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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. Audio IC 3 items
  2. Digital to Analog Converter 1 item
  3. Diode Bridge 17 items
  4. EPROM 10 items
  5. LED 71 items
  6. Memory 10 items
  7. Microprocessors 3 items
  8. Military 6 items
  9. Optoisolators 76 items
  10. RTL & DTL 3 items
  11. Signal Diodes 171 items
  12. Telecommunication 2 items
  13. Thyristors, SCRs and Triacs 15 items
  14. Timers 21 items
  15. Transistors 290 items
  16. Voltage Regulators 145 items
  17. Zener Diodes 187 items
  18. Other Semiconductors 5 items
Capacitance  
Capacitance pF  
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  1. Linear 8 items
Current mAmps  
  1. 20 1 item
  2. 60 2 items
Package  
  1. 14 Cdip 1 item
  2. Dip 1 item
  3. 16 Dip 2 items
  4. 7 Sip 1 item
Structure  
  1. BJT 180 items
  2. JFET 4 items
  3. MOSFET 38 items
  4. FET 17 items
Polarity  
  1. NPN 110 items
  2. PNP 70 items
  3. N-Channel 6 items
  4. P-Channel 1 item
Output Type  
  1. Phototransistor 7 items
  2. Optoisolator 3 items
  3. Optocoupler 7 items
Wavelength  
  1. 585 1 item
  2. 635 1 item
  3. 565 1 item
  4. 570 1 item
Input Type  
  1. AC 4 items
Channel Total  
  1. 1 1 item
  2. 4 1 item
Bits  
  1. 1 1 item
DC Voltage  
Lens Color  
  1. Clear 2 items
  2. Red 1 item
  3. Green 1 item
Tolerance  
  1. 5% 7 items
  2. 10% 2 items
  3. 20% 1 item
Color  
  1. Not Specified 2 items
Manufacturer  
  1. !@ 1 item
  2. Unmarked 53 items
  3. NEC Corporation 5 items
  4. ST Microelectronics 28 items
  5. ADVENT DESIGN CORP 1 item
  6. Alpha Indust 1 item
  7. ANALOG DEVICES, INC 1 item
  8. ASIA 2 items
  9. Atmel Corporation 2 items
  10. Atmel 1 item
  11. AVX 1 item
  12. Bivar Inc 4 items
  13. Bourns 1 item
  14. BIVAR 2 items
  15. Central Semi 5 items
  16. Chicago Miniature Lab 13 items
  17. COMCHIP TECHNOLOGY 2 items
  18. Citizen Electronic 1 item
  19. CRL 1 item
  20. Dialco/Dialight 2 items
  21. Dialight 1 item
  22. DII 32 items
  23. DIT 1 item
  24. EIC 1 item
  25. FAIRCHILD 65 items
  26. EXAR 2 items
  27. F 1 item
  28. EXEL 1 item
  29. Fairchild semiconductor corportion 1 item
  30. Fairchild Semiconductor. 2 items
  31. FB WRIGHT 1 item
  32. General Electric 27 items
  33. GE/NAT 1 item
  34. FSC 1 item
  35. GE/MOT 1 item
  36. General Instruments 52 items
  37. GI (AKK) 1 item
  38. GI/CM 1 item
  39. GENERAL SEMI 6 items
  40. General Semiconductor 2 items
  41. Harris Corp 7 items
  42. GULF SEMI 3 items
  43. Hewlett Packard 10 items
  44. I.P.S. 1 item
  45. IDI CO 1 item
  46. INFINEON 2 items
  47. INTERSIL 3 items
  48. IR 15 items
  49. ITT 8 items
  50. ITT+ROHM 1 item
  51. Keystone Electronics 2 items
  52. Kingbright 4 items
  53. ISOCOM 3 items
  54. JRC 6 items
  55. IRL/MOT 1 item
  56. KSC 2 items
  57. LITE-ON 2 items
  58. LEDTRONICS INC. 1 item
  59. Litronix 3 items
  60. MAJOR 12 items
  61. LITTELFUSE 2 items
  62. LITON 1 item
  63. LITEON 4 items
  64. National Semiconductor Corp 24 items
  65. LUMEX 3 items
  66. Matsushita 4 items
  67. MIC/LYG 1 item
  68. Microchip 3 items
  69. MIC 1 item
  70. MICROSEMI 3 items
  71. MARTECH 1 item
  72. MCC 1 item
  73. MICRO CHIP 1 item
  74. MISC 1 item
  75. Motorola 256 items
  76. MOSTEK 1 item
  77. MONSANTO 2 items
  78. MOT 1 item
  79. MOT/THOMP CSF 2 items
  80. Texas Instruments 30 items
  81. MSC 5 items
  82. NAT 13 items
  83. MS 2 items
  84. MYDATA 1 item
  85. MULITCOMP 1 item
  86. NATIONAL SEMICONDUCTOR CORP. 32 items
  87. NATIONAL SEMI 1 item
  88. NAT/FAIR 1 item
  89. NEC 2 items
  90. NJS 1 item
  91. NSC 1 item
  92. NTE Electronics Inc. 6 items
  93. Philips 12 items
  94. NTE Electronics Inc 6 items
  95. NXP Semiconductors 5 items
  96. OPTEX 1 item
  97. OKI 1 item
  98. Optek 1 item
  99. ON SEMI 20 items
  100. ON SEMICONDUCTOR 2 items
  101. OSRAM OPTO SEMICONDUCTORS INC 1 item
  102. Philco 1 item
  103. Panasonic/Matsushita 3 items
  104. Panasonic 6 items
  105. P E C 1 item
  106. RAYTHEON. 1 item
  107. QTC 5 items
  108. R 1 item
  109. QT Optoelectronics 1 item
  110. RCA 10 items
  111. Samsung 5 items
  112. ROHM 12 items
  113. RECTRON 1 item
  114. Sanyo 1 item
  115. SGS-THOMPSON 2 items
  116. SEIKO 1 item
  117. SEC 1 item
  118. SHARP 4 items
  119. SI 1 item
  120. SGS THOMPSON 1 item
  121. SGS THOMP 1 item
  122. SIG 2 items
  123. Siemens 6 items
  124. Siliconix 7 items
  125. SIGNETICS 4 items
  126. SK 2 items
  127. SK SERIES 2 items
  128. ST 2 items
  129. Sony 1 item
  130. Sprague 2 items
  131. SML 1 item
  132. SUPERTEX 2 items
  133. Stanley Electric 1 item
  134. STANLEY 2 items
  135. Taitron Components Inc 1 item
  136. TEMIC 2 items
  137. TAIWAN SEMI 2 items
  138. Toshiba 7 items
  139. TFK 1 item
  140. THOMSON CSF 2 items
  141. Thompson Components 1 item
  142. Transistor Electronics Corp 1 item
  143. TI 1 item
  144. Unitrode 3 items
  145. TSC 1 item
  146. VARO 3 items
  147. Visual Communications 1 item
  148. Vishay 16 items
  149. VCC 1 item
  150. XICOR 1 item
  151. Zeltex 2 items
  152. Zetex 9 items
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Amperage  
Unit of Measure  
  1. Each 294 items
  2. Set 13 items
  3. Meter 1 item
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Items 1-24 of 1026

