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. 919-9660
Mfr. Part No.XBDRED-00-0000-000000701
BrandCree
HK$10.008
Each (On a Reel of 1000)
units
Red - Surface Mount 1 2.25 V - 3000mW 2 - 67.2 lm Dome 630 nm 2.45 x 2.45 x 1.84mm -
RS Stock No. 848-6471
Mfr. Part No.L-53SRC-J4
BrandKingbright
HK$2.782
Each (In a Pack of 25)
units
Red 5mm (T-1 3/4) Through Hole 1 2.1 V 8 cd - 2 20 ° - Round 640 nm 5 x 8.6mm -
RS Stock No. 914-8671
Mfr. Part No.LCW H9GP-KXLX-4J8K
HK$20.734
Each (In a Pack of 5)
units
White - Surface Mount 1 3.2 V 49020 mcd - 3 90 ° 71000 → 130000 mlm Round - 3.95 x 3.95 x 2.41mm 4500K
RS Stock No. 178-0943
Mfr. Part No.HLMP-0401
BrandBroadcom
HK$5.28
Each (In a Pack of 5)
units
Yellow Rectangular Through Hole 1 2.1 V 3.6 mcd - 2 100 ° - Rectangle 585 nm 2.5 x 7.6 x 8mm -
RS Stock No. 861-4307
Mfr. Part No.L-154A4SURKQBDZGW
BrandKingbright
HK$7.294
Each (In a Pack of 5)
units
RGB 5mm (T-1 3/4) Through Hole 3 2.5 V, 4 V, 4.1 V 300 mcd, 700 mcd, 1300 mcd - 4 60 ° - Round 465 / 525 / 630 nm 5 (Dia.) x 8.6mm -
RS Stock No. 168-9714
Mfr. Part No.LTST-C170GKT
BrandLite-On
HK$0.289
Each (On a Reel of 3000)
units
Green 2012 (0805) Surface Mount 1 2.1 V 6 mcd - 2 130 ° - Rectangle 569 nm 2 x 1.25 x 1.1mm -
RS Stock No. 165-4474
Mfr. Part No.KP-2012ZGC
BrandKingbright
HK$2.16
Each (On a Reel of 2000)
units
Green 2012 (0805) Surface Mount 1 4.1 V 400 mcd - 2 120 ° - Rectangle 525 nm 2 x 1.25 x 1.1mm -
RS Stock No. 923-1297
Mfr. Part No.LHC1-3090-1205CRSP
BrandLumileds
HK$120.792
Each (In a Tube of 100)
units
White Chip On Board Surface Mount 1 38 V - - 2 115 ° 2000 lm Round - 20 x 24 x 1.5mm 3000K
RS Stock No. 861-0188
Mfr. Part No.KPT-2012SGC
BrandKingbright
HK$0.64
Each (In a Pack of 100)
units
Green 2012 (0805) Surface Mount 1 2.5 V 12 mcd - 2 120 ° - Rectangle 568 nm 2.0 x 1.25 x 0.75mm -
RS Stock No. 861-0090
Mfr. Part No.KPH-1608SURCK
BrandKingbright
HK$0.646
Each (In a Pack of 50)
units
Red 1608 (0603) Surface Mount 1 2.5 V 230 mcd - 2 120 ° - Rectangle 630 nm 1.6 x 0.8 x 0.65mm -
RS Stock No. 888-6013
Mfr. Part No.SML-LX0404SIUPGUSB
BrandLumex
HK$3.983
Each (In a Pack of 50)
units
RGB 1010 (0404) Surface Mount - 2.15 V, 2.85 V, 2.95 V 20 mcd, 30 mcd, 40 mcd - - 120 ° - Rectangle 465 nm, 518 nm, 632 nm 1 x 1 x 0.25mm -
RS Stock No. 165-1819
Mfr. Part No.KPH-1608SURCK
BrandKingbright
HK$0.668
Each (On a Reel of 2000)
units
Red 1608 (0603) Surface Mount 1 2.5 V 230 mcd - 2 120 ° - Rectangle 630 nm 1.6 x 0.8 x 0.65mm -
RS Stock No. 810-6985
Mfr. Part No.C503C-WAS-CCADB232
BrandCree
HK$1.866
Each (In a Pack of 25)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 46.1 cd - 2 15 ° - Round - - 9000K
RS Stock No. 861-0166
Mfr. Part No.KPT-1608SURCK
BrandKingbright
HK$0.624
Each (In a Pack of 100)
units
Red 1608 (0603) Surface Mount 1 2.5 V 230 mcd - 2 120 ° - Rectangle 630 nm 1.6 x 0.8 x 0.75mm -
RS Stock No. 654-5919
Mfr. Part No.LS M676-P2S1-1
HK$1.099
Each (In a Pack of 25)
units
Red - Surface Mount 1 2 V 140 mcd - 2 120 ° 0.4 lm Rectangle 633 nm 2 x 1.4 x 1.3mm -
RS Stock No. 810-6783
Mfr. Part No.C503C-WAS-CCADB231
BrandCree
HK$1.905
Each (In a Pack of 25)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 46.1 cd - 2 15 ° - Round - - 9000K
RS Stock No. 178-5436
Mfr. Part No.C503C-WAS-CCADB231
BrandCree
HK$1.81
Each (In a Bag of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 165-1870
Mfr. Part No.KP-2012MGC
BrandKingbright
HK$2.018
Each (On a Reel of 2000)
units
Green 2012 (0805) Surface Mount 1 2.1 V 70 mcd - 2 120 ° - Rectangle 570 nm 2 x 1.25 x 1.1mm -
RS Stock No. 912-8475
Mfr. Part No.LS M676-P2S1-1
HK$0.573
Each (On a Reel of 3000)
units
Red - Surface Mount 1 2 V 140 mcd - 2 120 ° 0.4 lm Rectangle 633 nm 2 x 1.4 x 1.3mm -
RS Stock No. 692-1051
Mfr. Part No.LTST-C193TBKT-5A
BrandLite-On
HK$0.833
Each (In a Pack of 25)
units
Blue 1608 (0603) Surface Mount 1 3.05 V 15 mcd - 2 130 ° - Rectangle 475 nm 1.6 x 0.8mm -
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