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. !@ 1 item
  2. Unmarked 77 items
  3. A 1 item
  4. Hitachi 4 items
  5. NEC Corporation 12 items
  6. ST Microelectronics 20 items
  7. Allen Bradley - AB 1 item
  8. Amperex 1 item
  9. Amelco/Teledyne 1 item
  10. Ampower 1 item
  11. ASIA 13 items
  12. ASI 2 items
  13. Boca Semiconductor Corp 2 items
  14. C 1 item
  15. Central Semi 1 item
  16. CEN 1 item
  17. CDEZ 2 items
  18. CDAQ 1 item
  19. CEI 1 item
  20. CDTF 1 item
  21. CLAIREX 1 item
  22. CIT 2 items
  23. CSI 2 items
  24. DELCO 3 items
  25. DELCO/GM 5 items
  26. DII 2 items
  27. EFE 1 item
  28. DM COLOR VISION 1 item
  29. FAIRCHILD 46 items
  30. ETCO 4 items
  31. F 2 items
  32. Fairchild semiconductor corportion 1 item
  33. Everlight 1 item
  34. Fairchild Semiconductor. 1 item
  35. FUJITSU 1 item
  36. General Electric 34 items
  37. GE/NAT 1 item
  38. GE/RCA 4 items
  39. FEC 1 item
  40. FSC 1 item
  41. FRD 2 items
  42. GE 1 item
  43. GM/DELCO 4 items
  44. Harris Corp 16 items
  45. GTC INC 1 item
  46. HIT/RCA 1 item
  47. ID 2 items
  48. INFINEON 1 item
  49. INTERSIL 1 item
  50. IR 2 items
  51. ITT+ROHM 1 item
  52. KEC 1 item
  53. KSC 2 items
  54. Lambda 8 items
  55. KRC 1 item
  56. Linear Integrated Systems 1 item
  57. MAJOR 10 items
  58. National Semiconductor Corp 10 items
  59. Matsushita 8 items
  60. MICRO POWER 1 item
  61. MISC 2 items
  62. Mitsubishi 3 items
  63. MOT/TI 1 item
  64. MIX 1 item
  65. Motorola 272 items
  66. Motorola Inc 3 items
  67. Texas Instruments 39 items
  68. NAT 4 items
  69. NATIONAL SEMICONDUCTOR CORP. 33 items
  70. NATIONAL SEMI CONDUCTOR 1 item
  71. NAT/FAIR 1 item
  72. NJS 2 items
  73. NSE 1 item
  74. NTE Electronics Inc. 131 items
  75. Philips 63 items
  76. NTE Electronics Inc 23 items
  77. NXP Semiconductors 1 item
  78. O 1 item
  79. Optek 1 item
  80. ON SEMI 7 items
  81. On Semi/Motorola 1 item
  82. ON SEMICONDUCTOR 1 item
  83. Philco 2 items
  84. Panasonic/Matsushita 2 items
  85. Panasonic 1 item
  86. PECOR 1 item
  87. Sylvania 5 items
  88. Powerex. 1 item
  89. RAYTHEON. 8 items
  90. RAYTHEON 1 item
  91. R 1 item
  92. RAY/CRP 1 item
  93. PTC 1 item
  94. RCA 99 items
  95. Samsung 1 item
  96. S 3 items
  97. ROHM 8 items
  98. RCA/SIG 1 item
  99. RCA/STC 1 item
  100. RCA/MOT 1 item
  101. SES 2 items
  102. Sanyo 8 items
  103. SGS-THOMPSON 4 items
  104. Sanken 6 items
  105. SENSITRON 1 item
  106. SCA 2 items
  107. Semiconductor Technology Inc 5 items
  108. SCI 1 item
  109. Shindengen America 1 item
  110. SGS 2 items
  111. SHINDENGEN? 1 item
  112. SGS THOMPSON 2 items
  113. Siemens 3 items
  114. Siliconix 1 item
  115. Silicon General/Microsemi 3 items
  116. SK 2 items
  117. SILICON GEN 4 items
  118. SK SERIES 2 items
  119. ST 1 item
  120. Solitron 12 items
  121. SPC 2 items
  122. Sprague 4 items
  123. SSI 1 item
  124. SPC/CDEZ 2 items
  125. Solid State Devices Inc 5 items
  126. STS 1 item
  127. STC 5 items
  128. SUMITOMO 1 item
  129. STT 1 item
  130. STC/CCSX 1 item
  131. STL 1 item
  132. SYNERTEK 9 items
  133. Teledyne 4 items
  134. Tektronix 5 items
  135. T 1 item
  136. T/CCAB 1 item
  137. Teccor 1 item
  138. Toshiba 17 items
  139. TFK 1 item
  140. THOMSON CSF 1 item
  141. THOMPSON 1 item
  142. TYCO/ M/A-COM 1 item
  143. Unitrode 7 items
  144. TRW 3 items
  145. TSR 1 item
  146. TRANSITRON ELECTRONIC CORP 1 item
  147. Westinghouse 15 items
  148. Zetex 4 items
  149. WW. 1 item
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  1. RCA - 2N5496 - Transistor, NPN. P/N: 2N5496.
    Special Price $2.19 Regular Price $2.50 As low as $1.49

