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. 228-5988
Mfr. Part No.L-53HD
BrandKingbright
HK$4.148
Each (In a Pack of 5)
units
Red 5mm (T-1 3/4) Through Hole 1 2.25 V 5 mcd - 2 60 ° - Round 660 nm 5 x 8.6mm -
RS Stock No. 654-5773
Mfr. Part No.LG R971
HK$1.931
Each (In a Pack of 50)
units
Green 2012 (0805) Surface Mount 1 2.2 V 26 mcd - 2 160 ° 0.065 lm Rectangle 570 nm 2.0 x 1.25 x 0.8mm -
RS Stock No. 165-1823
Mfr. Part No.KPHHS-1005CGCK
BrandKingbright
HK$0.887
Each (On a Reel of 2000)
units
Green 1005 (0402) Surface Mount 1 2.5 V 50 mcd - 2 120 ° - Rectangle 570 nm 1 x 0.5 x 0.5mm -
RS Stock No. 121-7785
Mfr. Part No.LG R971
HK$0.377
Each (On a Reel of 4000)
units
Green 2012 (0805) Surface Mount 1 2.2 V 26 mcd - 2 160 ° 0.065 lm Rectangular 570 nm 2.0 x 1.25 x 0.8mm -
RS Stock No. 861-0122
Mfr. Part No.KPHHS-1005CGCK
BrandKingbright
HK$1.252
Each (In a Pack of 50)
units
Green 1005 (0402) Surface Mount 1 2.5 V 50 mcd - 2 120 ° - Rectangle 570 nm 1 x 0.5 x 0.5mm -
RS Stock No. 860-9992
Mfr. Part No.KPFA-3010RGBC-11
BrandKingbright
HK$5.19
Each (In a Pack of 10)
units
RGB 5mm (T-1 3/4) Surface Mount 3 2.5 V, 4 V, 4.1 V 70 mcd, 140 mcd, 300 mcd - 4 120 ° - Dome 465 / 525 / 621 nm 3 x 1 x 1.5mm -
RS Stock No. 165-1890
Mfr. Part No.KPFA-3010RGBC-11
BrandKingbright
HK$4.548
Each (On a Reel of 2000)
units
RGB 5mm (T-1 3/4) Surface Mount 3 2.5 V, 4 V, 4.1 V 70 mcd, 140 mcd, 300 mcd - 4 120 ° - Dome 465 / 525 / 621 nm 3 x 1 x 1.5mm -
RS Stock No. 810-6705
Mfr. Part No.C503D-WAN-CCbEb151
BrandCree
HK$1.882
Each (In a Pack of 25)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 64.6 cd - 2 15 ° - Round - - 9000K
RS Stock No. 697-3614
Mfr. Part No.LB QH9G-N1OO-35-1
HK$2.915
Each (In a Pack of 25)
units
Blue 1006 (0402) Surface Mount 1 2.85 V 50 mcd - 2 155 °, 170 ° 0.15 lm Rectangle 470 nm 1 x 0.5 x 0.4mm -
RS Stock No. 168-5423
Mfr. Part No.LB QH9G-N1OO-35-1
HK$0.898
Each (On a Reel of 4000)
units
Blue 1006 (0402) Surface Mount 1 2.85 V 50 mcd - 2 155 °, 170 ° 0.15 lm Rectangle 470 nm 1 x 0.5 x 0.4mm -
RS Stock No. 146-1507
Mfr. Part No.KP-2012SECK
BrandKingbright
HK$0.68
Each (On a Reel of 2000)
units
Orange 2012 (0805) Surface Mount 1 2.5 V 250 mcd - 2 120 ° - Rectangle 601 nm 2 x 1.25 x 1.1mm -
RS Stock No. 861-0034
Mfr. Part No.KP-2012SECK
BrandKingbright
HK$1.009
Each (In a Pack of 100)
units
Orange 2012 (0805) Surface Mount 1 2.5 V 250 mcd - 2 120 ° - Rectangle 601 nm 2 x 1.25 x 1.1mm -
RS Stock No. 228-6004
Mfr. Part No.L-53GD
BrandKingbright
HK$4.576
Each (In a Pack of 5)
units
Green 5mm (T-1 3/4) Through Hole 1 2 V 20 mcd - 2 60 ° - Round 568 nm 5 x 8.6mm -
RS Stock No. 919-9792
Mfr. Part No.C503D-WAN-CCBEB151
BrandCree
HK$1.715
Each (In a Bag of 500)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 64.6 cd - 2 15 ° - Round - - 9000K
RS Stock No. 692-1199
Mfr. Part No.LTST-S220KRKT
BrandLite-On
HK$1.254
Each (In a Pack of 50)
units
Red 2012 (0805) Side View Surface Mount 1 2.4 V 54 mcd - 2 130 ° - Rectangle 631 nm 2.1 x 0.6mm -
RS Stock No. 752-6512
Mfr. Part No.SLC-22VR3F
BrandROHM
HK$45.943
Each (In a Pack of 10)
units
Red 2 mm Lighthouse Through Hole 1 2 V 2.5 mcd - 2 115 ° - Round 630 nm 2mm -
RS Stock No. 466-3532
Mfr. Part No.L-7104QBC-D
BrandKingbright
HK$6.526
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
HK$31.01
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. 168-9786
Mfr. Part No.LTST-S220KRKT
BrandLite-On
HK$0.368
Each (On a Reel of 4000)
units
Red 2012 (0805) Side View Surface Mount 1 2.4 V 54 mcd - 2 130 ° - Rectangle 631 nm 2.1 x 0.6mm -
RS Stock No. 228-5770
Mfr. Part No.L-59EGW-CA
BrandKingbright
HK$22.88
Each
units
Green, Red 5mm (T-1 3/4) Through Hole 2 2 V, 2.2 V 5 mcd - 3 60 ° - Round 568 / 625 nm 5 x 8.6mm -
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