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. 228-6010
Mfr. Part No.L-53YD
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Yellow 5mm (T-1 3/4) Through Hole 1 2.1 V 20 mcd - 2 60 ° - Round 588 nm 5 x 8.6mm -
RS Stock No. 466-3532
Mfr. Part No.L-7104QBC-D
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Blue 3mm (T-1) Through Hole 1 3.3 V 1.6 cd - 2 20 ° - Round 465 nm 3 x 4.6mm -
RS Stock No. 247-1511
Mfr. Part No.LF5WAEMBGMBW
BrandKingbright
£2.50
Each
Units
RGB 5mm (T-1 3/4) Through Hole 4 2 V, 2.2 V, 4 V 20 mcd, 25 mcd - 6 60 ° - Round 455 / 568 / 625 nm 5 x 8.6mm -
RS Stock No. 145-6304
Mfr. Part No.XQAAWT-02-0000-00000B4E3
BrandCree
£0.363
Each (On a Reel of 250)
Units
White 1616 (0606) Surface Mount 1 3.3 V - 1000mW 2 100 ° 51.7 lm Dome - 1.6 x 1.6 x 1.6mm 5000K
RS Stock No. 103-4292
Mfr. Part No.XQAAWT-02-0000-00000B4E3
BrandCree
£0.582
Each (In a Pack of 10)
Units
White 1616 (0606) Surface Mount 1 3.3 V - 1000mW 2 100 ° 51.7 lm Dome - 1.6 x 1.6 x 1.6mm 5000K
RS Stock No. 713-4024
Mfr. Part No.NSPW500GS-K1
BrandNichia
£0.656
Each (In a Pack of 5)
Units
White 5mm (T-1 3/4) Through Hole 1 3.1 V 33 cd - 2 15 ° - Round - 5 x 9mm -
RS Stock No. 247-1690
Mfr. Part No.L-53MBD
BrandKingbright
£1.046
Each (In a Pack of 5)
Units
Blue 5mm (T-1 3/4) Through Hole 1 4 V 60 mcd - 2 60 ° - Round 455 nm 5 x 8.6mm -
RS Stock No. 146-1341
Mfr. Part No.NSDW570GS-K1-B-P9-P11
BrandNichia
£0.568
Each (In a Bag of 1000)
Units
White 5mm (T-1 3/4) Through Hole 1 3.7 V 25.5 → 30.3 cd - 2 70 ° 28 lm Dome - - -
RS Stock No. 829-4275
Mfr. Part No.NSDW570GS-K1-B-P9-P11
BrandNichia
£0.577
Each (In a Pack of 10)
Units
White 5mm (T-1 3/4) Through Hole 1 3.7 V 25.5 → 30.3 cd - 2 70 ° 28 lm Dome - - -
RS Stock No. 146-0091
Mfr. Part No.150141M173100
£0.244
Each (On a Reel of 2000)
Units
RGB 3528 (1411) Surface Mount 3 2 V, 3.2 V 230 mcd, 270 mcd, 950 mcd - 4 120 ° - Round 470 / 520 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 815-4332
Mfr. Part No.150141M173100
£0.363
Each (In a Pack of 25)
Units
RGB 3528 (1411) Surface Mount 3 2 V, 3.2 V 230 mcd, 270 mcd, 950 mcd - 4 120 ° - Round 470 / 520 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 247-1678
Mfr. Part No.L-53SGD
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Green 5mm (T-1 3/4) Through Hole 1 2.2 V 40 mcd - 2 60 ° - Round 568 nm 5 x 8.6mm -
RS Stock No. 654-5818
Mfr. Part No.LH R974
£0.062
Each (In a Pack of 50)
Units
Red 2012 (0805) Surface Mount 1 1.8 V 41 mcd - 2 160 ° 0.105 lm Rectangle 645 nm 2 x 1.25 x 0.8mm -
RS Stock No. 121-7787
Mfr. Part No.LH R974
£0.028
Each (On a Reel of 4000)
Units
Red 2012 (0805) Surface Mount 1 1.8 V 41 mcd - 2 160 ° 0.105 lm Rectangular 645 nm 2 x 1.25 x 0.8mm -
RS Stock No. 703-1149
Mfr. Part No.LTW-420C5
BrandLite-On
£0.931
Each (In a Pack of 10)
Units
White 3mm (T-1) Through Hole 1 3.6 V 2.6 cd - 2 25 ° - Round - 3 x 5.25mm -
RS Stock No. 121-7784
Mfr. Part No.LS Q976
£0.03
Each (On a Reel of 4000)
Units
Red 1608 (0603) Surface Mount 1 2.5 V 180 mcd - 2 160 ° 0.33 lm Rectangular 633 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 654-5420
Mfr. Part No.LS Q976
£0.063
Each (In a Pack of 50)
Units
Red 1608 (0603) Surface Mount 1 2.5 V 180 mcd - 2 160 ° 0.33 lm Rectangle 633 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 247-1561
Mfr. Part No.L-934MBD
BrandKingbright
£1.018
Each (In a Pack of 5)
Units
Blue 3mm (T-1) Through Hole 1 4 V 50 mcd - 2 60 ° - Round 455 nm 3 x 4.6mm -
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. 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 -
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