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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. Unmarked 67 items
  2. ST Microelectronics 11 items
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  8. Altair 3 items
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  12. Bivar Inc 7 items
  13. BELL 1 item
  14. BIVAR 1 item
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  16. CEN 1 item
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  18. Calrad 11 items
  19. Chicago Miniature Lab 9 items
  20. Datatronics Ltd 1 item
  21. EDAL 1 item
  22. DII 29 items
  23. EIC 1 item
  24. FAIRCHILD 32 items
  25. Everlight 5 items
  26. Fairchild Semiconductor. 1 item
  27. General Electric 5 items
  28. General Instruments 21 items
  29. GENERAL SEMI 1 item
  30. Harris Corp 2 items
  31. GS 2 items
  32. Hewlett Packard 16 items
  33. HIT/RCA 1 item
  34. HI 1 item
  35. IBM 1 item
  36. INFINEON 4 items
  37. HUNIN 1 item
  38. IMT America 1 item
  39. IR&TRW 1 item
  40. ITT 10 items
  41. Kingbright 1 item
  42. JRC 1 item
  43. ITT SEMI 1 item
  44. KEC 1 item
  45. LITE-ON 4 items
  46. KS 1 item
  47. Ligitek 1 item
  48. LEDTECH ELECTRONICS CORP 1 item
  49. MAJOR 5 items
  50. LITON 1 item
  51. LITEON 9 items
  52. National Semiconductor Corp 8 items
  53. LUMEX 5 items
  54. MICROSEMI 4 items
  55. Marktech 1 item
  56. MISC 2 items
  57. Mitsubishi 1 item
  58. Motorola 187 items
  59. Mini Systems 1 item
  60. Texas Instruments 8 items
  61. MSC 3 items
  62. NAT 3 items
  63. MS 1 item
  64. NATIONAL SEMICONDUCTOR CORP. 25 items
  65. NATIONAL SEMI CONDUCTOR 1 item
  66. NIC COMPONENTS CORP 1 item
  67. Philips 20 items
  68. NEMATRON 1 item
  69. NXP Semiconductors 1 item
  70. Optek 8 items
  71. ON SEMI 11 items
  72. On Semi/Motorola 1 item
  73. ON SEMICONDUCTOR 3 items
  74. Philco 2 items
  75. Panasonic/Matsushita 1 item
  76. PAN JIT 1 item
  77. Sylvania 1 item
  78. RAYTHEON. 1 item
  79. RCA 1 item
  80. Samsung 1 item
  81. S 1 item
  82. ROHM 13 items
  83. RECTRON 4 items
  84. SEIKO 1 item
  85. SEMTECH 1 item
  86. SHARP 2 items
  87. Shindengen Electric 2 items
  88. Siemens 6 items
  89. Siliconix 2 items
  90. ST 1 item
  91. Sprague 2 items
  92. SUPERTEX 1 item
  93. Teledyne 2 items
  94. T 1 item
  95. TCI 1 item
  96. TEMIC 5 items
  97. Teledyne & Motorola 1 item
  98. TAIWAN SEMI 1 item
  99. Toshiba 2 items
  100. TFK 2 items
  101. THOMSON CSF 4 items
  102. TI/ST 1 item
  103. Thermalloy/Aavid 1 item
  104. THOMPSON 1 item
  105. THOMPSON CSF 1 item
  106. TI/MOT/RCA 1 item
  107. THERMALLOY 1 item
  108. Three-Five Systems Inc 1 item
  109. Unitrode 2 items
  110. Unity Opto Technology 1 item
  111. Vishay 9 items
  112. Vishay/Telefunken 1 item
  113. Zenith 2 items
  114. Zetex 2 items
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Items 1-24 of 676

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  1. IBM - 73P5395-04 - IC, voltage regulators. 4 SMD. (156S0142). Package of 10.
    IBM - 73P5395-04 - IC, voltage regulators. 4 SMD. (156S0142). Package of 10.
    $1.00
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    IC, voltage regulators. Case 4 SMD, 0.5" x 0.28". From: Manufactures 700 piece T/R. Cross: DATATRONICS LTD 156S0142. Package of 10. Learn More
  2. DATATRONICS LTD - 156S0142 IBM - IC, voltage regulators. 4 SMD. Package of 10.
    DATATRONICS LTD - 156S0142 IBM - IC, voltage regulators. 4 SMD. Package of 10.
    $1.00
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    IC, voltage regulators. Case 4 SMD, 0.5" x 0.28". From: Manufactures 700 piece T/R. Cross: IBM 73P5395-04. Package of 10. Learn More
  3. FAIRCHILD - 2N3137 HOUSE NUMBERED - Transistor, NPN. H# 115329-1. Package of 10.
    FAIRCHILD - 2N3137 HOUSE NUMBERED - Transistor, NPN. H# 115329-1. Package of 10.
    Special Price $6.98 Regular Price $12.50 As low as $5.98
    IN STOCK - MORE THAN 500 READY TO SHIP!
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    FAIRCHILD - 2N3137 Transistor, NPN.

