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    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 authorised 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 authorised dealers. Because Radwell is not an authorised 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.

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    INFINEON FZ1200R12KL4C

    INFINEON

    EUPEC

    FZ1200R12KL4C

    DISCONTINUED BY MANUFACTURER, INSULATED GATE BIPOLAR TRANSISTOR, 1900A I(C), 1200V V(BR)CES, N-CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As £532.34 Price with VAT: £638.81
    £532.34 Price with VAT: £638.81
    SIEMENS 6SY7000-0AD50

    SIEMENS

    6SY7000-0AD50

    DISCONTINUED BY MANUFACTURER, 10/06/2011, IGBT TRANSISTOR MODULE, 1800 AMP, 1600 VOLT, FZ1800R16KF4
    ✓ IN STOCK!
    Buy Surplus As Low As £23,917.27 Price with VAT: £28,700.72
    £23,917.27 Price with VAT: £28,700.72
    ALLEN BRADLEY 1336-QOUT-SP13A

    ALLEN BRADLEY

    1336-QOUT-SP13A

    DISCONTINUED BY MANUFACTURER 03/31/2022, TRANSISTOR MODULE, 1336 SERIES, 230 VAC, 50H P, 460V, 100HP-PK2, BLACK, OPEN STYLE, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As £1,284.57 Price with VAT: £1,541.48
    £1,284.57 Price with VAT: £1,541.48
    Repair Yours £852.95 Price with VAT: £1,023.54
    GENERAL ELECTRIC 246B2331BA-G01

    GENERAL ELECTRIC

    246B2331BA-G01

    DISCONTINUED BY MANUFACTURER, THYRISTOR STACK SCR ASSEMBLY NF/N R/ID/40
    ✓ IN STOCK!
    Buy Surplus As Low As £932.90 Price with VAT: £1,119.48
    £932.90 Price with VAT: £1,119.48
    Repair Yours £905.62 Price with VAT: £1,086.75
    BONITRON M3452-U600CK6-R5

    BONITRON

    M3452-U600CK6-R5

    DISCONTINUED BY MANUFACTURER, BRAKING TRANSISTOR, 760 HP PEAK, 300 - 600 AMP BRAKING CURRENT, 120 VAC, 1.60 OHM, R5 OPTION: OUTPUTS: LOGIC POWER OK/NOT IGBT OPEN/NOT IBGT SHORTED/NOT OVERTEM ...
    ✓ IN STOCK!
    Buy Surplus As Low As £1,071.98 Price with VAT: £1,286.37
    £1,071.98 Price with VAT: £1,286.37
    Repair Yours £1,029.80 Price with VAT: £1,235.76
    DANFOSS DP25H1200T101667

    DANFOSS

    DP25H1200T101667

    DISCONTINUED BY MANUFACTURER, IGBT MODULE
    ✓ IN STOCK!
    £661.07 Price with VAT: £793.28 Buy Surplus As Low As £421.24 Price with VAT: £505.49
    £421.24 Price with VAT: £505.49
    SIEMENS 6QA3536-5AA00

    SIEMENS

    6QA3536-5AA00

    DISCONTINUED BY MANUFACTURER, THYRISTOR MODULE, FOR USE WITH 6QG3536-5E.00
    ✓ IN STOCK!
    Buy Surplus As Low As £444.91 Price with VAT: £533.89
    £444.91 Price with VAT: £533.89
    ROBICON 469554.04

    ROBICON

    469554.04

    DISCONTINUED BY MANUFACTURER, DRIVE / POWER CELL / VFD, PERFECT HARMONY, LEGACY, SIZE 4, 24 L X 18 W X 20 H INCH
    ✓ IN STOCK!
    Buy Surplus As Low As £8,849.52 Price with VAT: £10,619.43
    £8,849.52 Price with VAT: £10,619.43
    Repair Yours £7,731.69 Price with VAT: £9,278.03
    GENERAL ELECTRIC 304A9160G2

