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. 228-5685
Mfr. Part No.L-93WEGW
BrandKingbright
£2.00
Each
Units
Green, Red 3mm (T-1) Through Hole 2 2 V, 2.2 V 40 mcd - 3 60 ° - Round 617 nm 3 x 4.6mm -
RS Stock No. 165-1764
Mfr. Part No.L-154A4SUREQBFZGEC
BrandKingbright
£0.992
Each (In a Bag of 500)
Units
RGB 5mm (T-1 3/4) Through Hole 3 2.5 V, 4 V 900 mcd, 1300 mcd, 3600 mcd - 4 50 ° - Round 465 / 525 / 630 nm 5 (Dia.) x 8.6mm -
RS Stock No. 861-4290
Mfr. Part No.L-154A4SUREQBFZGEC
BrandKingbright
£1.438
Each (In a Pack of 5)
Units
RGB 5mm (T-1 3/4) Through Hole 3 2.5 V, 4 V 900 mcd, 1300 mcd, 3600 mcd - 4 50 ° - Round 465 / 525 / 630 nm 5 (Dia.) x 8.6mm -
RS Stock No. 247-1757
Mfr. Part No.L-53MBC
BrandKingbright
£0.716
Each (In a Pack of 5)
Units
Blue 5mm (T-1 3/4) Through Hole 1 4 V 150 mcd - 2 16 ° - Round 455 nm 5 x 8.6mm -
RS Stock No. 247-1909
Mfr. Part No.DLC2/6SRD
BrandKingbright
£3.55
Each
Units
Red 20 mm Through Hole 6 6 → 8 V 380 mcd - 2 120 ° - Round 660 nm 20 x 13.5mm -
RS Stock No. 619-4886
Mfr. Part No.L-7104SRC-D
BrandKingbright
£0.107
Each (In a Pack of 50)
Units
Red 3mm (T-1) Through Hole 1 1.85 V 600 mcd - 2 34 ° - Round 640 nm 3 x 4.6mm -
RS Stock No. 178-1623
Mfr. Part No.HLMP-1700
BrandBroadcom
£0.098
Each (On a Tape of 2000)
Units
- - - - - - - - - - - - - -
RS Stock No. 171-1234
Mfr. Part No.HLMP-1700
BrandBroadcom
£0.255
Each (In a Pack of 10)
Units
Red 3mm (T-1) Through Hole 1 1.7 V 2.1 mcd - 2 50 ° - Round 626 nm 3 x 4.7mm -
RS Stock No. 247-1549
Mfr. Part No.L-934SGD
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Green 3mm (T-1) Through Hole 1 2.2 V 40 mcd - 2 60 ° - Round 568 nm 3 x 4.6mm -
RS Stock No. 919-9604
Mfr. Part No.CLP6C-FKB-CK1P1G1BB7R3R3
BrandCree
£0.326
Each (On a Reel of 900)
Units
RGB PLCC 6 Surface Mount 3 2.6 V, 4 V 560 mcd, 1120 mcd, 2240 mcd - 6 120 ° - Round 480 / 540 / 624 nm 6 x 5 x 2.5mm -
RS Stock No. 667-5483
Mfr. Part No.CLP6C-FKB-CK1P1G1BB7R3R3
BrandCree
£0.422
Each (In a Pack of 5)
Units
RGB PLCC 6 Surface Mount 3 2.6 V, 4 V 560 mcd, 1120 mcd, 2240 mcd - 6 120 ° - Round 480 / 540 / 624 nm 6 x 5 x 2.5mm -
RS Stock No. 145-7286
Mfr. Part No.C503C-WAS-CBBDB152
BrandCree
£0.138
Each (On a Tape of 2500)
Units
White 5mm (T-1 3/4) Through Hole 1 4 V 46100 mcd - 2 15 ° - Oval - 5 (Dia.) x 8.8mm 9000K
RS Stock No. 228-5641
Mfr. Part No.L-937EGW
BrandKingbright
£2.00
Each
Units
Green, Red 3mm (T-1) Through Hole 2 2 V, 2.2 V 20 mcd - 2 60 ° - Round 568 / 625 nm 3 x 4.6mm -
RS Stock No. 123-8677
Mfr. Part No.C503C-WAS-CBBDB152
BrandCree
£0.167
Each (In a Pack of 20)
Units
White 5mm (T-1 3/4) Through Hole 1 4 V 46100 mcd - 2 15 ° - Oval - 5 (Dia.) x 8.8mm 9000K
RS Stock No. 168-5462
Mfr. Part No.LUW CQAR-MUNQ-HPHR-1-700
£0.646
Each (On a Reel of 600)
Units
White 3030 (1212) Surface Mount 1 3.05 V 90 cd - 3 120 ° 330 lm Round - 3.1 x 3.1 x 1.88mm 6500K
RS Stock No. 765-0630
Mfr. Part No.LUW CQAR-MUNQ-HPHR-1-700
£2.125
Each (In a Pack of 2)
Units
White 3030 (1212) Surface Mount 1 3.05 V 90 cd - 3 120 ° 330 lm Round - 3.1 x 3.1 x 1.88mm 6500K
RS Stock No. 228-5994
Mfr. Part No.L-53ND
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Orange 5mm (T-1 3/4) Through Hole 1 2.05 V 30 mcd - 2 60 ° - Round 610 nm 5 x 8.6mm -
RS Stock No. 861-4304
Mfr. Part No.L-154A4SURKQBDZGC
BrandKingbright
£1.104
Each (In a Pack of 5)
Units
RGB 5mm (T-1 3/4) Through Hole 3 2.5 V, 4 V, 4.1 V 700 mcd, 1100 mcd, 1700 mcd - 4 50 ° - Round 465 / 525 / 630 nm 5 (Dia.) x 8.6mm -
RS Stock No. 165-1766
Mfr. Part No.L-154A4SURKQBDZGC
BrandKingbright
£0.662
Each (In a Bag of 500)
Units
RGB 5mm (T-1 3/4) Through Hole 3 2.5 V, 4 V, 4.1 V 700 mcd, 1100 mcd, 1700 mcd - 4 50 ° - Round 465 / 525 / 630 nm 5 (Dia.) x 8.6mm -
RS Stock No. 713-3974
Mfr. Part No.NSPW515DS
BrandNichia
£0.658
Each (In a Pack of 5)
Units
White 5mm (T-1 3/4) Through Hole 1 3.2 V 2.3 cd - 2 65 ° - Round - 5 x 8.3mm -
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