    RCA - 2N5496 Transistor, NPN.

    Max Voltage: 70V.

    Max Current: 1Amp.

    Dissipation: 50 watt.

    Gain: 0.8MHz.

    Package: TO-220.

    Genuine Vintage RCA - New Old Stock

    Learn More
  2. Motorola - 2N2895 - Transistor, NPN., 65V, 150 mA, 500mW, TO-18
    Special Price $2.69 Regular Price $2.95 As low as $1.49

    Motorola - 2N2895 - Transistor, NPN.

    Status: Discontinued

    Max Voltage: 65VCEO, 120VCBO.

    Max current: 150mA.

    Dissipation: 500mW.

    Package: TO-18 Metal, Hermetically Sealed.

    Factory new. 

    Note: Bipolar.

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  3. HITACHI - 2SC1942 - Transistor, NPN. Triple Diffused High Voltage Switching Transistor, TO-3
    Special Price $7.98 Regular Price $12.50 As low as $6.98
    READY TO SHIP - ONLY 93 LEFT IN STOCK!

    HITACHI - 2SC1942 Transistor, NPN.

    Voltage: 800VCEO, 1500VCBO.

    Current: 3 Amp.

    Dissipation: 50 watt.

    Operating temperature: -45 to 150 Deg C.

    Package: Hermetically Sealed Heavy TO-3 steel.

    Note: High power switching TV horizontal deflection output.

    Silicon triple diffused. High Voltage.

    Learn More
  4. 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!

    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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  5. TFK - BU536 - Transistor, NPN. P/N: BU536.
    Special Price $3.56 Regular Price $4.75
    Transistor, NPN. Max voltage: 480VCEO, 1100VCES. Max current: 8 Amp. Dissipation: 62 watt. Package: TO-3. P/N: BU536. Storage temperature: -65 to 150 Deg C. Application: Switching mode power supply. Note: Silicon. Learn More
  6. Synertek - DTS401 - Transistor, NPN. 300V, 2Amp, TO-3 Steel.
    Special Price $14.98 Regular Price $18.95 As low as $12.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Synertek - DTS401 Transistor, NPN. Vertical Deflection Transistor.

    Status: Discontinued

    Type: BJT

    Max voltage: 300V.

    Max current: 2Amp.

    Dissipation: 75 watt.

    Operating Temperature: 0 to 140 C

    Gain: 5MHz.

    Package: TO-3 Steel.

    Genuine Synertek Vintage DTS401 - New Old Stock.

    Note: Silicon. Vertical deflection transistor.

    Learn More
  7. SGS-Thompson - M652 7698 1570651 - Transistors, NPN. Darlington.
    $0.23
    Transistors, NPN. Darlington. Case: TO-220/3 preformed leads. Learn More
  8. SANYO - 2SC3038 - Transistor, NPN. P/N: 2SC3038.
    Special Price $2.98 Regular Price $3.50 As low as $1.49

    SANYO - 2SC3038 -  Transistor, NPN.

    Max Voltage: 400VCEO, 500VCBO.

    Max Current: 4 Amp.

    Dissipation: 40 watt.

    Package: TO-220.

    Application: For Switching Regulators.

    Note: Silicon, Triple Ddiffused Planar.