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  1. RCA - 180338- Diode, zener. 7.5V 1W. New.
    RCA - 180338- Diode, zener. 7.5V 1W. New.
    $0.25
    READY TO SHIP - ONLY 1 LEFT IN STOCK!
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    Diode, zener. 7.5V 1 watt. Case: axial leads. New. Note: Cross NTE138A. Learn More
  2. DII - MMBT4401-7-F - Transistor, NPN. 40V 600mA 300mW. SMD. New. .
    DII - MMBT4401-7-F - Transistor, NPN. 40V 600mA 300mW. SMD. New. .
    $0.10
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Transistor, NPN. Max voltage: 40V. Max current: 600mA. Dissipation: 300mW. Package: SOT-23-3 SMD. New. P/N: MMBT4401-7-F. Note: From manufactures new 7" reel. Learn More
  3. DII - BC847BS-7-F - Transistor, NPN. Dual 45V 100mA 200mW. SMD. New.
    DII - BC847BS-7-F - Transistor, NPN. Dual 45V 100mA 200mW. SMD. New.
    $0.10
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Transistor, NPN. Max voltage: 45V. Max current: 100mA. Dissipation: 200mW. Gain: SOT-363 MD. New. Package: BC847BS-7-F. Note: Dual. From manufactures new 7" reel. Learn More
  4. Rohm - DTC114TKA - Transistor, NPN. 50V 100mA 200mW. SMD. New.
    Rohm - DTC114TKA - Transistor, NPN. 50V 100mA 200mW. SMD. New.
    $0.10
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Transistor, NPN. Max voltage: 50V. Max current: 100mA. Dissipation: 200mW. Package: SC-59 SMD. New. P/N: DTC114TKA. Note: Epitaxial planar. 10K Ohm. From manufactures new 7" reel. Learn More
  5. On Semiconductor - FAIRCHILD - MOC3023M - IC, Optocoupler. Triac Driver Output.
    On Semiconductor - FAIRCHILD - MOC3023M - IC, Optocoupler. Triac Driver Output.
    Special Price $0.49 Regular Price $0.60 As low as $0.29
    IN STOCK - MORE THAN 5,000 READY TO SHIP!
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    On Semiconductor - FAIRCHILD - MOC3023M IC, Optocoupler.

