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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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    Results 251-300 of 463.
    NTE NTE5657

    NTE

    NTE5657

    TRIAC, 600V, 800MA, TO-92, PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM 600V, ON STATE RMS CURRENT IT(RMS) 800MA, TRIAC CASE STYLE TO-92, GATE TRIGGER CURRENT MAX (QI), IGT 5MA, GATE TRIGGER VOLT ...
    ✓ IN STOCK!
    £11.01 Price with VAT: £13.21 Buy Surplus As Low As £7.91 Price with VAT: £9.50
    £7.91 Price with VAT: £9.50
    NTE NTE969

    NTE

    NTE969

    INTEGRATED CIRCUIT,1A,15V, 3PINS, MOUNTING TYPE THROUGH HOLE,
    ✓ IN STOCK!
    £4.08 Price with VAT: £4.90 Buy Surplus As Low As £3.60 Price with VAT: £4.32
    £3.60 Price with VAT: £4.32
    NTE 1N5385B

    NTE

    1N5385B

    ZENER DIODE, 5W, 170V, AXIAL; ZENER VOLTAGE VZ TYP:170V; POWER DISSIPATION PD:5W; DIODE CASE STYLE:DO-35; ZENER TOLERANCE ¦:5%; NO. OF PINS:2PINS; OPERATING TEMPERATURE MAX:200¦C; PRODUCT RA ...
    ✓ IN STOCK!
    £1.11 Price with VAT: £1.34 Buy Surplus As Low As £0.58 Price with VAT: £0.69
    £0.58 Price with VAT: £0.69
    NTE NTE382

    NTE

    NTE382

    BIPOLAR TRANSISTOR (BJT), TRANSISTOR TYPE: NPN, MAX. COLLECTOR CURRENT: 1 A, MAX. EMITTER BREAKDOWN VOLTAGE: 100 V, MAX. POWER: 900 MW, FREQUENCY: 140 MHZ, CASE: TO-92L, 3-PIN, ROHS COMPLIAN ...
    ✓ IN STOCK!
    £5.84 Price with VAT: £7.01 Buy Surplus As Low As £3.40 Price with VAT: £4.08
    £3.40 Price with VAT: £4.08
    NTE NTE66

    NTE

    NTE66

    N CHANNEL MOSFET, 100V, 14A, TO-220, TRANSISTOR POLARITY:N CHANNEL, DRAIN SOURCE VOLTAGE VDS:100V,ON RESISTANCE RDS(ON):0.16 OHM, RDS(ON) TEST VOLTAGE VGS:10V, THRESHOLD VOLTAGE VGS:4V, MSL: ...
    ✓ IN STOCK!
    £6.65 Price with VAT: £7.98 Buy Surplus As Low As £4.18 Price with VAT: £5.01
    £4.18 Price with VAT: £5.01
    NTE NTE5539

    NTE

    NTE5539

    SCR THYRISTOR, 55A, 400V, TO-218; PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM:400V; GATE TRIGGER CURRENT MAX, IGT:40MA; CURRENT IT AV:35A; ON STATE RMS CURRENT IT(RMS):55A; THYRISTOR CASE STYLE: ...
    ✓ IN STOCK!
    £15.35 Price with VAT: £18.42 Buy Surplus As Low As £10.39 Price with VAT: £12.47
    £10.39 Price with VAT: £12.47
    NTE NTE2588

    NTE

    NTE2588

    TRANSISTOR,BJT,NPN,1.2KV V(BR)CEO,30MA I(C),TO-220AB
    ✓ IN STOCK!
    Buy Surplus As Low As £10.75 Price with VAT: £12.90
    £10.75 Price with VAT: £12.90
    NTE NTE2640

    NTE

    NTE2640

    TRANSISTOR,BJT,NPN,800V V(BR)CEO,6A I(C),TO-220VAR ROHS COMPLIANT: YES
    ✓ IN STOCK!
    Buy Surplus As Low As £6.72 Price with VAT: £8.07
    £6.72 Price with VAT: £8.07
    NTE NTE295

