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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 5 items
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  11. Ampex 1 item
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  14. ASI 3 items
  15. Bendix 4 items
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  36. EFE 1 item
  37. EDI 1 item
  38. DM COLOR VISION 1 item
  39. FAIRCHILD 66 items
  40. ETCO 11 items
  41. ETC INC 1 item
  42. F 3 items
  43. ESE 1 item
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  47. Fairchild Semiconductor. 2 items
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  50. GE/NAT 1 item
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  53. G 6 items
  54. FEC 1 item
  55. FSC 2 items
  56. FRD 2 items
  57. GE 1 item
  58. General Instruments 1 item
  59. GM/DELCO 7 items
  60. General Semiconductor 1 item
  61. Harris Corp 26 items
  62. GTC INC 2 items
  63. GPD 1 item
  64. Hewlett Packard 1 item
  65. HOLLAND 1 item
  66. HIT/RCA 1 item
  67. HE 1 item
  68. ID 4 items
  69. INFINEON 1 item
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  71. IR 2 items
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  73. ITT+ROHM 1 item
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  75. KSC 2 items
  76. Lambda 11 items
  77. KRC 1 item
  78. KS 1 item
  79. Linear Integrated Systems 1 item
  80. MAJOR 15 items
  81. LPT 1 item
  82. LTE 2 items
  83. National Semiconductor Corp 15 items
  84. Mallory Capacitor Co 1 item
  85. Matsushita 16 items
  86. Micropower 1 item
  87. MICRO POWER 1 item
  88. MISC 2 items
  89. Mitsubishi 3 items
  90. MOT/TI 1 item
  91. MIX 1 item
  92. Motorola 527 items
  93. MOT 1 item
  94. Motorola Inc 3 items
  95. Texas Instruments 71 items
  96. NAT 6 items
  97. NATIONAL SEMICONDUCTOR CORP. 50 items
  98. NATIONAL SEMI CONDUCTOR 1 item
  99. NAT/FAIR 1 item
  100. NES 1 item
  101. NJS 4 items
  102. NSE 1 item
  103. NTE Electronics Inc. 190 items
  104. Philips 96 items
  105. NTE Electronics Inc 27 items
  106. NXP Semiconductors 1 item
  107. O 1 item
  108. Optek 1 item
  109. ON SEMI 8 items
  110. On Semi/Motorola 1 item
  111. ON SEMICONDUCTOR 2 items
  112. Philco 7 items
  113. Panasonic/Matsushita 2 items
  114. Panasonic 1 item
  115. PECOR 1 item
  116. Sylvania 9 items
  117. Powerex. 1 item
  118. RAYTHEON. 13 items
  119. RAYTHEON 3 items
  120. R 1 item
  121. RAY/CRP 2 items
  122. PTC 1 item
  123. RCA 143 items
  124. Samsung 2 items
  125. S 6 items
  126. ROHM 21 items
  127. RCA/SIG 1 item
  128. RP 1 item
  129. RCA/STC 1 item
  130. RCA/MOT 1 item
  131. SES 5 items
  132. Sanyo 11 items
  133. SGS-THOMPSON 4 items
  134. Sanken 9 items
  135. SCS 1 item
  136. SENSITRON 1 item
  137. SCA 3 items
  138. Semiconductor Technology Inc 7 items
  139. SCI 3 items
  140. SEMI TECH 1 item
  141. Shindengen America 1 item
  142. SGS 5 items
  143. SHINDENGEN? 1 item
  144. SEM 1 item
  145. SGS THOMPSON 2 items
  146. SGS THOMP 1 item
  147. SIG 1 item
  148. Siemens 3 items
  149. Siliconix 7 items
  150. Silicon General/Microsemi 4 items
  151. SK 3 items
  152. SILICON GEN 5 items
  153. SK SERIES 4 items
  154. ST 2 items
  155. Sony 1 item
  156. Solitron 15 items
  157. SPC 2 items
  158. Sprague 7 items
  159. SSI 1 item
  160. SPC/CDEZ 2 items
  161. Solid State Devices Inc 6 items
  162. SPI 1 item
  163. STS 1 item
  164. STC 8 items
  165. SUMITOMO 2 items
  166. STT 1 item
  167. STC/CCSX 1 item
  168. STL 1 item
  169. SYNERTEK 9 items
  170. Teledyne 4 items
  171. Tektronix 6 items
  172. T 2 items
  173. T/CCAB 1 item
  174. Teccor 2 items
  175. SYNERTEC 2 items
  176. Tenna 2 items
  177. TCG 1 item
  178. Toshiba 25 items
  179. TFK 1 item
  180. THOMSON CSF 1 item
  181. TI/ST 1 item
  182. Transistor Electronics Corp 1 item
  183. THOMPSON 1 item
  184. TYCO/ M/A-COM 1 item
  185. Unitrode 8 items
  186. TRW 3 items
  187. TUNG-SOL 1 item
  188. TS 1 item
  189. TSR 1 item
  190. TRANSITRON ELECTRONIC CORP 1 item
  191. UPI 1 item
  192. UST 1 item
  193. Western Electric 1 item
  194. Westinghouse 16 items
  195. Zeltex 1 item
  196. Zetex 9 items
  197. WT 1 item
  198. WW. 1 item
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  1. Each 545 items
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Items 97-120 of 2014