    GENERAL ELECTRIC

    304A9160G2

    DISCONTINUED BY MANUFACTURER, DIDODE ASSEMBLY, MOUNTABLE, SINGLE POLE, SINGLE WIRE
    ✓ IN STOCK!
    Buy Surplus As Low As £525.51 Price with VAT: £630.61
    £525.51 Price with VAT: £630.61
    VAT F02-100710/1

    VAT

    F02-100710/1

    DISCONTINUED BY MANUFACTURER, RECTANGULAR GATE TRANSFER VACUUM
    ✓ IN STOCK!
    Buy Surplus As Low As £665.63 Price with VAT: £798.76
    £665.63 Price with VAT: £798.76
    ASEA BROWN BOVERI PP18017HS(ABBF)6A

    ASEA BROWN BOVERI

    PP18017HS(ABBF)6A

    DISCONTINUED BY MANUFACTURER, POWER MODULE, 1700V, 180A
    ✓ IN STOCK!
    £908.38 Price with VAT: £1,090.06 Buy Surplus As Low As £683.11 Price with VAT: £819.73
    £683.11 Price with VAT: £819.73
    SIEMENS 6SL3352-1AE32-1AA1

    SIEMENS

    6SL3352-1AE32-1AA1

    REPLACEMENT POWER BLOCK, SINAMICS, 3 PHASE, 510-650 VDC, 210 AMP, PAINTED MODULES, NICKEL-PLATED BUSBARS
    ✓ IN STOCK!
    £15,372.00 Price with VAT: £18,446.40 Buy Surplus As Low As £9,224.00 Price with VAT: £11,068.80
    £9,224.00 Price with VAT: £11,068.80
    SIEMENS 6SY7010-0AB53

    SIEMENS

    6SY7010-0AB53

    DISCONTINUED BY MANUFACTURER, DISCONTINUED SINCE 11/01/2011, THYRISTOR BLOCK OF LAYER A, 1023AMP, 3PHASE, 660-690VAC, 50/60HZ, WITH SNUBBER CIRCUIT INFEED UNITS
    ✓ IN STOCK!
    Buy Surplus As Low As £5,362.78 Price with VAT: £6,435.34
    £5,362.78 Price with VAT: £6,435.34
    SIEMENS 6SY7010-0AB54

    SIEMENS

    6SY7010-0AB54

    DISCONTINUED BY MANUFACTURER, DISCONTINUED SINCE 11/01/2011, THYRISTOR BLOCK OF LAYER B, 1023AMP, 3PHASE, 660-690VAC, 50/60HZ, WITH SNUBBER CIRCUIT INFEED UNITS
    ✓ IN STOCK!
    Buy Surplus As Low As £6,012.25 Price with VAT: £7,214.70
    £6,012.25 Price with VAT: £7,214.70
    SIEMENS 6SY7010-0AB03

    SIEMENS

    6SY7010-0AB03

    DISCONTINUED BY MANUFACTURER 10/01/2025, THYRISTOR BLOCK, OF LAYER A, WITH SNUBBER CIRCUIT INFEED/REGENERATIVE FEEDBACK UNITS, 3 PHASE, 1023 AMP, 380-460 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £7,200.00 Price with VAT: £8,640.00
    £7,200.00 Price with VAT: £8,640.00
    Repair Yours £5,976.00 Price with VAT: £7,171.20
    SIEMENS 6SY7010-0AB01

    SIEMENS

    6SY7010-0AB01

    DISCONTINUED BY MANUFACTURER 01.11.2011, THYRISTOR BLOCK, OF LAYER A WITH SNUBBER CIRCUIT INFEED/REGENERATIVE FEEDBACK UNITS, 821 A, 380-460 VAC, 3 PHASE, 50/60 HZ
    ✓ IN STOCK!
    £3,961.30 Price with VAT: £4,753.56 Buy Surplus As Low As £1,925.19 Price with VAT: £2,310.23
    £1,925.19 Price with VAT: £2,310.23
    MAGNETEK 46S01627-4650

