Product Search

    Industrial Semiconductor Components

    Power critical electronics with durable diodes, IGBTs, and transistors, designed for robust and efficient performance in demanding industrial applications.

    Power up your electronic systems with our comprehensive range of high-quality semiconductors. Our comprehensive selection features diodes, IGBT modules, transistors, IGBTs, and various thyristors, including SCRs, triacs, diacs, and alternistors, suitable for diverse industrial applications. Whether you're designing power control systems, upgrading industrial equipment, or maintaining electronic devices, our semiconductors deliver the precision and durability you need for optimal performance and efficiency. Shop now for high-performance semiconductor components and modules.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 1-50 of 889.
    ASEA BROWN BOVERI 3FE10012031

    ASEA BROWN BOVERI

    3FE10012031

    THYRISTOR MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As $930.00
    $930.00
    BANNER ENGINEERING QH236E

    BANNER ENGINEERING

    QH236E

    OBSOLETE (48807) Q23 SERIES: EMITTER, RANGE: 8 M, INPUT: 10-30V DC, OUTPUT: NOT APPLICABLE - NO OUTPUTS, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $86.61
    $86.61
    CENTRAL SEMICONDUCTOR MPQ3904 PBFREE

    CENTRAL SEMICONDUCTOR

    MPQ3904 PBFREE

    SMALL SIGNAL BIPOLAR TRANSISTOR, 0.2A I(C), 40V V(BR)CEO, 4-ELEMENT, NPN, SILICON, DIP-14
    ✓ IN STOCK!
    $12.36 Buy Surplus As Low As $7.20
    $7.20
    SANREX CVM75BB160

    SANREX

    CVM75BB160

    DISCONTINUED BY MANUFACTURER, SCR CONVERTER 75A 1600V 3 PHASE
    ✓ IN STOCK!
    $303.34 Buy Surplus As Low As $182.00
    $182.00
    SANREX DF40AA160

    SANREX

    DF40AA160

    BRIDGE RECITIFIER, 40 AMP, 1600V, 3 PHASE
    ✓ IN STOCK!
    $169.00 Buy Surplus As Low As $64.52
    $64.52
    FANUC A50L-0001-0175

    FANUC

    A50L-0001-0175

    DISCONTINUED BY MANUFACTURER, POWER BLOCK, TRANSISTOR MODULE, 6 X 120 AMP, 600 V, (6DI120C-060)
    ✓ IN STOCK!
    $1,114.55 Buy Surplus As Low As $594.86
    $594.86
    FUJI ELECTRIC 2DI150A-120A

    FUJI ELECTRIC

    2DI150A-120A

    DISCONTINUED BY MANUFACTURER, TRANSISTOR, 150AMP, 1200V
    ✓ IN STOCK!
    $368.93 Buy New $368.93
    $234.07
    POWEREX CM430855

    POWEREX

    CM430855

    PRICE/EA (MIN PURCH= 4) - THYRISTOR MOD, 55A, 800V POW-R-BLOK; PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM:800V; GATE TRIGGER CURRENT MAX, IGT:100MA; CURR
    ✓ IN STOCK!
    $95.40 Buy Surplus As Low As $41.73
    $41.73
    POWEREX KD324515

    POWEREX

    KD324515

    DISCONTINUED BY MANUFACTURER, POWER BIPOLAR TRANSISTOR, 150A I(C), 450V V(BR)CEO, 2-ELEMENT, NPN, SILICON
    ✓ IN STOCK!
    $198.66 Buy Surplus As Low As $126.92
    $126.92
    SIEMENS A1106002001

    SIEMENS

    A1106002001

    RECT DIO MDL, 46/55A,1400PRVR
    ✓ IN STOCK!
    Buy Surplus As Low As $106.29
    $106.29
    ALLEN BRADLEY 1336-QOUT-SP17A

    ALLEN BRADLEY

    1336-QOUT-SP17A

    DISCONTINUED BY MANUFACTURER 03/31/2022, TRANSISTOR ASSEMBLY, OUTPUT, FOR 1336 AC DRIVE, 575 VAC, 125 HP, OPEN STYLE, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $4,372.84
    $4,372.84
    Repair Yours $3,629.46
    ALLEN BRADLEY SP-142514

