Product Search

    SEARCH NOW FOR ALL YOUR NATIONAL ELECTRONICS SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Components / Tube

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    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.

    Filter Results
    Results 1-50 of 102.
    NATIONAL ELECTRONICS NL-1236C

    NATIONAL ELECTRONICS

    NL-1236C

    ELECTRONIC TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £4.54 Price with VAT: £5.45
    £4.54 Price with VAT: £5.45
    NATIONAL ELECTRONICS NL-6989-NE

    NATIONAL ELECTRONICS

    NL-6989-NE

    VACUUM TUBE
    ✓ IN STOCK!
    £159.64 Price with VAT: £191.56 Buy Surplus As Low As £69.83 Price with VAT: £83.79
    £69.83 Price with VAT: £83.79
    NATIONAL ELECTRONICS 6SQ7

    NATIONAL ELECTRONICS

    6SQ7

    ELECTRONIC TUBE
    ✓ IN STOCK!
    £5.06 Price with VAT: £6.08 Buy Surplus As Low As £1.97 Price with VAT: £2.36
    £1.97 Price with VAT: £2.36
    NATIONAL ELECTRONICS NL-842

    NATIONAL ELECTRONICS

    NL-842

    VACUUM TUBE 13PIN
    ✓ IN STOCK!
    £85.54 Price with VAT: £102.65 Buy Surplus As Low As £67.03 Price with VAT: £80.44
    £67.03 Price with VAT: £80.44
    NATIONAL ELECTRONICS NL-C3J/L

    NATIONAL ELECTRONICS

    NL-C3J/L

    VACCUM TUBE VINTAGE 166X54MM 2.5V 9A 4PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £85.59 Price with VAT: £102.70
    £85.59 Price with VAT: £102.70
    NATIONAL ELECTRONICS 0C3A

    NATIONAL ELECTRONICS

    0C3A

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £139.09 Price with VAT: £166.91
    £139.09 Price with VAT: £166.91
    NATIONAL ELECTRONICS NL-5870

    NATIONAL ELECTRONICS

    NL-5870

    TUBE VACCUUM ELECTRONIC
    ✓ IN STOCK!
    £76.41 Price with VAT: £91.69 Buy Surplus As Low As £34.76 Price with VAT: £41.71
    £34.76 Price with VAT: £41.71
    NATIONAL ELECTRONICS NL-760

    NATIONAL ELECTRONICS

    NL-760

    VACUUM TUBE
    ✓ IN STOCK!
    £115.98 Price with VAT: £139.17 Buy Surplus As Low As £50.73 Price with VAT: £60.87
    £50.73 Price with VAT: £60.87
    NATIONAL ELECTRONICS NL-615/7018

    NATIONAL ELECTRONICS

    NL-615/7018

    DISCONTINUED BY MANUFACTURER, TUBE, VACUUM
    ✓ IN STOCK!
    Buy Surplus As Low As £154.11 Price with VAT: £184.93
    £154.11 Price with VAT: £184.93
    NATIONAL ELECTRONICS 5727/2D21W

    NATIONAL ELECTRONICS

    5727/2D21W

    ELECTRONIC TUBE 7PINS
    ✓ IN STOCK!
    Buy Surplus As Low As £28.35 Price with VAT: £34.02
    £28.35 Price with VAT: £34.02
    NATIONAL ELECTRONICS NL-5684/C6J/A

    NATIONAL ELECTRONICS

    NL-5684/C6J/A

    THYRATRON TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £90.71 Price with VAT: £108.85
    £90.71 Price with VAT: £108.85
    NATIONAL ELECTRONICS NL-5685/C6J/A

    NATIONAL ELECTRONICS

    NL-5685/C6J/A

    THYRATRON TUBE XENON 2.6V MAX
    ✓ IN STOCK!
    £159.64 Price with VAT: £191.56 Buy Surplus As Low As £75.25 Price with VAT: £90.30
    £75.25 Price with VAT: £90.30
    NATIONAL ELECTRONICS NL-5684/C3J/A