    NTE

    NTE295

    OPERATING FREQUENCY MIN:-; TRANSITION FREQUENCY FT:250MHZ; DC CURRENT GAIN HFE:60HFE; CONTINUOUS COLLECTOR CURRENT IC:1A; NOISE FIGURE TYP:-; FORWARD CURRENT TRANSFER RATIO:-; COLLECTOR EMIT ...
    ✓ IN STOCK!
    £5.02 Price with VAT: £6.02 Buy Surplus As Low As £3.61 Price with VAT: £4.33
    £3.61 Price with VAT: £4.33
    NTE NTE2975

    NTE

    NTE2975

    POWER MOSFET N-CHANNEL 55V ID=53A TO-220 CASE HIGH SPEED SWITCH ;ROHS COMPLIANT: YES
    ✓ IN STOCK!
    Buy Surplus As Low As £10.92 Price with VAT: £13.11
    £10.92 Price with VAT: £13.11
    NTE NTE5856

    NTE

    NTE5856

    RECTIFIER DIODE,300V V(RRM),DO-4 ;ROHS COMPLIANT: YES
    ✓ IN STOCK!
    Buy Surplus As Low As £8.47 Price with VAT: £10.16
    £8.47 Price with VAT: £10.16
    NTE NTE5859

    NTE

    NTE5859

    RECTIFIER DIODE,400V V(RRM),DO-4
    ✓ IN STOCK!
    Buy Surplus As Low As £8.73 Price with VAT: £10.48
    £8.73 Price with VAT: £10.48
    NTE NTE599

    NTE

    NTE599

    RECTIFIER DIODE, 200 VAC, 15 AMP, TO-220, TRR:35NS ULTRA-FAST SWITCH, ROHS COMPLIANT: YES, DIMENSIONS:10.3 X 15.75 X 4.82 MM
    ✓ IN STOCK!
    £11.63 Price with VAT: £13.95 Buy Surplus As Low As £5.31 Price with VAT: £6.37
    £5.31 Price with VAT: £6.37
    NTE NTE6010

    NTE

    NTE6010

    DIODE, STANDARD RECOVERY, 40A, 600V, DO-203AB-2, REPETITIVE REVERSE VOLTAGE VRRM MAX 600V, FORWARD CURRENT IF(AV) 40A, DIODE CONFIGURATION SINGLE, FORWARD VOLTAGE VF MAX 1.4V, REVERSE RECOVE ...
    ✓ IN STOCK!
    £24.26 Price with VAT: £29.11 Buy Surplus As Low As £16.68 Price with VAT: £20.01
    £16.68 Price with VAT: £20.01
    TELE CONTROLS TR2-230VAC

    TELE CONTROLS

    TR2-230VAC

    POWER MODULE, ACCESSORIES FOR TIME AND MONITORING RELAY, POWER MODULE 230V AC, FOR GAMMA SERIES 22.5MM
    ✓ IN STOCK!
    £38.17 Price with VAT: £45.80 Buy Surplus As Low As £22.90 Price with VAT: £27.48
    £22.90 Price with VAT: £27.48
    TELE CONTROLS TR2-110VAC

    TELE CONTROLS

    TR2-110VAC

    POWER MODULE, ACCESSORIES FOR TIME AND MONITORING RELAY, POWER MODULE 110V AC, FOR GAMMA SERIES 22.5MM
    ✓ IN STOCK!
    £38.70 Price with VAT: £46.44 Buy Surplus As Low As £21.44 Price with VAT: £25.73
    £21.44 Price with VAT: £25.73
    ON SEMICONDUCTOR TIP147

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    TIP147

    TRANSISTOR DARLINGTON PNP 10AMP 100V 3PIN
    ✓ IN STOCK!
    £2.15 Price with VAT: £2.58 Buy Surplus As Low As £1.91 Price with VAT: £2.29
    £1.91 Price with VAT: £2.29
    ON SEMICONDUCTOR MMPQ6700

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    MMPQ6700

    TRANSISTOR, BIPOLAR (BJT) TRANSISTOR, ARRAY, 2 NPN, 2 PNP, 40V, 200MA, 200MHZ, 1W, 16-SOIC, SURFACE MOUNT
    ✓ IN STOCK!
    £2.62 Price with VAT: £3.15 Buy Surplus As Low As £1.52 Price with VAT: £1.83
    £1.52 Price with VAT: £1.83
    CENTRAL SEMICONDUCTOR PN2222A PBFREE