    MAGNETEK

    LOUIS ALLIS

    46S01627-4650

    DISCONTINUED BY MANUFACTURER, RECTIFIER STACK
    ✓ IN STOCK!
    Buy Surplus As Low As £526.22 Price with VAT: £631.46
    £526.22 Price with VAT: £631.46
    SIEMENS 6SY7010-0AB04

    SIEMENS

    6SY7010-0AB04

    DISCONTINUED BY MANUFACTURER 10/01/2025, THYRISTOR BLOCK, OF LAYER A, WITH SNUBBER CIRCUIT INFEED/REGENERATIVE FEEDBACK UNITS, 3 PHASE, 1023 AMP, 380-460 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £7,200.00 Price with VAT: £8,640.00
    £7,200.00 Price with VAT: £8,640.00
    Repair Yours £5,976.00 Price with VAT: £7,171.20
    SIEMENS 6SY7010-0AB47

    SIEMENS

    6SY7010-0AB47

    DISCONTINUED BY MANUFACTURER 11/01/2011, THYRISTOR BLOCK, W/ SNUBBER CIRCUIT INFEED UNITS, 1780 AMP, 380-460 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £5,940.00 Price with VAT: £7,128.00
    £5,940.00 Price with VAT: £7,128.00
    SIEMENS 6QA1234-3AK83

    SIEMENS

    6QA1234-3AK83

    DISCONTINUED BY MANUFACTURER SINCE: 04/03/09, THYRISTOR MODULE, FOR 6QG1234-3AK.3
    ✓ IN STOCK!
    Buy Surplus As Low As £672.50 Price with VAT: £807.00
    £672.50 Price with VAT: £807.00
    Repair Yours £558.17 Price with VAT: £669.80
    INFINEON DD1200S12H4

    INFINEON

    DD1200S12H4

    DIODE MODULE, 1200 AMP, 1200 V, 4 KV, HIGH POWER DENSITY FOR COMPACT INVERTER DESIGNS, IHM B HOUSING, CHASSIS MOUNT, -40 TO +150 DEGREE C
    ✓ IN STOCK!
    £834.28 Price with VAT: £1,001.14 Buy Surplus As Low As £475.96 Price with VAT: £571.15
    £475.96 Price with VAT: £571.15
    JUMO TYA-110/3, 100, 400, TR

    JUMO

    TYA-110/3, 100, 400, TR

    DISCONTINUED BY MANUFACTURER, THYRISTOR UNIT FOR ANALOG CONTROL, TYA 110/3, 100A, 400V, (00088116)
    ✓ IN STOCK!
    Buy Surplus As Low As £740.24 Price with VAT: £888.29
    £740.24 Price with VAT: £888.29
    Repair Yours £613.89 Price with VAT: £736.67
    SIEMENS 6SY7010-0AB46

    SIEMENS

    6SY7010-0AB46

    THYRISTOR MODULE W/RC NETWORK, 1780 AMP 380-460 VAC, 50/60 HZ, W/ SNUBBER CIRCUIT INFEED UNITS
    ✓ IN STOCK!
    £6,775.00 Price with VAT: £8,130.00 Buy Surplus As Low As £4,065.00 Price with VAT: £4,878.00
    £4,065.00 Price with VAT: £4,878.00
    SIEMENS 6SY7000-0AC77

    SIEMENS

    6SY7000-0AC77

    DISCONTINUED BY MANUFACTURER 06.10.2011, IGBT TRANSISTOR MODULE, FZ1200R12KF5
    ✓ IN STOCK!
    Buy Surplus As Low As £1,582.18 Price with VAT: £1,898.62
    £1,582.18 Price with VAT: £1,898.62
    EIC SEMICONDUCTOR RB156-13A