    NATIONAL ELECTRONICS

    NL-5684/C3J/A

    DISCONTINUED BY MANUFACTURER, THYRATRON TUBE, 2.5 AMP DC, 30 AMP PEAK
    ✓ IN STOCK!
    Buy Surplus As Low As £392.82 Price with VAT: £471.39
    £392.82 Price with VAT: £471.39
    NATIONAL ELECTRONICS NL-6014C1K

    NATIONAL ELECTRONICS

    NL-6014C1K

    TUBE THYRATRON 4PIN
    ✓ IN STOCK!
    £124.19 Price with VAT: £149.03 Buy Surplus As Low As £53.78 Price with VAT: £64.54
    £53.78 Price with VAT: £64.54
    NATIONAL ELECTRONICS NL-481B

    NATIONAL ELECTRONICS

    NL-481B

    DISCONTINUED BY MANUFACTURER, POWER TUBE, HIGH VACUUM RECTIFIER, 2.5 VOLT, 5 AMP, 4 PIN BASE
    ✓ IN STOCK!
    Buy Surplus As Low As £11.05 Price with VAT: £13.26
    £11.05 Price with VAT: £13.26
    NATIONAL ELECTRONICS 6AQ7GT

    NATIONAL ELECTRONICS

    6AQ7GT

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, 8 PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £4.15 Price with VAT: £4.98
    £4.15 Price with VAT: £4.98
    NATIONAL ELECTRONICS 931A

    NATIONAL ELECTRONICS

    931A

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, PHOTOMULTIPLIER, 9-STAGE, SIDE WINDOW, 11 OCTAL-PIN, PLUG-IN MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As £19.84 Price with VAT: £23.80
    £19.84 Price with VAT: £23.80
    NATIONAL ELECTRONICS NL-664L

    NATIONAL ELECTRONICS

    NL-664L

    VACUUM RECTIFIER TUBE
    ✓ IN STOCK!
    £146.49 Price with VAT: £175.79 Buy Surplus As Low As £81.16 Price with VAT: £97.39
    £81.16 Price with VAT: £97.39
    NATIONAL ELECTRONICS NL-843

    NATIONAL ELECTRONICS

    NL-843

    NATIONAL ELECTRONICS, NL-843, NL843, ELECTRONICS READOUT TUBE, .610, 30, 170 VDC, 3.5 MA 4.5 MA, 3.0 MA 4.0 MA, 1.5 MA 2.0 MA, 50 VDC TO 120 VDC, 13 PINS, 2 CHARACTER DISPLAY TUBE, SYMBOLS + ...
    ✓ IN STOCK!
    Buy Surplus As Low As £9.37 Price with VAT: £11.24
    £9.37 Price with VAT: £11.24
    NATIONAL ELECTRONICS NL-5992

    NATIONAL ELECTRONICS

    NL-5992

    NATIONAL ELECTRONICS, NL-5992, NL5992, READOUT TUBE, 170 VDC, 14 PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £4.24 Price with VAT: £5.08
    £4.24 Price with VAT: £5.08
    NATIONAL ELECTRONICS NL-C1K/6014

    NATIONAL ELECTRONICS

    NL-C1K/6014

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £256.30 Price with VAT: £307.57
    £256.30 Price with VAT: £307.57
    NATIONAL ELECTRONICS 6L6GC

    NATIONAL ELECTRONICS

    6L6GC

    DISCONTINUED BY MANUFACTURER, ELECTRON TUBE BEAM PENTODE
    ✓ IN STOCK!
    Buy Surplus As Low As £15.75 Price with VAT: £18.90
    £15.75 Price with VAT: £18.90
    NATIONAL ELECTRONICS 6SN7GTB

    NATIONAL ELECTRONICS

    6SN7GTB

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, 8PIN, GLASS
    ✓ IN STOCK!
    Buy Surplus As Low As £37.94 Price with VAT: £45.53
    £37.94 Price with VAT: £45.53
    NATIONAL ELECTRONICS OD3A

    NATIONAL ELECTRONICS

    OD3A

    ELECTRON TUBE T9
    ✓ IN STOCK!
    £8.62 Price with VAT: £10.34 Buy Surplus As Low As £6.50 Price with VAT: £7.80
    £6.50 Price with VAT: £7.80
    NATIONAL ELECTRONICS NL-7786NE