    Genuine Vintage Sanyo - New Old Stock - Rare

    Alternate: NTE51, SK9452

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  9. RCA - 2N6546 - Transistor, NPN. P/N: 2N6546.
    $10.00
    Transistor, NPN. Max voltage: 300VCEO, 600VCEX. Max current: 15 Amp. Dissipation: 175 watt. Package: TO-3 (TO-204AA) steel. P/N: 2N6546. Operating temperature: -65 to 200 Deg C. Note: Silicon. High Voltage. Learn More
  10. RCA - 2N3235 HOUSE - HOUSE#61998 TO-3 STEEL NPN 117W modified
    Special Price $2.96 Regular Price $3.95
    HOUSE#61998 TO-3 STEEL NPN 117W modified with crimped leads on bottom two terminals - won't plug into socket, must be soldered to Learn More
  11. Raytheon - 2N2270 - Transistor. Silicon NPN.
    $3.95
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
    Transistor. Silicon NPN. 5W 1A 60V. High speed planar power transistor. TO-5 long gold leads. Learn More
  12. Motorola - MJ13333 - Transistor, NPN. 400 V, 175 W, 20 A, TO-3 Steel, Used/As Removed
    Special Price $5.98 Regular Price $9.50 As low as $4.98
    READY TO SHIP - ONLY 20 LEFT IN STOCK!

    Motorola - MJ13333 - Transistor, NPN

    The MJ13333 transistor is designed for high voltage, high–speed, power switching in inductive circuits where fall time is critical. It is particularly suited for line operated switchmode applications such as; Switching Regulators, Inverters, Solenoid and Relay Drivers, Motor Controls, and Deflection Circuits.

    Type Designator: MJ13333, Material: Si Switchmode, Polarity: NPN

    Maximum Collector Power Dissipation (Pc): 175 W

    Maximum Collector-Base Voltage |Vcb|: 700 V

    Maximum Collector-Emitter Voltage |Vce|: 400 V

    Maximum Emitter-Base Voltage |Veb|: 6 V

    Maximum Collector Current |Ic max|: 20 A

    Max. Operating Junction Temperature (Tj): -65 C to 200 °C

    Collector Capacitance (Cc): 500 pF

    Package: TO-3 Steel

    Used/As Removed From Equipment

    Difficult to find Vintage Genuine Motorola Power Transistor.  

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  13. Motorola - 2N6547 - Transistor, NPN. P/N: 2N6547.
    $13.00
    Transistor, NPN. Max voltage: 400VCEO, 450VCEX, 850VCEV. Max current: 15 Amp. Dissipation: 175 watt. Package: TO-3 (TO-204AA) steel. P/N: 2N6547. Operating temperature: -65 to 200 Deg C. Note: Silicon, switchmode series. High Voltage. Learn More
  14. Motorola - JAN2N3442 - Transistor, NPN. BJT, 140V, 10A, TO-3
    Special Price $9.98 Regular Price $12.50 As low as $5.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Motorola - JAN2N3442 Transistor, NPN.

    Max voltage: 140VCEO, 160VCBO.

    Max current: 10 Amp.

    Dissipation: 117 watt.

    Package: TO-3.

    Operating temperature: -65 to 200 Deg C.

    Note: Silicon.

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  15. Linear Integrated Systems - LS313 - Transistor, NPN Dual. Very High Gain >200, TO-78 Gold Leads (TO-99-6).
    Special Price $36.98 Regular Price $48.00 As low as $32.98

    Linear Integrated Systems - LS313 Transistor, NPN Dual.

    Max voltage: 45V.

    Max current: 10ma.

    Dissipation: 250mW each.

    Package: TO-78 Gold Leads (TO-99-6).

    Very High Gain >200. Operating junction temperature 150 Deg C.

    NSN: 5961-01-317-1936

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  16. General Electric - D44R2 - Transistor, NPN. Package of 10.
    Special Price $3.99 Regular Price $4.90

    General Electric - D44R2 - 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

    Collector Capacitance (Cc): 50 pF

    Forward Current Transfer Ratio (hFE), MIN: 75

    Noise Figure, dB: -

    Package: TO-220 Red power tab, Pkg.229, gold leads. 

    Package of 10.

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  17. Fairchild - 2N3011 - Transistor, NPN. 12V, 200 mA 360mW, TO-18 Gold Leads
    Special Price $2.98 Regular Price $5.00 As low as $1.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    Fairchild - 2N3011 Transistor, NPN.