    EIC SEMICONDUCTOR

    RB156-13A

    DISCONTINUED BY MANUFACTURER, BRIDGE RECTIFIER. 1.5AMP, 50-800V
    ✓ IN STOCK!
    £0.51 Price with VAT: £0.61 Buy Surplus As Low As £0.42 Price with VAT: £0.50
    £0.42 Price with VAT: £0.50
    NEXPERIA BFS20,215

    NEXPERIA

    BFS20,215

    RF SMALL SIGNAL BIPOLAR TRANSISTOR, 0.025A I(C), 1-ELEMENT, VERY HIGH FREQUENCY BAND, SILICON, NPN, SOT-23, G1 MARKING CODE
    ✓ IN STOCK!
    £0.43 Price with VAT: £0.52 Buy Surplus As Low As £0.35 Price with VAT: £0.42
    £0.35 Price with VAT: £0.42
    DAIWA BZX6V2

    DAIWA

    COS

    BZX6V2

    DISCONTINUED BY MANUFACTURER, ZENER DIODE, POWER DISSIPATION: 500 MW, 5.89-6.51 V, DYNAMIC RESISTANCE: 30-500 OHMS, 64 MA
    ✓ IN STOCK!
    £0.46 Price with VAT: £0.55 Buy Surplus As Low As £0.35 Price with VAT: £0.42
    £0.35 Price with VAT: £0.42
    DIODES INC ZXMN10A11GTA

    DIODES INC

    ZXMN10A11GTA

    POWER FIELD-EFFECT TRANSISTOR, 2.4A I(D), 100V, 0.35OHM, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET, SOT-223, 4 PIN
    ✓ IN STOCK!
    £1.05 Price with VAT: £1.26 Buy Surplus As Low As £0.63 Price with VAT: £0.76
    £0.63 Price with VAT: £0.76
    CENTRAL SEMICONDUCTOR CMOZ2V4 TR PBFREE

    CENTRAL SEMICONDUCTOR

    CMOZ2V4 TR PBFREE

    DIODE, ZENER, 2.4V, 300MW, SMD, SOD523
    £0.96 Price with VAT: £1.16 Buy Surplus As Low As £0.56 Price with VAT: £0.68
    £0.56 Price with VAT: £0.68
    VISHAY VS-VSKT230-16PBF

    VISHAY

    VS-VSKT230-16PBF

    DISCONTINUED BY MANUFACTURER, 1600 V, 230 A, 2 SCR DOUBLER CIRCUIT, LEAD FREE
    ✓ IN STOCK!
    Buy Surplus As Low As £46.71 Price with VAT: £56.05
    £46.71 Price with VAT: £56.05
    WEEN SEMICONDUCTORS BT139X-600F/DG,127

    WEEN SEMICONDUCTORS

    BT139X-600F/DG,127

    TRIAC, STANDARD, 600V, 16A, THROUGH HOLE, TO-220F
    £1.51 Price with VAT: £1.82 Buy Surplus As Low As £0.88 Price with VAT: £1.06
    £0.88 Price with VAT: £1.06
    GENERAL ELECTRIC C50M

    GENERAL ELECTRIC

    C50M

    RECTIFIER
    ✓ IN STOCK!
    Buy Surplus As Low As £35.81 Price with VAT: £42.98
    £35.81 Price with VAT: £42.98
    DIOTEC MMBT3904

    DIOTEC

    MMBT3904

    SMALL SIGNAL BIPOLAR TRANSISTOR, 0.2A I(C), 40V V(BR)CEO, 1-ELEMENT, NPN, SILICON, SOT-23
    ✓ IN STOCK!
    £0.01 Price with VAT: £0.02 Buy Surplus As Low As £0.01 Price with VAT: £0.01
    £0.01 Price with VAT: £0.01
    VISHAY VS-20ETF06S-M3

    VISHAY

    VS-20ETF06S-M3

    RECTIFIER DIODE, 1 PHASE, 1 ELEMENT, 20A, 600V V(RRM), SILICON, TO-220AC, D2PAK-3
    ✓ IN STOCK!
    £2.15 Price with VAT: £2.58 Buy Surplus As Low As £1.25 Price with VAT: £1.50
    £1.25 Price with VAT: £1.50
    VISHAY VS-112MT160KPBF