    CENTRAL SEMICONDUCTOR

    PN2222A PBFREE

    SMALL SIGNAL BIPOLAR TRANSISTOR, 0.6A I(C), 40V V(BR)CEO, 1-ELEMENT, NPN, SILICON, TO-92
    ✓ IN STOCK!
    £0.74 Price with VAT: £0.89 Buy Surplus As Low As £0.43 Price with VAT: £0.52
    £0.43 Price with VAT: £0.52
    MARATHON SPECIAL PRODUCTS 1453587

    MARATHON SPECIAL PRODUCTS

    1453587

    POWER BLOCK
    ✓ IN STOCK!
    £137.74 Price with VAT: £165.29 Buy Surplus As Low As £53.85 Price with VAT: £64.62
    £53.85 Price with VAT: £64.62
    Repair Yours Contact Us
    ON SEMICONDUCTOR FQA9N90C_F109

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    FQA9N90C_F109

    RAIL / 900V, 9A, NCH, MOSFET
    ✓ IN STOCK!
    £3.80 Price with VAT: £4.56 Buy Surplus As Low As £2.17 Price with VAT: £2.60
    £2.17 Price with VAT: £2.60
    ON SEMICONDUCTOR FQP32N20C

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    FQP32N20C

    TRANSISTOR,MOSFET,N-CHANNEL,200V V(BR)DSS,28A I(D),TO-200AB ;ROHS COMPLIANT: YES
    ✓ IN STOCK!
    £1.13 Price with VAT: £1.36 Buy Surplus As Low As £0.84 Price with VAT: £1.01
    £0.84 Price with VAT: £1.01
    INFINEON FZ1200R16KF4-S1

    INFINEON

    EUPEC

    FZ1200R16KF4-S1

    DISCONTINUED BY MANUFACTURER, IGBT MODULE, 1200 AMP, 1600 V
    ✓ IN STOCK!
    Buy Surplus As Low As £255.00 Price with VAT: £306.00
    £255.00 Price with VAT: £306.00
    INFINEON FS75R12KE3G

    INFINEON

    FS75R12KE3G

    INSULATED GATE BIPOLAR TRANSISTOR, 100A I(C), 1200V V(BR)CES, N-CHANNEL
    ✓ IN STOCK!
    £177.22 Price with VAT: £212.67 Buy Surplus As Low As £101.27 Price with VAT: £121.52
    £101.27 Price with VAT: £121.52
    POWEREX CP15TD1-24A

    POWEREX

    CP15TD1-24A

    DISCONTINUED BY MANUFACTURER, INSULATED GATE BIPOLAR TRANSISTOR, 15A I(C), 1200V V(BR)CES, N-CHANNEL, PACKAGE-26 THROUGH HOLE
    ✓ IN STOCK!
    £308.99 Price with VAT: £370.79 Buy Surplus As Low As £249.18 Price with VAT: £299.02
    £249.18 Price with VAT: £299.02
    ON SEMICONDUCTOR 1N4002

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    1N4002

    (PRICE/TC) DIODE, STANDARD RECOVERY, 1A, 100V, DO-204AL, REPETITIVE REVERSE VOLTAGE VRRM MAX 100V, FORWARD CURRENT IF(AV) 1A, DIODE CONFIGURATION SINGLE, FORWARD VOLTAGE VF MAX 1.1V, REVERSE ...
    ✓ IN STOCK!
    £0.05 Price with VAT: £0.06 Buy Surplus As Low As £0.03 Price with VAT: £0.04
    £0.03 Price with VAT: £0.04
    PHILIPS ECG-247

    PHILIPS

    ECG RELAYS

    ECG-247

    TRANSISTOR, BJT DARLINGTON NPN, 100V
    ✓ IN STOCK!
    £6.49 Price with VAT: £7.79 Buy Surplus As Low As £3.59 Price with VAT: £4.31
    £3.59 Price with VAT: £4.31
    ON SEMICONDUCTOR TIP122

    ON SEMICONDUCTOR

    FAIRCHILD SEMICONDUCTOR

    TIP122

    TRANSISTOR, DARLINGTON NPN, BIPOLAR (BJT), 100V, 5 AMP, 2W, TO-220, THROUGH HOLE, ROHS NON-COMPLIANT
    ✓ IN STOCK!
    £1.28 Price with VAT: £1.54 Buy Surplus As Low As £0.74 Price with VAT: £0.89
    £0.74 Price with VAT: £0.89
    ADVANCED ENERGY NFS600-9630PE