    ALLEN BRADLEY

    SP-142514

    DISCONTINUED BY MANUFACTURER 03/05/2012, TRANSISTOR & SNUB KIT, 124-180 AMP, FORT 1336VT AC DRIVE, SAME AS: 142514, SAME AS: 1336-142514, SAME AS: PN-142514
    ✓ IN STOCK!
    Buy Surplus As Low As $3,909.71
    $3,909.71
    Repair Yours $3,415.84
    WESTCODE R325CH14FKQYO

    WESTCODE

    R325CH14FKQYO

    SCR 1400V
    ✓ IN STOCK!
    $997.00 Buy Surplus As Low As $598.00
    $598.00
    EATON CORPORATION 2018A40G01

    EATON CORPORATION

    CUTLER HAMMER

    2018A40G01

    (PRICE/EA) BRIDGE RECTIFIER ASSEMBLY, CONTACTOR; ACCESSORY TYPE:BRIDGE RECTIFIER ASSEMBLY; FOR USE WITH:EATON AMPGARDS & SIZE 7, 8 GPD CONTACTORS; PRODUCT RANGE:- ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $2,027.00 Buy Surplus As Low As $1,338.00
    $1,338.00
    ALLEN BRADLEY S201051

    ALLEN BRADLEY

    S201051

    DISCONTINUED BY MANUFACTURER, POWER SWITCHING, MODULE, 7-25 HP
    ✓ IN STOCK!
    Buy Surplus As Low As $415.35
    $415.35
    Repair Yours $396.55
    ALLEN BRADLEY S201525

    ALLEN BRADLEY

    S201525

    DISCONTINUED BY MANUFACTURER, DIODE BRIDGE, 7.5-20 HP 5 POSITION, 1334, OPEN STYLE, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $220.07
    $220.07
    Repair Yours $300.00
    MITSUBISHI QM300HA-24

    MITSUBISHI

    QM300HA-24

    DISCONTINUED BY MANUFACTURER, TRANSISTOR MODULE, 300 AMP, 1200 V, HIGH POWER SWITCHING, INSULATED TYPE
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00
    $90.00
    GENERAL ELECTRIC 104X125DA060

    GENERAL ELECTRIC

    104X125DA060

    THYRISTOR ASSY
    ✓ IN STOCK!
    Buy Surplus As Low As $89.76
    $89.76
    OPTO 22 G4AD6

    OPTO 22

    G4AD6

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE VOLTAGE INPUT MODULE, FOR USE WITH:OPTO22 MODULAR CONTROLLERS, NO. OF ANALOG INPUTS:1, NO. OF DIGITAL OUTPUTS:1, NO. OF ...
    ✓ IN STOCK!
    $539.00 Buy New $539.00
    $162.71
    INTERNATIONAL RECTIFIER IRKT26/12A

    INTERNATIONAL RECTIFIER

    IRKT26/12A

    DISCONTINUED BY MANUFACTURER, BRIDGE RECTIFIER, 3PH, ENCAPSULATED, SCREW TERMINALS, BLADE-STYLE CONNECTORS
    ✓ IN STOCK!
    $198.66 Buy Surplus As Low As $126.92
    $126.92
    IXYS MCC95-16IO8B

    IXYS

    MCC95-16IO8B

    THYRISTOR MODULE1600V TO 240AA
    ✓ IN STOCK!
    $148.50 Buy Surplus As Low As $50.43
    $50.43
    ALLEN BRADLEY 1336-QOUT-SP8A

    ALLEN BRADLEY

    1336-QOUT-SP8A

    DISCONTINUED BY MANUFACTURER, TRANSISTOR ASSEMBLY, OUTPUT / 20-30 HP-230 V, 40-60 HP- 460 V, 1336STG, SPARE PARTS FOR 1336 DRIVE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,373.81
    $1,373.81
    ALLEN BRADLEY 1336-SCR-SP15A

    ALLEN BRADLEY

    1336-SCR-SP15A

    SCR,INPUT(SA),1336STEF,480V,F FRAME,1/KIT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,558.08
    $2,558.08
    ALLEN BRADLEY SP-192708

