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. Texas Instruments - TIL189-3 - IC. Optocoupler/Optoisolator.
    $2.99
    IC. Optocoupler/Optoisolator. Optically coupled to a silicon NPN darlington transistor. Package: 6 Dip. New. Learn More
  2. QTC - HCPL2531 - IC, optocoupler. Package: 8 Dip.
    $4.00
    IC, optocoupler. Dual channel high speed transistor optocoupler. Package: 8 Dip. HCPL-2531. Learn More
  3. Motorola - MOC1000 - IC, optocoupler. NPN-Output.
    $9.99
    IC, optocoupler. NPN-Output. Transistor: 30V. Diode: 3V 80mA. Dissipation: 250mW. Case: 6 Dip, gold leads. Learn More
  4. Motorola - MOC8206 - IC, optoisolator. Transistor out 400V.
    Special Price $4.50 Regular Price $6.00
    IC, optoisolator. High voltage transistor output (400 Volts). Package: 6 Dip. Learn More
  5. MISC - MCA230 - IC. Photon coupled isolator.
    $1.00
    IC. Photon coupled isolator. GaAs infrared emitting diode & NPN silicon darlington connected photo-transistor. Package: 6 Dip. Used/Removed from equipment. Learn More
  6. MONSANTO - MCA2-55 - IC. Photon coupled isolator.
    $2.75
    IC. Photon coupled isolator. GaAs infrared emitting diode & NPN silicon darlington connected photo-transistor. Package: 6 Dip Learn More
  7. General Instruments - MCA230 - IC. Photon coupled isolator.
    $2.75
    IC. Photon coupled isolator. GaAs infrared emitting diode & NPN silicon darlington connected photo-transistor. Package: 6 Dip. Learn More
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