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  1. Vestal Electronic Devices Inc. - PN2907A - Transistor, PNP. small Signal Transistor, 625mA, 60v TO-92. Package of 10.
    Vestal Electronic Devices Inc. - PN2907A - Transistor, PNP. small Signal Transistor, 625mA, 60v TO-92. Package of 10.
    Special Price $2.98 Regular Price $5.00 As low as $2.49
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    Vestal Electronic Devices Inc. - PN2907A Transistor, PNP.

    Voltage: -40VCEO, 60VCBO.

    Current: -0.8Amp.

    Dissipation: 625mW.

    Operating Temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon planar epitaxial.

    Small Signal Transitor.

    New Old Stock

    Package of 10.

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  2. National Semiconductor Corp - MPSA42 - Transistor, NPN. Small Signal Transistor, High Voltage
    National Semiconductor Corp - MPSA42 - Transistor, NPN. Small Signal Transistor, High Voltage
    $0.49 As low as $0.29
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    National Semiconductor Corp - MPSA42 Transistor, NPN.

    Voltage: 300V.

    Current: 500mAdc.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon darlington.

    High Voltage.

    Alternates: ECG ECG287, NTE MPSA42, 722934, NTE287, ZTX457

    NSN 5961-01-304-8817

    Learn More
  3. NEC Corporation - 2SD205 - Transistor, NPN. 40VCEO, 60VCBO, Vintage TO-39 in a heat sink.
    NEC Corporation - 2SD205 - Transistor, NPN. 40VCEO, 60VCBO, Vintage TO-39 in a heat sink.
    Special Price $4.98 Regular Price $8.50 As low as $3.98
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    NEC Corporation - 2SD205 Transistor, NPN.

    Status: Discontinued - Rare

    Voltage: 40VCEO, 60VCBO.

    Current: 700mA.

    Dissipation: 1 Watt.

    Package: TO-39 in a heatsink.

    Note: Silicon.

    Genuine Vintage NEC 2SD205 - New Old Stock

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  4. NEC Corporation - 2SD143 - Transistor, NPN. 40V, 2A, TO-66
    NEC Corporation - 2SD143 - Transistor, NPN. 40V, 2A, TO-66
    Special Price $14.98 Regular Price $16.50 As low as $12.98
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    NEC Corporation - 2SD143 Transistor, NPN.

    Voltage: 40VCEO, 80VCBO.

    Current: 2 Amp.

    Dissipation: 15 watt.

    Package: TO-66.