    Voltage. 20VCEO, 40VBCO.

    Current: 150mA.

    Dissipation: 0.8 watt.

    Power Gain: 250Mhz.

    Package: TO-5.

    Note: Silicon.

    P/N: House numbered 115329-2.

    Package of 10.

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  4. EVERLIGHT - ELPT202C - Phototransistor. Visible & NIR. Package of 50.
    EVERLIGHT - ELPT202C - Phototransistor. Visible & NIR. Package of 50.
    $8.50
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    PhotoTransistor. T1 3mm package. Peak sensitive wavelength: 860nm. 100mW Visible & NIR - near infrared. 30Vce 5Veb 0.4Vce(sat) Tr,Tf: 15uSec Iceo(dark)100nA. Ic(on): 0.16mA(minimum), 0.4mA typical. PT202C is a high speed and high sensitivity silicon NPN epitaxial planar phototransistor in a standard 3mm package. Due to its water clear epoxy the device is sensitive to visible and near infrared light. Package of 50. More info: http://www.everlight.com.ua/pdf/ir-transist/PT202C.pdf Learn More
  5. Agilent - HLMP-Q150-F0011 - LED. SMD. Sub-Miniature Red 90-deg Clear Lens. Package of 10.
    Agilent - HLMP-Q150-F0011 - LED. SMD. Sub-Miniature Red 90-deg Clear Lens. Package of 10.
    Special Price $3.98 Regular Price $4.95 As low as $1.49
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    Agilent - HLMP-Q150-F0011 LED. SMD.

    Forward Voltage: 1.6V

    Lens Style: Diffused

    Double Hetero 2.2V 30mA

    Wavelength: 637nm.

    Luminous Intensity: 1.8mcd.

    Viewing Angle: 90Deg.

    Type: AlGaAs 1.91mm.

    Lens: Transparent.

    Color: Diffused Red.

    Operating Temperature: - 40 C to 100 C

    Dimensions: L 2.34mm X H 2.92 mm X W 2.21 mm

    Package: SMD.

    RoHS Compliant.

    Package of 10. 

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  6. Unidentified MFG - 2N4125 HOUSE - PNP. 30V 200ma amplifier. H#183-1. Package of 25.
    Unidentified MFG - 2N4125 HOUSE - PNP. 30V 200ma amplifier. H#183-1. Package of 25.
    Special Price $6.98 Regular Price $9.95
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    2N4125 HOUSE -Transistors, PNP.

    Ratings: 30V 200ma amplifier.

    House Marked 183-1.

    Case: TO-92.

    Package of 25.

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  7. Texas Instruments - 1N645 - Diode. 225V 400mA. Package of 10.
    Texas Instruments - 1N645 - Diode. 225V 400mA. Package of 10.
    $9.00
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    Diode. 225V 400mA 600mW. Package: DO-35 axial leads. New. Note: Silicon. Package of 10. Learn More
  8. Sharp - GL6UR31T - LED. Super Bright Red, T1-3/4. Package of 10.
    Sharp - GL6UR31T - LED. Super Bright Red, T1-3/4. Package of 10.
    Special Price $2.98 Regular Price $4.00 As low as $1.98
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    Sharp - GL6UR31T - LED.

    High-luminosity LED Lamp for Outdoor Use.

    Voltage: 1.85 V Typical, 2.5 V Max.

    Current: 20mA

    GaAsP Double Hetero High Luminosity 660mcd.

    Package: T1-3/4, 5mm Cylinder.

    Lens: Transparent.

    Color: Super Bright Red.

    Package of 10.

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  9. OPTEK - OP265 - LED. IR, 890nm.
    OPTEK - OP265 - LED. IR, 890nm.
    Special Price $2.98 Regular Price $4.00 As low as $1.98
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    OPTEK - OP265 LED. IR, Infrared Emitting Diode, 890nm.

    The OP265 is a high intensity gallium arsenide infrared emitting diode (GaAIAs) that is molded in an IR transmissive clear epoxy package with either a dome or flat lens. The small T-1 package style makes these devices ideal for space limited applications. 