    NATIONAL ELECTRONICS

    NL-7786NE

    VACUUM TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £65.65 Price with VAT: £78.78
    £65.65 Price with VAT: £78.78
    NATIONAL ELECTRONICS NL-5557/FG17

    NATIONAL ELECTRONICS

    NL-5557/FG17

    THYRATRON TUBE, HIGH SENSITIVITY, SPARK PROTECTION TUBE, FOR HIGH FREQUENCY MACHINE APPLICATION
    ✓ IN STOCK!
    £511.95 Price with VAT: £614.34 Buy Surplus As Low As £288.92 Price with VAT: £346.70
    £288.92 Price with VAT: £346.70
    NATIONAL ELECTRONICS 2D21

    NATIONAL ELECTRONICS

    2D21

    TUBE GAS THYRATRON, 6.3V, 600MA, 7PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £5.68 Price with VAT: £6.81
    £5.68 Price with VAT: £6.81
    NATIONAL ELECTRONICS NL-3C23

    NATIONAL ELECTRONICS

    NL-3C23

    DISCONTINUED BY MANUFACTURER, THYRATRON TUBE QUICK HEAT
    ✓ IN STOCK!
    Buy Surplus As Low As £52.39 Price with VAT: £62.87
    £52.39 Price with VAT: £62.87
    NATIONAL ELECTRONICS NL710L7509A

    NATIONAL ELECTRONICS

    NL710L7509A

    VACUUM CTRL
    ✓ IN STOCK!
    £131.68 Price with VAT: £158.02 Buy Surplus As Low As £81.86 Price with VAT: £98.23
    £81.86 Price with VAT: £98.23
    NATIONAL ELECTRONICS 5751

    NATIONAL ELECTRONICS

    5751

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, ELECTRONIC TUBE, 9 PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £50.04 Price with VAT: £60.04
    £50.04 Price with VAT: £60.04
    NATIONAL ELECTRONICS 6J4WA

    NATIONAL ELECTRONICS

    6J4WA

    VACCUUM TUBE
    ✓ IN STOCK!
    £2.53 Price with VAT: £3.04 Buy Surplus As Low As £0.92 Price with VAT: £1.11
    £0.92 Price with VAT: £1.11
    NATIONAL ELECTRONICS NL-5442

    NATIONAL ELECTRONICS

    NL-5442

    DISCONTINUED BY MANUFACTURER, NIXIE TUBE, PLUS/MINUS/8 SYMBOL, 2.3AMP CATHODE, 145-170V, 16PIN
    ✓ IN STOCK!
    Buy Surplus As Low As £25.70 Price with VAT: £30.84
    £25.70 Price with VAT: £30.84
    NATIONAL ELECTRONICS 92AG

    NATIONAL ELECTRONICS

    92AG

    DISCONTINUED BY MANUFACTURER, ELECTRONIC VACUUM TUBE, 6 PIN CONNECTION
    ✓ IN STOCK!
    Buy Surplus As Low As £9.07 Price with VAT: £10.88
    £9.07 Price with VAT: £10.88
    NATIONAL ELECTRONICS NL-C6J/5C21

    NATIONAL ELECTRONICS

    NL-C6J/5C21

    THYRATRON TUBE 2.6V MAX
    ✓ IN STOCK!
    £180.78 Price with VAT: £216.94 Buy Surplus As Low As £85.39 Price with VAT: £102.47
    £85.39 Price with VAT: £102.47
    NATIONAL ELECTRONICS NL-635-7019

    NATIONAL ELECTRONICS

    NL-635-7019

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, ELECTRONIC, 4 PIN, GLASS
    ✓ IN STOCK!
    Buy Surplus As Low As £215.90 Price with VAT: £259.07
    £215.90 Price with VAT: £259.07
    NATIONAL ELECTRONICS NL-760/6858

    NATIONAL ELECTRONICS

    NL-760/6858

    THYRATRON VACUUM TUBE
    ✓ IN STOCK!
    £390.90 Price with VAT: £469.09 Buy Surplus As Low As £184.31 Price with VAT: £221.17
    £184.31 Price with VAT: £221.17
    NATIONAL ELECTRONICS 6X5GT