    Triac driver output.

    Case/Package: DIP 6

    Forward Current: 60 mA

    Forward Voltage: 1.15 V

    Hold Current: 100 µA

    Input Current: 60 mA

    Isolation Voltage: 5.3 kV

    Max Input Current: 50 mA

    Max Input Voltage: 1.5 V

    Operating Temperature : -40 C to 85 °C

    Max Power Dissipation: 330 mW

    Nominal Input Voltage: 1.15 V

    Output Voltage: 400 V

    Reverse Breakdown Voltage: 3 V

    Turn-On Delay Time: 20 µs

    Dimensions: Height 3.5 mm, Length 7.3 mm, Width 6.5 mm

    Learn More
  6. SGS-Thompson - M652 7698 1570651 - Transistors, NPN. Darlington.
    SGS-Thompson - M652 7698 1570651 - Transistors, NPN. Darlington.
    $0.23
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    Transistors, NPN. Darlington. Case: TO-220/3 preformed leads. Learn More
  7. Motorola - MC34164P-005 - IC. Micropower Undervoltage Sensing Circuit, 5V.
    Motorola - MC34164P-005 - IC. Micropower Undervoltage Sensing Circuit, 5V.
    Special Price $0.39 Regular Price $0.50 As low as $0.19
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    Motorola - MC34164P-005 - IC. Micropower Undervoltage Sensing Circuit,

    Analog IC - Other Type: POWER SUPPLY SUPPORT CIRCUIT

    Number of Channels: 1

    Number of Functions      1

    Number of Terminals      3

    Operating Temperature: 0.0  C to 70.0

    Package Code: TO-226

    Package Shape: ROUND

    Supply Current-Max (Isup): 0.05 mA

    Supply Voltage-Nom (Vsup): 2.4 V

    Supply Voltage-Min (Vsup): 1.0 V

    Supply Voltage-Max (Vsup): 10.0 V

    Terminal Form: THROUGH-HOLE

    Package: 3-Pin TO-92/TO226AA.

    Genuine Motorola - New Old Stock

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  8. Vishay General Semiconductor - GI822 - Diode. 5 Amp 200V, Axial Leads.
    Vishay General Semiconductor - GI822 - Diode. 5 Amp 200V, Axial Leads.
    Special Price $0.59 Regular Price $0.75 As low as $0.39
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    Vishay General Semiconductor - GI822 Diode.