    • T-1 (3mm) package style
    • Choice of narrow or wide irradiance pattern
    • Choice of dome or flat lens
    • Mechanically and spectrally matched to other OPTEK devices
    • Higher power output than GaAs at equivalent drive currents
    • 890 nm diodes
    • Current - DC Forward (If) (Max):50mA
    • Mounting Type:Through Hole
    • Operating Temperature:-40°C ~ 100°C (TA)
    • Orientation:Top View
    • Type:Infrared (IR)
    • Viewing Angle:18° ~ 120°
    • Voltage - Forward (Vf) (Typ):1.8V
    • Wavelength:850nm ~ 890nm

    0.050" lead spacing.

    Applications:

    • Space limited applications
    • Applications requiring coupling efficiency
    • Battery operated or voltage limited applications

     

     

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  10. OPTEK - OP245 - LED. IR, 890nm. Package of 5.
    OPTEK - OP245 - LED. IR, 890nm. Package of 5.
    Special Price $3.98 Regular Price $5.00 As low as $2.98
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    OPTEK - OP245 LED. IR, infrared emitting diode, 890nm.

    Type: Infrared (IR) . Optek P/N KL230-00R         

    Current - DC Forward (If) (Max): 50mA   

    Wavelength: 890nm       

    Voltage - Forward (Vf) (Typ): 1.8V

    Case: Sidelooker 0.100" Base.

    Matched to OP555 PhotoTransistor.

    Current - DC Forward (If) (Max): 50mA

    Mounting Type: Through Hole

    Operating Temperature: -40°C ~ 100°C (TA)

    Orientation: Side View - Package / Case: Radial

    Package of 5.

     

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  11. Motorola - MKP1V240RL - Diode, sidac. 240V 0.9Amp. Package of 4.
    Motorola - MKP1V240RL - Diode, sidac. 240V 0.9Amp. Package of 4.
    $1.00
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    Diode, sidac. 240V 0.9Amp triac trigger. Case: DO-41 axial leads. From: Manufactures T/R. Package of 4. Learn More
  12. Motorola - A67C016D dice - IC. Military dice. Package of 25.
    Motorola - A67C016D dice - IC. Military dice. Package of 25.
    $5.00
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    IC. Military dice. E21A67C016D / 9BE21786C / GA100X Hi radiation. Package: SMD. Package of 25. Learn More
  13. Motorola - 1N5338B - Diode, Zener. 5.1V 5W. Package of 2.
    Motorola - 1N5338B - Diode, Zener. 5.1V 5W. Package of 2.
    Special Price $0.98 Regular Price $1.29 As low as $0.49
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Motorola - 1N5338B Diode, Zener.

    5 Watt Zener diodes with tight limits and better operating characteristics that reflect the superior capabilities of silicon−oxide passivated junctions. All this in an axial lead, transfer−molded plastic package that offers protection in all common environmental conditions.

    Voltage: 5.1.

    Power: 5 watt.

    Tolerance: 5%.

    Package: axial leads.

    Package of 2.

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  14. KEC - KN2907 - Transistor, PNP. Epitaxial Planar, TO-92, Package of 10.
    KEC - KN2907 - Transistor, PNP. Epitaxial Planar, TO-92, Package of 10.
    Special Price $3.98 Regular Price $6.00 As low as $2.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    KEC (Korea Electronics Corp.) - KN2907 Transistor, PNP.

    Max voltage: 40VCEO, 60VCBO.

    Max current: 600mA.

    Dissipation: 625mW.

    Package: TO-92.

    Operating Temperature: -55 to 150 Deg C.

    Note: Epitaxial Planar.

    Genuine KEC - New Old Stock

    Alternates: 2N2907, MPS2907, NTE159

    Package of 10.

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  15. General Instruments - 6N138 - IC, optocoupler. 6N138, MCC670., Removed from Equipment, Package of 25.
    General Instruments - 6N138 - IC, optocoupler. 6N138, MCC670., Removed from Equipment, Package of 25.
    Special Price $4.98 Regular Price $9.98
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    General Instruments - 6N138 IC, Optocoupler.

    High Speed

    Low input Current

    Photodiode Darlington Output.

    Double marked MCC670.

    Package 8 Dip, Used/Removed from equipment. Package of 25.

    Learn More
  16. General Electric - D44R2 - High Voltage Power Transistor, NPN, TO-220 Gold Leads.
    General Electric - D44R2 - High Voltage Power Transistor, NPN, TO-220 Gold Leads.
    Special Price $2.98 Regular Price $4.00 As low as $1.49
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    General Electric - D44R2 - High Voltage Power Transistor, NPN.