    ALLEN BRADLEY

    SP-192708

    DISCONTINUED BY MANUFACTURER, SCR REPAIR KIT, 210 AMP, 1600 V, FOR 1395 DC DIGITAL DRIVE, SAME AS: 1395-192708
    ✓ IN STOCK!
    Buy Surplus As Low As $624.86
    $624.86
    Repair Yours $475.73
    ALLEN BRADLEY 2364-SPG05A

    ALLEN BRADLEY

    2364-SPG05A

    BRIDGE:DIODES,G CURRENT CODES, WHITE, ROUND, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $2,576.98
    $2,576.98
    Repair Yours $2,376.55
    TOSHIBA MG200Q1UK1

    TOSHIBA

    MG200Q1UK1

    TRANSISTOR MODULE 200A 1200V
    ✓ IN STOCK!
    $150.26 Buy New $150.26
    $65.72
    TOSHIBA MG50M2CK1

    TOSHIBA

    MG50M2CK1

    DISCONTINUED BY MANUFACTURER, POWER SWITCHING MODULE, 7/25 HP
    ✓ IN STOCK!
    Buy Surplus As Low As $337.50
    $337.50
    Repair Yours $300.00
    TOSHIBA S6425R

    TOSHIBA

    S6425R

    POWER MODULE
    ✓ IN STOCK!
    $72.00 Buy New $72.00
    $26.92
    TOSHIBA S6475R

    TOSHIBA

    S6475R

    THYRISTOR POWER MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As $25.33
    $25.33
    EATON CORPORATION 15-871-7

    EATON CORPORATION

    DYNAMATIC

    15-871-7

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY BD
    ✓ IN STOCK!
    Buy Surplus As Low As $548.76
    $548.76
    Repair Yours $455.47
    INFINEON T-718-N-16-TOF

    INFINEON

    EUPEC

    T-718-N-16-TOF

    DISCONTINUED BY MANUFACTURER, THYRISTOR DIODE, 60 MM CASE, 1800V 550VRMS
    ✓ IN STOCK!
    Buy Surplus As Low As $221.58
    $221.58
    INTERNATIONAL RECTIFIER 701819-303AW

    INTERNATIONAL RECTIFIER

    701819-303AW

    DISCONTINUED BY MANUFACTURER, RECTIFIER MODULE, POWER SUPPLY MODULE, 6 PIN
    ✓ IN STOCK!
    Buy Surplus As Low As $138.00
    $138.00
    INTERNATIONAL RECTIFIER IRKH230-16N

    INTERNATIONAL RECTIFIER

    IRKH230-16N

    DISCONTINUED BY MANUFACTURER, RECTIFIER, 510 AMP, 1600 VOLT, 50 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $375.00
    $375.00
    IXYS MCC310-16IO1

    IXYS

    MCC310-16IO1

    SILICON CONTROLLED RECTIFIER, 500A I(T)RMS, 520A I(T), 1600V V(DRM), 1600V V(RRM), 2 ELEMENT
    ✓ IN STOCK!
    $178.28 Buy Surplus As Low As $106.97
    $106.97
    FUJI ELECTRIC 2MBI200N-060

    FUJI ELECTRIC

    2MBI200N-060

    TRANSISTOR, INSULATED GATE, BIPOLAR, 200A I(C), 600V V(BR)CES, N-CHANNEL
    ✓ IN STOCK!
    $124.71 Buy New $124.71
    $71.69
    FUJI ELECTRIC 6DI50M-120

    FUJI ELECTRIC

    6DI50M-120

    DISCONTINUED BY MANUFACTURER, POWER MODULE, 6 X 50AMP, 1200V
    ✓ IN STOCK!
    Buy Surplus As Low As $120.00
    $120.00
    FUJI ELECTRIC A50L-5000-0017

    FUJI ELECTRIC

    A50L-5000-0017

    SEMICONDUCTOR POWER MODULE, 50A, 400V, HIGH-EFFICIENCY
    ✓ IN STOCK!
    $1,732.36 Buy New $1,732.36
    $1,283.22
    FUJI ELECTRIC ETK81-060B

    FUJI ELECTRIC

    ETK81-060B

    DISCONTINUED BY MANUFACTURER, POWER TRANSISTOR, MODULE, 50AMP, 600V, A50L-0001-0126
    ✓ IN STOCK!
    $295.19 Buy New $295.19
    $187.36
    LEUZE RK 93/4-60 S