    Voltage: 200VRRM, 140VRMS.

    Current: 5 Amp.

    Operating Temperature: -50 to 150 Deg C.

    Material: plastic.

    Package: P600, Axial Leads.

    Note: Fast switching.

    Genuine Vintage Vishay General - New Old Stock

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  9. ONSEMI FAIRCHILD - NDS9948 - Transistor, P Channel FET, Dual. 8 SOIC SMD
    ONSEMI FAIRCHILD - NDS9948 - Transistor, P Channel FET, Dual. 8 SOIC SMD
    Special Price $0.69 Regular Price $0.75 As low as $0.49
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    ONSEMI FAIRCHILD - NDS9948 - Transistor, P Channel FET, Dual.

    Drain Source: -60V.

    Drain Current: -2.3Amp @ 25 Deg, 1.8Amp @ 70 Deg.

    Dissipation: Single operation: 1.6 watt.

    Dual Operation: 2 watt.

    Package: 8 SOIC SMD.

    From: Manufacture new T/R. P/N: NDS9948.

    Operating Temperature: -55 to 150 Deg C. 

    Note: Enhancement mode.

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  10. General Instruments - GI821 - Diode. 5 Amp 100V, axial.
    General Instruments - GI821 - Diode. 5 Amp 100V, axial.
    $0.50
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    Diode. Voltage: 100VRRM, 70VRMS. Current: 5 Amp. Operating temperature: -50 to 150 Deg C. Material: plastic. Package: P600, axial leads. Note: Fast switching. Learn More
  11. Unidentified MFG - 8-425 - Lamps & Lights. Panel indicator RED 3V on a 5" wire plus a 2.4mm male plug.
    Unidentified MFG - 8-425 - Lamps & Lights. Panel indicator RED 3V on a 5" wire plus a 2.4mm male plug.
    $0.50
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    Lamps & Lights. Panel indicator RED 3V on a 5" wire plus a 2.4mm male plug. New. Learn More
  12. Unidentified MFG - 4-335 - LED. 2.5V. Color: bright yellow.
    Unidentified MFG - 4-335 - LED. 2.5V. Color: bright yellow.
    $0.20
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    LED. 2.5V. Color: bright yellow. Package: SMD. Learn More
  13. Motorola - MR914 - 400V 3A Silicon diode rectifiers.
    Motorola - MR914 - 400V 3A Silicon diode rectifiers.
    $0.50
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    400V 3A Silicon diode rectifiers. V(RRM)(V) Rep.Pk.Rev. Voltage = 400,I(FSM) Max.(A) Pk.Fwd.Sur.Cur. = 100, I(O) Max.(A) Output Current = 3.0,Package = Axial-10. Learn More
  14. Motorola - 1N5344B - Diode, zener. 8.2V 5Watt 150mA.
    Motorola - 1N5344B - Diode, zener. 8.2V 5Watt 150mA.
    Special Price $0.39 Regular Price $0.50 As low as $0.29
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    Motorola - 1N5344B Diode, Zener.

    8.2V 5Watt 150mA.

    Tolerance 5%.

    DO-51

    Case: 17 plastic, Axial leads.

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  15. General Instruments - RG2J - Diode. 2Amp 600V.
    General Instruments - RG2J - Diode. 2Amp 600V.
    $0.25
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    Diode. 2Amp 600V. Fast recovery, 200ns. Package: DO-204AP axial leads. Learn More
  16. General Instruments - GI854 - Diode. 3Amp 400V, axial.
    General Instruments - GI854 - Diode. 3Amp 400V, axial.
    $0.50
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    Diode. Voltage: 400VRRM, 280VRMS. Current: 3 Amp. Operating temperature: -50 to 150 Deg C. Material: plastic. Package: DO-201AD, axial leads. Note: Fast switching. Learn More
  17. General Instruments - GI851 - Diode. 3 Amp 100V, axial.
    General Instruments - GI851 - Diode. 3 Amp 100V, axial.
    $0.40
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    Diode. Voltage: 100VRRM, 70VRMS. Current: 3 Amp. Operating temperature: -50 to 150 Deg C. Material: plastic. Package: DO-201AD, axial leads. Note: Fast switching. Learn More
  18. EIC - 1N5404 - Diode, 400V 3Amp. DO-20AD
    EIC - 1N5404 - Diode, 400V 3Amp. DO-20AD
    Special Price $0.69 Regular Price $0.75 As low as $0.39
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    EIC - 1N5404 Diode.