    VISHAY

    VS-112MT160KPBF

    BRIDGE RECTIFIER; NO. OF PHASES:THREE PHASE; REPETITIVE PEAK REVERSE VOLTAGE:1.6KV; AVERAGE FORWARD CURRENT:-; BRIDGE RECTIFIER CASE STYLE:MTK; NO. OF PINS:6PINS; FORWARD VOLTAGE MAX:1.57V; ...
    ✓ IN STOCK!
    £52.29 Price with VAT: £62.75 Buy Surplus As Low As £40.23 Price with VAT: £48.27
    £40.23 Price with VAT: £48.27
    VISHAY SM8S16ATHE3/I

    VISHAY

    SM8S16ATHE3/I

    TRANS VOLTAGE SUPPRESSOR DIODE, 6600W, 16V V(RWM), UNIDIRECTIONAL, 1 ELEMENT, SILICON, DO-218AB-2
    ✓ IN STOCK!
    £5.55 Price with VAT: £6.65 Buy Surplus As Low As £3.23 Price with VAT: £3.88
    £3.23 Price with VAT: £3.88
    MILLER ELECTRIC 179628

    MILLER ELECTRIC

    179628

    DISCONTINUED BY MANUFACTURER, TRANSISTOR IGBT MODULE, KIT, FOR MAXSTAR 300 DX WELDER
    ✓ IN STOCK!
    Buy Surplus As Low As £303.03 Price with VAT: £363.64
    £303.03 Price with VAT: £363.64
    TAIWAN SEMICONDUCTOR S4D R7G

    TAIWAN SEMICONDUCTOR

    S4D R7G

    RECTIFIER, FAST RECOVERY, DO-214AB-2, 200 V, 4 AMP, SMD
    ✓ IN STOCK!
    £0.66 Price with VAT: £0.79 Buy Surplus As Low As £0.39 Price with VAT: £0.46
    £0.39 Price with VAT: £0.46
    COMCHIP TECHNOLOGY S3W-HF

    COMCHIP TECHNOLOGY

    S3W-HF

    RECTIFIER DIODE, 1 PHASE, 1 ELEMENT, 3A, 1600V V(RRM), SILICON, DO-214AB, SMC, 2 PIN
    ✓ IN STOCK!
    £0.87 Price with VAT: £1.04 Buy Surplus As Low As £0.51 Price with VAT: £0.61
    £0.51 Price with VAT: £0.61
    GENERAL ELECTRIC GE A177PE

    GENERAL ELECTRIC

    GE A177PE

    DISCONTINUED BY MANUFACTURER, RECTIFIER SEMICONDUCTOR, TYPE GE, DIODE
    ✓ IN STOCK!
    Buy Surplus As Low As £11.34 Price with VAT: £13.61
    £11.34 Price with VAT: £13.61
    TAIWAN SEMICONDUCTOR BZV55B56 L1

    TAIWAN SEMICONDUCTOR

    BZV55B56 L1

    ZENER DIODE, MMELF, 500MW, 135 OHMS, 56 V
    ✓ IN STOCK!
    £0.46 Price with VAT: £0.55 Buy Surplus As Low As £0.27 Price with VAT: £0.32
    £0.27 Price with VAT: £0.32
    LITTELFUSE MCD162-16I01

    LITTELFUSE

    IXYS

    MCD162-16I01

    DISCONTINUED BY MANUFACTURER, SILICON CONTROLLED RECTIFIER, 300A I(T)RMS, 181A I(T), 1600V V(DRM), 1600V V(RRM), 1 ELEMENT
    ✓ IN STOCK!
    £78.46 Price with VAT: £94.15 Buy Surplus As Low As £59.00 Price with VAT: £70.80
    £59.00 Price with VAT: £70.80
    MULTICOMP ABS1

