LEDs

Visible LEDs are light emitting devices that generate visible illumination when charged with electrical currents. The brightness of visible LEDs depend on the ranges of power strength emitted from the diodes or twin terminal structures located on the insides.


What are visible LEDs used for?

Visible LEDs are typical in electronic components such as indicator lamps, used in the automotive industry. They are also used in signage and displays such as backlighting for billboards and posters. Visible LEDs are found in everyday products like calculators, digital watches, and smart devices.

Types of visible LEDs

Visible LEDs have different visible lighting features:

  • Flashing LEDs are attention seeking or warning indicators operated by multivibrator circuits, which flash at preset intervals.
  • Bi-colour LEDs have two different coloured LED emitters in one unit to depict system status, for example 'on' or 'off'.
  • Tri-colour LEDs have three LED emitters in one unit producing different colours, with the most common example being traffic light systems.
  • RGB (red, green, blue) LEDs have built-in control units to produce combinations of the primary colours and are mostly used in decorative and entertainment applications.

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Description Price LED Colours Package Type Mounting Type Number of LEDs Forward Voltage Luminous Intensity Radiant Flux Number of Pins Viewing Angle Luminous Flux Lens Shape Dominant Wavelength Dimensions Colour Temperature
RS Stock No. 124-1100
Mfr. Part No.L1SP-LME0003500000
BrandLumileds
£0.286
Each (In a Pack of 10)
Units
Green 3535 Surface Mount 1 3.05 V - - - 150 ° - - - 3.5 x 3.5 x 0.8mm -
RS Stock No. 170-9827
Mfr. Part No.LXML-PWC1-0100
BrandLumileds
£1.088
Each (On a Reel of 1000)
Units
White - Surface Mount 1 3 V - - 3 120 ° 180 lm Round - 4.61 x 3.17 x 2.1mm 6500K
RS Stock No. 691-0934
Mfr. Part No.LXML-PWC1-0100
BrandLumileds
£2.22
Each
Units
White - Surface Mount 1 3 V - - 3 120 ° 180 lm Round - 4.61 x 3.17 x 2.1mm 6500K
RS Stock No. 923-1060
Mfr. Part No.LXML-PB01-0040
BrandLumileds
£1.901
Each (On a Reel of 1000)
Units
Blue - Surface Mount 1 2.95 V - - 3 125 ° 41 lm Round 470 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 739-3548
Mfr. Part No.LXML-PB01-0040
BrandLumileds
£3.86
Each
Units
Blue - Surface Mount 1 2.95 V - - 3 125 ° 41 lm Round 470 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 124-2537
Mfr. Part No.L1SP-CW90002000000
BrandLumileds
£1.97
Each (In a Pack of 5)
Units
White - Surface Mount 1 2.75 V - - - 150 ° - - - 2 x 2 x 1.35mm 5700K
RS Stock No. 124-1104
Mfr. Part No.L1SP-RYL0003500000
BrandLumileds
£0.188
Each (In a Pack of 20)
Units
Blue 3535 Surface Mount 1 3.05 V - - - 150 ° - - 455 nm 3.5 x 3.5 x 0.8mm -
RS Stock No. 170-0980
Mfr. Part No.MXA8-PW40-H001
BrandLumileds
£0.129
Each (On a Reel of 5000)
Units
White 3535 Surface Mount 1 3.2 V - - 2 115 ° 46 lm Round - 3.7 x 3.5 x 0.8mm 4000K
RS Stock No. 124-2538
Mfr. Part No.L1SP-DRD0002000000
BrandLumileds
£1.18
Each (In a Pack of 5)
Units
Red - Surface Mount 1 1.95 V - - - 162 ° - - 665 nm 2 x 2 x 1.35mm -
RS Stock No. 897-8771
Mfr. Part No.MXA8-PW40-H001
BrandLumileds
£0.245
Each (In a Pack of 25)
Units
White 3535 Surface Mount 1 3.2 V - - 2 115 ° 46 lm Round - 3.7 x 3.5 x 0.8mm 4000K
RS Stock No. 760-4494
Mfr. Part No.LXR7-SW57
BrandLumileds
£7.78
Each
Units
White - Surface Mount 1 12 V - 4500mW 2 120 ° 905 lm Round - 7 x 7 x 3.75mm 5700K
RS Stock No. 124-2540
Mfr. Part No.L1SP-RYL0002000000
BrandLumileds
£0.808
Each (In a Pack of 5)
Units
Blue - Surface Mount 1 2.75 V - - - 165 ° - - 455 nm 2 x 2 x 1.35mm -
RS Stock No. 923-1095
Mfr. Part No.LXR7-SW57
BrandLumileds
£4.294
Each (On a Reel of 500)
Units
White - Surface Mount 1 12 V - 4500mW 2 120 ° 905 lm Round - 7 x 7 x 3.75mm 5700K
RS Stock No. 724-0943
Mfr. Part No.LXML-PE01-0070
BrandLumileds
£4.13
Each
Units
Cyan - Surface Mount 1 2.9 V - - 3 125 ° 76 lm Round 505 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 923-1036
Mfr. Part No.LXML-PE01-0070
BrandLumileds
£2.029
Each (On a Reel of 1000)
Units
Cyan - Surface Mount 1 2.9 V - - 3 125 ° 76 lm Round 505 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 739-3554
Mfr. Part No.LXM2-PL01-0000
BrandLumileds
£1.48
Each
Units
Amber - Surface Mount 1 3.05 V - - 3 120 ° 70 lm Round 592 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 923-1073
Mfr. Part No.LXM2-PL01-0000
BrandLumileds
£1.411
Each (On a Reel of 1000)
Units
PC Amber - Surface Mount 1 3.05 V - - 3 120 ° 70 lm Round 592 nm 4.61 x 3.17 x 2.1mm -
RS Stock No. 814-0765
Mfr. Part No.LMZ7-SW57
BrandLumileds
£6.41
Each (In a Pack of 2)
Units
White - Surface Mount 4 11.7 V - - 2 120 ° 937 lm Square - 4.2 x 4 x 0.59mm 5665K
RS Stock No. 170-0928
Mfr. Part No.LMZ7-SW57
BrandLumileds
£3.678
Each (On a Reel of 500)
Units
White - Surface Mount 4 11.7 V - - 2 120 ° 937 lm Square - 4.2 x 4 x 0.59mm 5665K
RS Stock No. 923-1133
Mfr. Part No.LXZ1-PM01
BrandLumileds
£1.078
Each (On a Reel of 2000)
Units
Green - Surface Mount 16 3 V - - 2 125 ° - Round 530 nm 1.3 x 1.7 x 0.66mm -