    ADVANCED ENERGY

    ARTESYN TECHNOLOGIES

    NFS600-9630PE

    RECTIFIER 4-8AMP 100-240VAC 50/60HZ
    £236.50 Price with VAT: £283.80 Buy Surplus As Low As £80.35 Price with VAT: £96.42
    £80.35 Price with VAT: £96.42
    TEXAS INSTRUMENTS SEMI TIS75

    TEXAS INSTRUMENTS SEMI

    TIS75

    DISCONTINUED BY MANUFACTURER, TRANSISTOR 3PIN
    ✓ IN STOCK!
    £4.06 Price with VAT: £4.88 Buy Surplus As Low As £3.19 Price with VAT: £3.83
    £3.19 Price with VAT: £3.83
    TEXAS INSTRUMENTS SEMI LM78L15ACZ

    TEXAS INSTRUMENTS SEMI

    LM78L15ACZ

    DISCONTINUED BY MANUFACTURER, LINEAR VOLTAGE REGULATOR, THROUGH-HOLE MOUNT, CASE: TO-92-3, POSITIVE POLARITY, OUTPUT VOLTAGE: 15 V, OUTPUT CURRENT: 100 MA, INPUT VOLTAGE: 16.7-35 V, LOAD REG ...
    ✓ IN STOCK!
    £1.24 Price with VAT: £1.49 Buy Surplus As Low As £0.82 Price with VAT: £0.98
    £0.82 Price with VAT: £0.98
    TEXAS INSTRUMENTS SEMI 348ST1010G

    TEXAS INSTRUMENTS SEMI

    348ST1010G

    TRANSISTOR 2PIN
    Call for Availability
    TEXAS INSTRUMENTS SEMI NDB410BL

    TEXAS INSTRUMENTS SEMI

    NDB410BL

    IC MOSFET TRANSISTOR 7AMP 100V
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI D44H5

    TEXAS INSTRUMENTS SEMI

    D44H5

    TRANSISTOR 3PIN
    Call for Availability
    TEXAS INSTRUMENTS SEMI D41D14

    TEXAS INSTRUMENTS SEMI

    D41D14

    POWER TRANSISTOR PNP 3PIN
    Call for Availability
    VISHAY IRF840BPBF

    VISHAY

    IRF840BPBF

    POWER FIELD-EFFECT TRANSISTOR, 8A I(D), 500V, 0.8OHM, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET, TO-220AB, 3 PIN
    ✓ IN STOCK!
    £1.21 Price with VAT: £1.45 Buy Surplus As Low As £0.69 Price with VAT: £0.83
    £0.69 Price with VAT: £0.83
    TEXAS INSTRUMENTS SEMI SN74S20N

    TEXAS INSTRUMENTS SEMI

    SN74S20N

    DUAL NAND GATE, 4I/P, DIP-14; LOGIC FAMILY / BASE NUMBER:74S20; LOGIC TYPE:NAND; OUTPUT CURRENT:20MA; NO. OF INPUTS:4; SUPPLY VOLTAGE MIN:4.75V; SUPPLY VOLTAGE MAX:5.25V; LOGIC CASE STYLE:DI ...
    ✓ IN STOCK!
    £4.12 Price with VAT: £4.95 Buy Surplus As Low As £2.40 Price with VAT: £2.88
    £2.40 Price with VAT: £2.88
    TEXAS INSTRUMENTS SEMI SN74S10N

    TEXAS INSTRUMENTS SEMI

    SN74S10N

    NAND GATE, S SERIES, 3-FUNC, 3-INPUT, TTL, PDIP14
    ✓ IN STOCK!
    £2.39 Price with VAT: £2.87 Buy Surplus As Low As £1.39 Price with VAT: £1.67
    £1.39 Price with VAT: £1.67
    TEXAS INSTRUMENTS SEMI SN74LS03N