    Note: NPN silicon planar power transistor intended as AF Amplifier / Switch.

    Genuine Vintage NEC - New Old Stock - Difficult Transistor to Find

    Similar/ Alternate:  2N3054, 2SD148

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  5. National Semiconductor Corp - PN4250 - Transistor, PNP. P/N: PN4250.
    National Semiconductor Corp - PN4250 - Transistor, PNP. P/N: PN4250.
    Special Price $0.94 Regular Price $1.25
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    Transistor, PNP. Max voltage: 40V. Max current: 100mA. Dissipation: 200mW. Package: TO-92 plastic. P/N: PN4250. Operating temperature: -55 to 150 Deg C. Application: Amplifier. Note: Silicon. Learn More
  6. NEC Corporation - 2SD142 - Transistor, NPN. 3A, 15W, TO-66.
    NEC Corporation - 2SD142 - Transistor, NPN. 3A, 15W, TO-66.
    Special Price $4.98 Regular Price $5.95 As low as $3.98
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    NEC Corporation - 2SD142 - Transistor, NPN.

    Voltage: 20VCEO, 40VCBO.

    Current: 3 Amp.

    Dissipation: 15 watt.

    Package: TO-66.

    Note: Silicon.

    Alternate: D44C2

    Genuine NEC - New Old Stock

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  7. National Semiconductor Corp - MPSA42RA - Transistor, NPN. 300V, 500Ma, TO-92.
    National Semiconductor Corp - MPSA42RA - Transistor, NPN. 300V, 500Ma, TO-92.
    $0.49 As low as $0.29
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    National Semiconductor Corp - MPSA42RA Transistor, NPN.

    Voltage: 300V.

    Current: 500mAdc.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon darlington.

    High Voltage.

    Alternates: NTE287, ZTX457

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  8. National Semiconductor Corp - 2N2905 - Transistor, PNP. 60V, 600mA, TO-39, Gold Leads.
    National Semiconductor Corp - 2N2905 - Transistor, PNP. 60V, 600mA, TO-39, Gold Leads.
    Special Price $0.89 Regular Price $1.00 As low as $0.49
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    National Semiconductor Corp - 2N2905 Transistor, PNP.

    Max voltage: 60V.

    Max current: 600mA.

    Dissipation: 600mW.

    Package: TO-39.

    Operating temperature: -65 to 200 Deg C.

    Note: Silicon bipolar.

    Fast switching: 345ns.

    Alternate: NTE129

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  9. National Semiconductor Corp - 1853-0058 - Transistor, PNP. P/N: 1853-0058 / 2N3644.
    National Semiconductor Corp - 1853-0058 - Transistor, PNP. P/N: 1853-0058 / 2N3644.
    $0.98
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    National Semiconductor Corp - 1853-0058 Transistor, PNP.

    Voltage: 45V.

    Current: 500mAdc.

    Dissipation: 300mW.

    Operating temperature: to 125 Deg C.

    Package: TO-92, plastic.

    Note: Silicon.

    Military NSN 5961-001033981.

    Manufactured by National Semiconductor for Hewlett Packard.

    Alternates: 2N3644 or PN3644.

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  10. National Semiconductor Corp - 2N3906 House# - Transistor, PNP. Package of 10.
    National Semiconductor Corp - 2N3906 House# - Transistor, PNP. Package of 10.
    Special Price $1.98 Regular Price $2.50 As low as $0.98
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    National Semiconductor Corp - 2N3906 House# 007-5185 Transistor, PNP.

    Voltage: 40V.

    Current: 200mA.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92.

    Note: House numbered. 007-5185.

    Package of 10.

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  11. National Semiconductor Corp - 2N5308A - Transistor, NPN. Darlington 40V, 1.2A, TO-92
    National Semiconductor Corp - 2N5308A - Transistor, NPN. Darlington 40V, 1.2A, TO-92
    $0.98 As low as $0.29
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    National Semiconductor Corp - 2N5308A Transistor, NPN, Darlington.