    NATIONAL ELECTRONICS

    6X5GT

    CONTROL TUBE
    ✓ IN STOCK!
    Buy Surplus As Low As £2.88 Price with VAT: £3.46
    £2.88 Price with VAT: £3.46
    Repair Yours Contact Us
    NATIONAL ELECTRONICS 12AU7A

    NATIONAL ELECTRONICS

    12AU7A

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, DUAL TRIODE, 300 V MAX, 20 MA MAX, 2.75 WATT PER SECTION, 9 PIN
    Buy Surplus As Low As £45.84 Price with VAT: £55.01
    £45.84 Price with VAT: £55.01
    NATIONAL ELECTRONICS 12AX7A-YUG

    NATIONAL ELECTRONICS

    12AX7A-YUG

    ELECTRONIC TUBE MADE IN YUGOSLAVIA
    Buy Surplus As Low As £22.74 Price with VAT: £27.29
    £22.74 Price with VAT: £27.29
    NATIONAL ELECTRONICS NL-760L

    NATIONAL ELECTRONICS

    NL-760L

    POWER VACUUM TUBE W/4FORK LUG TERMINALS
    £115.98 Price with VAT: £139.17 Buy Surplus As Low As £69.59 Price with VAT: £83.50
    £69.59 Price with VAT: £83.50
    NATIONAL ELECTRONICS OA2

    NATIONAL ELECTRONICS

    OA2

    ELECTRON TUBE VOLTAGE REGULATOR
    Buy Surplus As Low As £4.55 Price with VAT: £5.46
    £4.55 Price with VAT: £5.46
    NATIONAL ELECTRONICS NL-604L/7015

    NATIONAL ELECTRONICS

    NL-604L/7015

    RECTIFIER TUBE 2.5DC AMP
    Buy Surplus As Low As £163.07 Price with VAT: £195.68
    £163.07 Price with VAT: £195.68
    NATIONAL ELECTRONICS NL-5C22-MILSPEC

    NATIONAL ELECTRONICS

    NL-5C22-MILSPEC

    HYDROGEN THYRATRON TUBE HIGH ENERGY 325AMP 200V
    Buy Surplus As Low As £932.35 Price with VAT: £1,118.82
    £932.35 Price with VAT: £1,118.82
    NATIONAL ELECTRONICS NL-SSR-13/S866A

    NATIONAL ELECTRONICS

    NL-SSR-13/S866A

    VACUUM TUBE METAL CASED OCTAL BASED
    £100.81 Price with VAT: £120.98 Buy Surplus As Low As £60.64 Price with VAT: £72.77
    £60.64 Price with VAT: £72.77
    NATIONAL ELECTRONICS NL5440-A

    NATIONAL ELECTRONICS

    NL5440-A

    VACUUM TUBE 16 PIN
    Buy Surplus As Low As £38.66 Price with VAT: £46.39
    £38.66 Price with VAT: £46.39
    NATIONAL ELECTRONICS 6C4

    NATIONAL ELECTRONICS

    6C4

    VACUUM TUBE
    Buy Surplus As Low As £5.46 Price with VAT: £6.55
    £5.46 Price with VAT: £6.55
    NATIONAL ELECTRONICS NL-760P

    NATIONAL ELECTRONICS

    NL-760P

    VACUUM TUBE
    £120.52 Price with VAT: £144.63 Buy Surplus As Low As £72.77 Price with VAT: £87.32
    £72.77 Price with VAT: £87.32
    NATIONAL ELECTRONICS 4BC8

    NATIONAL ELECTRONICS

    4BC8

    ELECTRON TUBE 9PIN
    Buy Surplus As Low As £2.92 Price with VAT: £3.50
    £2.92 Price with VAT: £3.50
    NATIONAL ELECTRONICS 1N2637

    NATIONAL ELECTRONICS

    1N2637

    RECTIFIER TUBE SOLID STATE
    Buy Surplus As Low As £44.95 Price with VAT: £53.94
    £44.95 Price with VAT: £53.94
    NATIONAL ELECTRONICS NL-872A

    NATIONAL ELECTRONICS

    NL-872A

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, 4-PIN, MERCURY VAPOR RECTIFIER
    Buy Surplus As Low As £75.03 Price with VAT: £90.03
    £75.03 Price with VAT: £90.03
    Next
    1 2 3