    TEXAS INSTRUMENTS SEMI

    SN74LS03N

    IC, LOGIC, 74LS, NAND GATE; LOGIC FAMILY / BASE NUMBER:74LS03; LOGIC TYPE:NAND; OUTPUT CURRENT:8MA; NO. OF INPUTS:2; SUPPLY VOLTAGE MIN:4.75V; SUPPLY VOLTAGE MAX:5.25V; LOGIC CASE STYLE:DIP; ...
    ✓ IN STOCK!
    £1.54 Price with VAT: £1.85 Buy Surplus As Low As £0.99 Price with VAT: £1.18
    £0.99 Price with VAT: £1.18
    TEXAS INSTRUMENTS SEMI 2N3019

    TEXAS INSTRUMENTS SEMI

    2N3019

    TEXAS INSTRUMENT, 2N3019, TRANSISTOR NPN SILICON 1AMP 80V
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI 2N3906

    TEXAS INSTRUMENTS SEMI

    2N3906

    SMALL SIGNAL BIPOLAR TRANSISTOR, 0.2A I(C), 40V V(BR)CEO, 1-ELEMENT, PNP, SILICON, TO-92
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI 2N3969

    TEXAS INSTRUMENTS SEMI

    2N3969

    TRANSISTOR JFET SILICON 300MW
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI LM329DZ

    TEXAS INSTRUMENTS SEMI

    LM329DZ

    DISCONTINUED BY MANUFACTURER, TWO TERMINAL VOLTAGE REFERENCE, 1 OUTPUT, 6.9V, BIPOLAR, TO-92
    ✓ IN STOCK!
    £3.72 Price with VAT: £4.47 Buy Surplus As Low As £2.37 Price with VAT: £2.84
    £2.37 Price with VAT: £2.84
    TEXAS INSTRUMENTS SEMI LM312H

    TEXAS INSTRUMENTS SEMI

    LM312H

    DISCONTINUED BY MANUFACTURER, AMPLIFIER OPERATIONAL, 8PIN
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI LM320T-5.0

    TEXAS INSTRUMENTS SEMI

    LM320T-5.0

    DISCONTINUED BY MANUFACTURER, FIXED NEGATIVE STANDARD REGULATOR, 5V, BIPOLAR, TO-220
    ✓ IN STOCK!
    £5.00 Price with VAT: £6.00 Buy Surplus As Low As £3.20 Price with VAT: £3.84
    £3.20 Price with VAT: £3.84
    TEXAS INSTRUMENTS SEMI LM350K

    TEXAS INSTRUMENTS SEMI

    LM350K

    DISCONTINUED BY MANUFACTURER, ADJUSTABLE POSITIVE STANDARD REGULATOR, 1.25V MIN, 32V MAX, BIPOLAR, TO-3
    ✓ IN STOCK!
    £126.48 Price with VAT: £151.78 Buy Surplus As Low As £90.96 Price with VAT: £109.15
    £90.96 Price with VAT: £109.15
    TEXAS INSTRUMENTS SEMI CA3086E

    TEXAS INSTRUMENTS SEMI

    CA3086E

    DISCONTINUED BY MANUFACTURER, RF SMALL SIGNAL BIPOLAR TRANSISTOR, 0.05A I(C), 5-ELEMENT, VERY HIGH FREQUENCY BAND, SILICON, NPN, DIP-14
    ✓ IN STOCK!
    £10.79 Price with VAT: £12.94 Buy Surplus As Low As £6.28 Price with VAT: £7.54
    £6.28 Price with VAT: £7.54
    TEXAS INSTRUMENTS SEMI LM2575S-15

    TEXAS INSTRUMENTS SEMI

    LM2575S-15

    IC, BUCK, REG, 1A, 5TO263; PRIMARY INPUT VOLTAGE:40V; NO. OF OUTPUTS:1; OUTPUT VOLTAGE:15V; OUTPUT CURRENT:1A; VOLTAGE REGULATOR CASE STYLE:TO-263; NO
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI FSA2501P

    TEXAS INSTRUMENTS SEMI

    FSA2501P

    DISCONTINUED BY MANUFACTURER, RECTIFIER DIODE, 16 ELEMENT, 60V V(RRM), SILICON, 14-DIP
    ✓ IN STOCK!
    Call for Availability
    TEXAS INSTRUMENTS SEMI LM300H

    TEXAS INSTRUMENTS SEMI

    LM300H

    TRANSISTOR VOLTAGE REGULATOR 2-20V 800MW
    ✓ IN STOCK!
    Call for Availability
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