    LEUZE

    RK 93/4-60 S

    ENERGETIC DIFFUSE SENSOR, V-OPTICS, 0-0.065 M RANGE LIMIT, 0-0.06 M GUARANTEED RANGE, LED LIGHT SOURCE, INFRARED, 10-30 VDC, DIGITAL SWITCHING OUTPUTS, TRANSISTOR, PNP, LIGHT SWITCHING, 4-PI ...
    ✓ IN STOCK!
    $766.71 Buy New $766.71
    $378.78
    MITSUBISHI QM200DY-H

    MITSUBISHI

    QM200DY-H

    DISCONTINUED BY MANUFACTURER, TRANSISTOR MODULE, HIGH POWER SWITCHING, INSULATED
    ✓ IN STOCK!
    Buy Surplus As Low As $69.12
    $69.12
    MITSUBISHI QM200HA-2H

    MITSUBISHI

    QM200HA-2H

    DISCONTINUED BY MANUFACTURER, TRANSISTOR MODULE, INSULATED TYPE, HIGH POWER, 200 AMP, 1000 V
    ✓ IN STOCK!
    $415.00 Buy Surplus As Low As $24.81
    $24.81
    OMRON SRT2ID04

    OMRON

    SRT2ID04

    MODULE 4POINT 24VDC REMOTE TERMINAL NPN TRANSISTOR INPUT, AVAILABLE, REBUILT SURPLUS, NEW, NEVER USED, REPAIR YOURS, 24 HOUR RUSH REPAIR, 5-10 DAY REPAIR, 2 YEAR RADWELL WARRANTY
    ✓ IN STOCK!
    $795.00 Buy Surplus As Low As $279.84
    $279.84
    POWEREX KS621260

    POWEREX

    KS621260

    TRANSISTOR MODULE 600AMP 1000V
    ✓ IN STOCK!
    Buy Surplus As Low As $330.48
    $330.48
    POWEREX KS621K30

    POWEREX

    KS621K30

    DISCONTINUED BY MANUFACTURER, TRANSISTOR MODULE, FOR USE W/ SWITCHING APPLICATION, SINGLE DARLINGTON TYPE, HIGH SPEED DIODE, ISOLATED MOUNTING, DISCRETE FAST RECOVERY, 300 AMP, 1000 VOLT
    ✓ IN STOCK!
    Buy Surplus As Low As $37.00
    $37.00
    FUJI ELECTRIC 2DI200A-050

    FUJI ELECTRIC

    2DI200A-050

    DISCONTINUED BY MANUFACTURER, POWER TRANSISTOR MODULE, 200AMP, 500V, NPN POLARITY / CHANNEL TYPE
    ✓ IN STOCK!
    Buy Surplus As Low As $444.96
    $444.96
    FUJI ELECTRIC 6MBI25L-120

    FUJI ELECTRIC

    6MBI25L-120

    TRANSISTOR, 1200 VDC, 25 AMPS, 1 MA
    ✓ IN STOCK!
    $371.83 Buy New $371.83
    $217.00
    POWEREX CM300HA-24H

    POWEREX

    CM300HA-24H

    DISCONTINUED BY MANUFACTURER, IGBT MODULE, 1.2KV, 300A, MODULE CONFIGURATION: SINGLE, TRANSISTOR POLARITY: N CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As $116.29
    $116.29
    POWEREX KD421215A7

    POWEREX

    KD421215A7

    DISCONTINUED BY MANUFACTURER, DUAL DARLINGTON TRANSISTOR MODULE, 1200 V, 150 A, JUNCTION TEMPERATURE: -40 TO 150 °C
    ✓ IN STOCK!
    $238.68 Buy Surplus As Low As $50.75
    $50.75
    TOSHIBA MG25Q2YS9

    TOSHIBA

    MG25Q2YS9

    POWER BLOCK TRANSISTOR 25AMP 1200V IGBT
    ✓ IN STOCK!
    $128.00 Buy New $128.00
    $85.00
    TOSHIBA MIG100Q201H

    TOSHIBA

    MIG100Q201H

    DISCONTINUED BY MANUFACTURER, POWER BLOCK, HIGH SPEED IGBT, 20-25HP
    ✓ IN STOCK!
    Buy Surplus As Low As $480.00
    $480.00
    Next
    1 2 3 4 5 6 7 8 9 10 11