    Type Designator: D44R2

    Material of Transistor: Si

    Polarity: NPN

    Maximum Collector Power Dissipation (Pc): 31 W

    Maximum Collector-Base Voltage |Vcb|: 400 V

    Maximum Collector-Emitter Voltage |Vce|: 250 V

    Maximum Emitter-Base Voltage |Veb|: 5 V

    Maximum Collector Current |Ic max|: 1 A

    Max. Operating Junction Temperature (Tj): 150 °C

    Transition Frequency (ft): 20 MHz

    Max Frequency: 40 MHz

    Collector Capacitance (Cc): 50 pF

    Forward Current Transfer Ratio (hFE), MIN: 75

    Package: TO-220 Red power tab, Pkg.229, Gold Leads. 

    Genuine Vintage General Electric - New Old Stock

    Made in USA

    Alternate/Replaces: ECG198, SK3219, D44R1

    NSN 5961-01-005-8801

     

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  17. FAIRCHILD - 1N914 - Diode. 100V 150ma. Package of 50.
    FAIRCHILD - 1N914 - Diode. 100V 150ma. Package of 50.
    Special Price $2.98 Regular Price $5.00
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    FAIRCHILD - 1N914 Diode.

    100V 150ma 4.0ns signal.

    Case: DO-35 axial leads.

    From: Manufactures T/R and bulk.

    Package of 50.

    Learn More
  18. Chicago Miniature Lab - CM4-8812 - LED. 28VDC T1-3/4 Midget Flange.
    Chicago Miniature Lab - CM4-8812 - LED. 28VDC T1-3/4 Midget Flange.
    Special Price $0.98 Regular Price $1.50 As low as $0.79
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Chicago Miniature Lab - CM4-8812 LED.

    Dome-Style Lamp.

    High-Efficiency, 28VDC 10mA.

    Half-Intensity Beam Angle: 60 Deg.

    Luminous Intensity-6.0m.

    Lens: T1-3/4 Dome Style.

    Color: Diffused Yellow.

    Base: Midget Fflange.

     

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  19. Vishay - MMBD914-V-GS08 - Diode. 100V 250mA. Package of 50.
    Vishay - MMBD914-V-GS08 - Diode. 100V 250mA. Package of 50.
    $1.00
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    Diode. 100V 250mA 370mw for high speed applications. Package: SMD T/R. Note: silicon. Package of 50. Learn More
  20. Unidentified MFG - 7-192 - LED. Rectangular, green. Package of 10.
    Unidentified MFG - 7-192 - LED. Rectangular, green. Package of 10.
    Special Price $2.24 Regular Price $2.99
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    LED. Disc drive indicator, 2V. Completely pre-wired 20" with a 3 pin molex connector. Rectangular 0.24 x 0.15". Color: bright green. Package of 10. Learn More
  21. Unidentified MFG - 2N2923 - Transistor, NPN. P/N: 2N2923. Package of 10.
    Unidentified MFG - 2N2923 - Transistor, NPN. P/N: 2N2923. Package of 10.
    $2.99
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    Transistor, NPN. Max voltage: 25V. Max current: 0.1Amp. Dissipation: 0.2 watt. Package: TO-92. P/N: 2N2923. Note: Silicon. Package of 10. Learn More
  22. Unidentified MFG - 1N4745A - Diode, zener. 16V 1 watt. Package of 25.
    Unidentified MFG - 1N4745A - Diode, zener. 16V 1 watt. Package of 25.
    Special Price $3.98 Regular Price $6.00
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    c Diode, zener.

    16V 1 watt.

    Tolerance: 5%.

    Case: DO-41 axial leads.

    Package of 25.

    Note: Tarnished.

    Learn More
  23. Unidentified MFG - 2N5060 - SCR. 0.8 Amp 30V. Package of 10.
    Unidentified MFG - 2N5060 - SCR. 0.8 Amp 30V. Package of 10.
    Special Price $3.98 Regular Price $5.00
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    2N5060 SCR, silicon controlled rectifier.

    0.8 Amp 30V.

    Sensitive gate.

    Operating Temture: -40 C to 110 C

    Package: TO-92, plastic.

    Package of 10.

    Learn More
  24. Three-Five Systems Inc - NSL5086 - LED. 2V 1Amp. T1 Red. Package of 10.
    Three-Five Systems Inc - NSL5086 - LED. 2V 1Amp. T1 Red. Package of 10.
    $1.00
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    LED. 2V 1Amp. Peak wavelength: 655nm. Half-intensity beam angle: 60 Deg. Luminous intensity: 300ucd. Package T1 dome. Color: Red, diffused. Package of 10. Learn More
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