    Max Voltage: 40V.

    Max Current: 0.3 Amp.

    Dissipation: 625mW.

    Package: TO-92 plastic.

    Operating temperature: -50 to 150 Deg C.

    Note: Darlington.

    New Old Stock

    Alternates: SK9455A, GE2N5308A,B ECG:172A

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  12. National Semiconductor Corp - 2N4401 - Transistor, NPN. P/N: 2N4401. Package of 25.
    National Semiconductor Corp - 2N4401 - Transistor, NPN. P/N: 2N4401. Package of 25.
    Special Price $6.98 Regular Price $8.50
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    National Semiconductor Corp - 2N4401 Transistor, NPN.

    Voltage: 40VCEO, 60VCBO.

    Current: 600mAdc.

    Dissipation: 200mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Maybe replaced with equal manufactured by General Electric.

    Package of 25.

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  13. Motorola - TIP125 - Transistor, PNP Darlington. 60V, 5A, TO-220, New - Cut Leads
    Motorola - TIP125 - Transistor, PNP Darlington. 60V, 5A, TO-220, New - Cut Leads
    Special Price $0.49 Regular Price $0.60 As low as $0.29
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    Motorola - TIP125 - Transistor, PNP Darlington.

    Max voltage: 60V.

    Max current: 5Amp.

    Package: TO-220

    Note: Operating Temperature: -65 to 150 Deg C. 

    Note: New Cut Leads.

    Application: General Purpose Amplifier and Low Speed Switching Spplications.

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  14. Motorola - MPSU51A - Transistor, PNP. MPSU51A. Package of 2. Used.
    Motorola - MPSU51A - Transistor, PNP. MPSU51A. Package of 2. Used.
    Special Price $3.98 Regular Price $8.50
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    Motorola - MPSU51A Transistor, PNP.

    Voltage: 40VCEO, 50VCBO.

    Current: 2Amp.

    Dissipation: 1 watt.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-202,

    Note: Used soldered leads, short.

    Package of 2.

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  15. Motorola - MPS8098 - Transistor, NPN. P/N: MPS8098. Package of 10.
    Motorola - MPS8098 - Transistor, NPN. P/N: MPS8098. Package of 10.
    Special Price $3.98 Regular Price $5.00
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    Motorola - MPS8098 Transistor, NPN.

    Max voltage: 60V.

    Max current: 500mAdc.

    Dissipation: 625mW.

    Package: TO-92, plastic.

    Note: Power switching transistors.

    Package of 10.

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  16. Motorola - MPS6533 - Transistor, PNP.
    Motorola - MPS6533 - Transistor, PNP.
    Special Price $0.98 Regular Price $1.50 As low as $0.79
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    Motorola - MPS6533 Transistor, PNP. General Purpose Amplifier

    Status: Discontinued

    Voltage: 40V.

    Current: 600mAdc.

    Dissipation: 500mW.

    Operating Temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon.

    Genuine Motorol - Rare becoming a difficult transistor to find.

    Note: Always confirm specification requirement when considering substitutes.

    NSN: 5961-00-443-4494

    Alternates/Substitutes/Croos: BC327, BC636, BC638, 2SB910, 2N3642, 2N3638, 2SA708, BC527, BC528, KSA708, PN2904, PN2904A, PN2906, PN2906A or ZTX552.

     

     

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  17. Motorola - MPS3694 - Transistor, NPN. Small Signal Bipolar, Gold Leads, Test Dotted.
    Motorola - MPS3694 - Transistor, NPN. Small Signal Bipolar, Gold Leads, Test Dotted.
    Special Price $0.69 Regular Price $0.85 As low as $0.39
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    Motorola - MPS3694 - Transistor, NPN, Small Signal Bipolar.

    Voltage: 45V.

    Current: 50mAdc.

    Dissipation: 350mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, Plastic, Gold Leads, Blue Test Dots.