    High current capability, High surge current capability, High reliability, Low reverse current, Low forward voltage drop

    Peak Reverse Volatge: 400V

    Average Forward Current: 3Amp.

    Package: DO-20AD Axial Leads.

    Learn More
  19. Chicago Miniature Lab - CMD11-21VRC TR8 - LED. Red SMD.
    Chicago Miniature Lab - CMD11-21VRC TR8 - LED. Red SMD.
    $0.15
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    LED. 2V 20mA. Luminous intensity: 6mcd. Viewing angle: 20 Degree. Color: Red, clear lens. Narrow angle, high brightness. Dimensions: 3.0 x 1.5 x 1.5mm. Case: 1206 SMD. Operating temperature: -30 Degree C to +90 Degree C. RoHS compliant. From TR8. New. Learn More
  20. Central Semi - 1N5401 - Diode. 100V 3Amp. Package: axial leads.
    Central Semi - 1N5401 - Diode. 100V 3Amp. Package: axial leads.
    $0.75 As low as $0.59
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    Central Semi - 1N5401 - Diode. 100V 3Amp. Package: axial leads.

    The CENTRAL SEMICONDUCTOR 1N5400 series types are axial lead silicon power rectifiers designed for power supply and general purpose rectifier applications.

    Repetitive Reverse Voltage: 100V

    DC Blocking Voltage: 100V

    RMS reverse Voltage: 70

     

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  21. Bivar Inc - ELM4-5MM - LED holder. Extruded, 3.8mm D.
    Bivar Inc - ELM4-5MM - LED holder. Extruded, 3.8mm D.
    $0.29 As low as $0.04
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    Bivar Inc - ELM4-5MM LED Holder.

    For T1 lEDs.

    Extruded PVC.

    Mount 0.15"/3.8mm D with two groves, 0.194" / 4.9mm tall.

    Material: PVC, Black.

     

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  22. Unidentified MFG - PN3646 - Transistor, NPN. P/N: PN3646.
    Unidentified MFG - PN3646 - Transistor, NPN. P/N: PN3646.
    $0.25
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    Transistor, NPN. Max voltage: 15VCEO, 40VCBO. Max current: 300mA. Dissipation: 350mW. Package: TO-92 plastic. P/N: PN3646. Operating temperature: -55 to 150 Deg C. Note: Switching. Learn More
  23. Unidentified MFG - 2N5770 - Transistor, NPN. 15VCEO, 30VCBO, 50mA, TO-92
    Unidentified MFG - 2N5770 - Transistor, NPN. 15VCEO, 30VCBO, 50mA, TO-92
    $0.59 As low as $0.29
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    2N5770 Transistor, NPN.

    Max voltage: 15VCEO, 30VCBO.

    Max current: 50mA.

    Dissipation: 350mW.

    Package: TO-92.

    Operating temperature: -55 to 150 Deg C.

    Note: Silicon planar epitaxial.

    Alternates: ECG108, SK3452

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  24. Unidentified MFG - 2N5172 - Transistor, NPN. 25V, 500mA, TO-92
    Unidentified MFG - 2N5172 - Transistor, NPN. 25V, 500mA, TO-92
    $0.50 As low as $0.29
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    2N5172 Transistor, NPN.

    Max Voltage: 25V.

    Collector Current: 500mA.

    Dissipation: 625mW.

    Package: TO-92.

    Note: GP Amplifier.

    Operating temperature: -55 to 150 Deg C.

    Unmarked, red dot.

    Learn More
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