    MULTICOMP

    ABS1

    BRIDGE RECTIFIER, SINGLE PHASE, 1A, 100, ABS, FULL REEL; NO. OF PHASES:SINGLE PHASE; REPETITIVE REVERSE VOLTAGE VRRM MAX:100V; FORWARD CURRENT IF(AV):1A; BRIDGE RECTIFIER CASE STYLE:SMD; FOR ...
    ✓ IN STOCK!
    £2.57 Price with VAT: £3.08 Buy Surplus As Low As £0.06 Price with VAT: £0.07
    £0.06 Price with VAT: £0.07
    EATON CORPORATION CH16204-3

    EATON CORPORATION

    CUTLER HAMMER

    CH16204-3

    3P POWER BLOCK - LINE 2/0-#8CU-AL LOAD 2/0-#8CU-AL
    ✓ IN STOCK!
    £6.50 Price with VAT: £7.80 Buy Surplus As Low As £3.89 Price with VAT: £4.67
    £3.89 Price with VAT: £4.67
    EATON CORPORATION CH16200-3

    EATON CORPORATION

    CUTLER HAMMER

    CH16200-3

    POWER SPLICER BLOCK, 600 VAC, 600 VDC, 115A, POWER SPLICER BLOCK, THREE-POLE, SCCR: 10 KA, BLACK, MOLDED THERMOPLASTIC
    ✓ IN STOCK!
    £33.33 Price with VAT: £39.99 Buy Surplus As Low As £19.99 Price with VAT: £23.99
    £19.99 Price with VAT: £23.99
    ALLEN BRADLEY 1336-BR-SP2A

    ALLEN BRADLEY

    1336-BR-SP2A

    DISCONTINUED BY MANUFACTURER, RECTIFIER BRIDGE TRANSISTOR, 1336STG, 575V, 7.5-15 HP
    ✓ IN STOCK!
    Buy Surplus As Low As £188.10 Price with VAT: £225.72
    £188.10 Price with VAT: £225.72
    ALLEN BRADLEY 40382-074-55

    ALLEN BRADLEY

    40382-074-55

    DISCONTINUED BY MANUFACTURER, POWER MODULE, 480 VAC, POWER MODULE SUPPLY
    ✓ IN STOCK!
    Buy Surplus As Low As £156.07 Price with VAT: £187.28
    £156.07 Price with VAT: £187.28
    Repair Yours £222.49 Price with VAT: £266.98
    VISHAY VS-8EWH06FNTR-M3

    VISHAY

    VS-8EWH06FNTR-M3

    (PRICE/TR) FREDS - D-PAK8A, 600V, LOW QRR, SINGLE, SMD, TJ=175 C
    ✓ IN STOCK!
    £0.73 Price with VAT: £0.88 Buy Surplus As Low As £0.42 Price with VAT: £0.50
    £0.42 Price with VAT: £0.50
    VISHAY SMCG33CA-E3/57T

    VISHAY

    SMCG33CA-E3/57T

    TRANS VOLTAGE SUPPRESSOR DIODE, 1500W, 33V V(RWM), BIDIRECTIONAL, 1 ELEMENT, SILICON, DO-215AB SMC, BFM MARKING
    ✓ IN STOCK!
    £1.12 Price with VAT: £1.35 Buy Surplus As Low As £0.64 Price with VAT: £0.77
    £0.64 Price with VAT: £0.77
    TOSHIBA GT60M323

    TOSHIBA

    GT60M323

    DISCONTINUED BY MANUFACTURER, INSULATED GATE BIPOLAR TRANSISTOR, 60A I(C), 900V V(BR)CES, N-CHANNEL, TO-3P(LH), 3 PIN
    ✓ IN STOCK!
    £29.66 Price with VAT: £35.60 Buy Surplus As Low As £18.52 Price with VAT: £22.22
    £18.52 Price with VAT: £22.22
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