    Note: Silicon.

    Learn More
  18. Motorola - MPS3646 - Transistor, NPN. 0.625mW, 350Mhz, TO-92
    Motorola - MPS3646 - Transistor, NPN. 0.625mW, 350Mhz, TO-92
    Special Price $1.49 Regular Price $2.00 As low as $0.39
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    Motorola - MPS3646 - Transistor, NPN.

    Small Signal Bi-polar

    Voltage: 15CVEO, 45VCBO.

    Current: 300mAdc.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    alternate: ECG216

    Genuine Motorola - New Old Stock 

    List of Cross Reference Transistors Attached

    Note: Silicon.

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  19. Motorola - MPS3392 - Transistor, NPN. Amplifier/Switch 100mA 25V 3-Pin TO-92 Through Hole Box
    Motorola - MPS3392 - Transistor, NPN. Amplifier/Switch 100mA 25V 3-Pin TO-92 Through Hole Box
    $0.50 As low as $0.29
    READY TO SHIP - ONLY 56 LEFT IN STOCK!
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    Motorola - MPS3392 Transistor, NPN.

    Voltage: 25V.

    Current: 100mAdc.

    Dissipation: 350mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon.

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  20. Motorola - MPSA13 - Transistor, NPN. 30V 500mA. Page of 20
    Motorola - MPSA13 - Transistor, NPN. 30V 500mA. Page of 20
    Special Price $3.98 Regular Price $6.00 As low as $2.98
    IN STOCK - MORE THAN 500 READY TO SHIP!
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    Motorola - MPSA13 Transistor, NPN Darlington.

    30V 500mA 625mW.

    Case: TO-92 (TO-226AA).

    Package of 20.

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  21. Motorola - MPS6521 - Transistor, NPN. Small Signal Bipolar Transistor, 0.1A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-226AA
    Motorola - MPS6521 - Transistor, NPN. Small Signal Bipolar Transistor, 0.1A I(C), 25V V(BR)CEO, 1-Element, NPN, Silicon, TO-226AA
    Special Price $0.29 Regular Price $0.39 As low as $0.15
    READY TO SHIP - ONLY 12 LEFT IN STOCK!
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    Motorola - MPS6521 Transistor, NPN.

    Voltage: 25VCEO, 40VCBO.

    Current: 100mAdc.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon.

    Learn More
  22. Motorola - MJE16004 - Transistor, NPN. P/N: MJE16004.
    Motorola - MJE16004 - Transistor, NPN. P/N: MJE16004.
    $9.99
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    Transistor, NPN. Max voltage: 450V. Max current: 5Amp. Dissipation: 80 watt. Package: TO-220. P/N: MJE16004. High voltage. Learn More
  23. Motorola - MPSA56 - Transistor, 80V, 500mADC, TO-92
    Motorola - MPSA56 - Transistor, 80V, 500mADC, TO-92
    Special Price $0.69 Regular Price $0.95 As low as $0.39
    IN STOCK - MORE THAN 500 READY TO SHIP!
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    Motorola - MPSA56 Transistor, PNP.

    Status: Discontinued

    Voltage: 80V.

    Current: 500mADC.

    Dissipation: 625mW.

    Operating temperature: -55 to 150 Deg C.

    Package: TO-92, plastic.

    Note: Silicon.

    Voltage and current are negative for PNP transistors.

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  24. Motorola - MRF627 - Transistors, RF. NPN silicon.
    Motorola - MRF627 - Transistors, RF. NPN silicon.
    Special Price $26.98 Regular Price $35.00
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    Motorola - MRF627 - Transistors, RF.

    Collector-base Capacitance-Max: 3.5 pF

    Collector Current-Max (IC): 0.15 A

    Collector-emitter Voltage-Max: 20.0 V

    NPN Silicon Power.

    Package style .205 4L PILL.

    Learn More
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Items 97-120 of 2014

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