    Ultra High Spped Logic Switch

    Max voltage: 12V.

    Max current: 0.2Amp.

    Dissipation: 360mW.

    Package: TO-18 hermetically sealed. Gold Leads

    Note: Bipolar. Cross NTE123A.

    NSN: 5961-00-075-8063 

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  18. Unidentified MFG - 2N3055 HOUSE - Transistor, NPN. House # 71472D.
    Special Price $1.98 Regular Price $2.98 As low as $0.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Transistor, NPN silicon. House numbered 71472D.

    The 2N3055 is a silicon NPN Power Transistor intended for general purpose applications. It was introduced in the early 1960s using a hometaxial power transistor process, transitioned to an epitaxial base in the mid-1970s. 

    2N3055 is also used in audio power amplifiers. The device has good amplifying factor and also the gain is almost linear making 2N3055 one of best solution for power amplifiers. BULK, HOUSE BRANDS.

    • Medium power transistor
    • Excellent safe operating area
    • Complementary NPN - PNP transistors
    • Low collector-emitter saturation voltage
    • Pb−free packages are available
    • DC current gain (hFE) up to 70
    • With hfe improved linearity
    • Maximum voltage across collector and emitter: 60V DC
    • Maximum current allowed trough collector: 15A DC
    • Maximum voltage across base and emitter: 7V DC
    • Maximum current allowed through base: 7A DC
    • Maximum voltage across collector and base: 100V DC
    • Operating temperature range: -65ºC to +200ºC
    • Total power dissipation: 115W

    Equivalents: 2N6673, 2N6675, Complimentary Pair - MJ2955

    Learn More
  19. Unidentified MFG - 2N2923 - Transistor, NPN. P/N: 2N2923. Package of 10.
    $2.99
    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
  20. Texas Instruments - TIP50 - Transistor, NPN. P/N: TIP50.
    Special Price $0.79 Regular Price $1.00
    Transistor, NPN. Max voltage: 400VCEO, 500VCBO. Max current: 1Amp. Dissipation: 40 watt. Package: TO-220. P/N: TIP50. Note: Silicon. High Voltage. Learn More
  21. Texas Instruments - TIP33 - Transistor, NPN. P/N: TIP33.
    Special Price $1.50 Regular Price $2.00
    Transistor, NPN. Max voltage: 40VCEO, 80VCBO. Max current: 10 Amp. Dissipation: 80 watt, 3.5 watt free air. Gain: 3MHz. Package: SOT-93. P/N: TIP33. Note: Silicon. Operating/storage temperature: -65 to 150 Deg C. Learn More
  22. STC - 25-2PC - NPN 10Amp 100V Darlington Transistor
    Special Price $4.50 Regular Price $6.00
    NPN 10Amp 100V Darlington Transistor New TO-3 steel. Learn More
  23. SOLITRON - KS21445L2 - Transistor, NPN. 401430350.
    Special Price $4.46 Regular Price $5.95
    Transistor, NPN. Package: TO-3 steel. New. Note: Marked KS-21445L2. ALT: Western Electric/Bell Telephone 401430350. Learn More
  24. RCA - RCA1B01 - Transistor, NPN. House No RCA1B01. 70Watt Audio Amplifier
    Special Price $2.98 Regular Price $3.50 As low as $2.49
    IN STOCK - MORE THAN 100 READY TO SHIP!

    RCA - RCA1B01 Transistor, NPN. 70 W Audio Amplifier

    Type Designator: RCA1B01

    Material of Transistor: Si

    Polarity: NPN

    Maximum Collector Power Dissipation (Pc): 115 W

    Maximum Collector-Base Voltage |Vcb|: 95 V

    Maximum Emitter-Base Voltage |Veb|: 7 V

    Maximum Collector Current |Ic max|: 15 A

    Max. Operating Junction Temperature (Tj): 200 °C

    Transition Frequency (ft): 0.8 MHz

    Forward Current Transfer Ratio (hFE), MIN: 20

    Noise Figure, dB: -

    Package: TO3

    Max voltage: 140VCEO. 160VCBO.

    Max current: 16Amp.

    Package: TO-3 steel.

    Note: House No. RCA1B01.

    Alternates: ECG284, SK3836, 40636

    Learn More
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