learn More
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