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. 229-2497
Mfr. Part No.L-424GDT
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Green 3mm (T-1) Through Hole 1 2.2 V 4 mcd - 2 100 ° - Round 568 nm 3 x 6mm -
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. 872-1724
Mfr. Part No.KAAF-5050RGBS-13
BrandKingbright
£1.478
Each (In a Pack of 5)
Units
RGB 5050 Surface Mount 3 3.2 V, 4.1 V, 4.5 V 1400 mcd - 6 120 ° - Round 470 / 525 / 625 nm 5 x 5 x 1.5mm -
RS Stock No. 165-4417
Mfr. Part No.KAAF-5050RGBS-13
BrandKingbright
£1.113
Each (On a Reel of 500)
Units
RGB 5050 Surface Mount 3 3.2 V, 4.1 V, 4.5 V 1400 mcd - 6 120 ° - Round 470 / 525 / 625 nm 5 x 5 x 1.5mm -
RS Stock No. 247-1555
Mfr. Part No.L-934SYD
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Yellow 3mm (T-1) Through Hole 1 2 V 250 mcd - 2 60 ° - Round 588 nm 3 x 4.6mm -
RS Stock No. 145-1893
Mfr. Part No.VLHW4100
BrandVishay
£0.225
Each (In a Bag of 500)
Units
White 3mm (T-1) Through Hole 1 3.8 V 11.2 cd - 2 ±22.5 ° - Round - 3.18 (Dia.) x 4.3mm -
RS Stock No. 907-6659
Mfr. Part No.XHP70A-01-0000-0D0BN20E1
BrandCree
£8.23
Each
Units
White - Surface Mount 1 12.4 V - 32000mW 2 120 ° 1827 lm Dome - 7 x 7 x 3.76mm 6500K
RS Stock No. 145-5873
Mfr. Part No.XHP70A-01-0000-0D0BN20E1
BrandCree
£6.999
Each (On a Reel of 100)
Units
White - Surface Mount 1 12.4 V - 32000mW 2 120 ° 1827 lm Dome - 7 x 7 x 3.76mm 6500K
RS Stock No. 818-4452
Mfr. Part No.VLHW4100
BrandVishay
£0.382
Each (In a Pack of 25)
Units
White 3mm (T-1) Through Hole 1 3.8 V 11.2 cd - 2 ±22.5 ° - Round - 3.18 (Dia.) x 4.3mm -
RS Stock No. 826-379
Mfr. Part No.HLMP-3507
BrandBroadcom
£0.216
Each (In a Pack of 5)
Units
Green 5mm (T-1 3/4) Through Hole 1 2.1 V 4.2 mcd - 2 60 ° - Round 569 nm 5 x 9.19mm -
RS Stock No. 178-3095
Mfr. Part No.HLMP-3507
BrandBroadcom
£0.069
Each (On a Tape of 2000)
Units
- - - - - - - - - - - - - -
RS Stock No. 665-5104
Mfr. Part No.LS E6SF-V2BA-1-1
£0.098
Each (In a Pack of 25)
Units
Red PLCC 4 Surface Mount 1 2.15 V 1.6 cd - 4 120 ° 4.65 lm Round 633 nm 3.4 x 3 x 2.1mm -
RS Stock No. 247-1022
Mfr. Part No.KA-3528SGT
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Green PLCC 2 Surface Mount 1 2.2 V 30 mcd - 2 120 ° - Round 565 nm 3.2 x 2.8 x 1.9mm -
RS Stock No. 165-1500
Mfr. Part No.KA-3528SGT
BrandKingbright
£0.107
Each (On a Reel of 2000)
Units
Green PLCC 2 Surface Mount 1 2.2 V 30 mcd - 2 120 ° - Round 565 nm 3.2 x 2.8 x 1.9mm -
RS Stock No. 913-3263
Mfr. Part No.LS E6SF-V2BA-1-1
£0.095
Each (On a Reel of 2000)
Units
Red PLCC 4 Surface Mount 1 2.15 V 1.6 cd - 4 120 ° 4.65 lm Round 633 nm 3.4 x 3 x 2.1mm -
RS Stock No. 165-1557
Mfr. Part No.KP-1608SGC
BrandKingbright
£0.039
Each (On a Reel of 2000)
Units
Green 1608 (0603) Surface Mount 1 2.5 V 15 mcd - 2 120 ° - Rectangle 568 nm 1.6 x 0.8mm -
RS Stock No. 466-3706
Mfr. Part No.KP-1608SGC
BrandKingbright
£0.108
Each (In a Pack of 40)
Units
Green 1608 (0603) Surface Mount 1 2.5 V 15 mcd - 2 120 ° - Rectangle 568 nm 1.6 x 0.8mm -
RS Stock No. 228-5629
Mfr. Part No.L-53GD-12V
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Green 5mm (T-1 3/4) Through Hole 1 14 V 20 mcd - 2 60 ° - Round 568 nm 5 x 8.6mm -
RS Stock No. 713-3968
Mfr. Part No.NSPB510AS
BrandNichia
£0.658
Each (In a Pack of 5)
Units
Blue 5mm (T-1 3/4) Through Hole 1 3.2 V 4.7 cd - 2 30 ° - Round - 5 x 8.3mm -
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