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. 774-3029
Mfr. Part No.LX18-P135-3
BrandLumileds
HK$25.41
Each (In a Pack of 2)
units
White 4530 Surface Mount 1 3 V - - 3 120 ° 172 lm Round - 3.17 x 4.61 x 2.1mm 3500K
RS Stock No. 697-3840
Mfr. Part No.LW QH8G-Q2S2-3K5L
HK$2.091
Each (In a Pack of 25)
units
White 1006 (0402) Surface Mount 1 2.8 V 185 mcd - 2 120 °, 145 ° 0.53 lm Rectangle - 1 x 0.5 x 0.4mm 5600K
RS Stock No. 122-3600
Mfr. Part No.SCP8VT78HPL1VLS06E
BrandSamsung
HK$2.661
Each (In a Pack of 50)
units
White CSP Surface Mount 1 2.8 → 3.2 V - - 2 150 ° 56 → 72 lm Square - 1.18 x 1.18 x 0.42mm 3000K
RS Stock No. 904-7360
Mfr. Part No.C512A-WNN-CZ0B0151
BrandCree
HK$1.715
Each (In a Pack of 25)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 23500 mcd - 2 25 ° - Round - 5.9 (Dia.) x 8.8 (H)mm 9000K
RS Stock No. 145-1338
Mfr. Part No.C512A-WNN-CZ0B0151
BrandCree
HK$1.568
Each (In a Bag of 500)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 23500 mcd - 2 25 ° - Round - 5.9 (Dia.) x 8.8 (H)mm 9000K
RS Stock No. 830-5079
Mfr. Part No.ASMB-MTB1-0A3A2
BrandBroadcom
HK$3.24
Each (In a Pack of 25)
units
RGB PLCC 4 Surface Mount 3 2.1 V, 3.1 V 1.6 cd - 4 115 ° - Round 470 / 530 / 625 nm 3.2 x 2.8 x 1.8mm -
RS Stock No. 906-3479
Mfr. Part No.SM0805UWC
BrandBivar
HK$7.977
Each (In a Pack of 100)
units
White 2012 (0805) Surface Mount 1 3.3 V 450 mcd - 2 130 ° - Rectangle - 2 x 1.2 x 0.8mm -
RS Stock No. 228-5405
Mfr. Part No.L-2060HD
BrandKingbright
HK$3.73
Each (In a Pack of 5)
units
Red 1.8 mm Through Hole 1 2.5 V 1.6 mcd - 2 70 ° - Round 660 nm 1.8mm -
RS Stock No. 697-3617
Mfr. Part No.LB Q39E-N1OO-35-1
HK$2.639
Each (In a Pack of 10)
units
Blue 1608 (0603) Surface Mount 1 3.2 V 56 mcd - 2 135 (Horizontal) °, 155 (Vertical) ° 0.11 lm Rectangle 470 nm 1.6 x 0.8 x 0.3mm -
RS Stock No. 810-0505
Mfr. Part No.C512A-WNS-CZ0B0152
BrandCree
HK$1.715
Each (In a Pack of 50)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 23.5 cd - 2 25 ° - Round - - 9000K
RS Stock No. 121-7789
Mfr. Part No.LB Q39E-N1OO-35-1
HK$0.763
Each (On a Reel of 4000)
units
Blue 1608 (0603) Surface Mount 1 3.2 V 56 mcd - 2 135 (Horizontal) °, 155 (Vertical) ° 0.11 lm Rectangular 470 nm 1.6 x 0.8 x 0.3mm -
RS Stock No. 667-5483
Mfr. Part No.CLP6C-FKB-CK1P1G1BB7R3R3
BrandCree
HK$4.828
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. 162-4270
Mfr. Part No.SCP8VT78HPL1VLS06E
BrandSamsung
HK$0.975
Each (On a Reel of 4000)
units
White CSP Surface Mount 1 2.8 → 3.2 V - - 2 150 ° 56 → 72 lm Square - 1.18 x 1.18 x 0.42mm 3000K
RS Stock No. 922-6526
Mfr. Part No.ASMB-MTB1-0A3A2
BrandBroadcom
HK$1.461
Each (On a Reel of 2000)
units
RGB PLCC 4 Surface Mount 3 2.1 V, 3.1 V 1.6 cd - 4 115 ° - Round 470 / 530 / 625 nm 3.2 x 2.8 x 1.8mm -
RS Stock No. 692-0931
Mfr. Part No.LTST-C171EKT
BrandLite-On
HK$1.345
Each (In a Pack of 50)
units
Red 2012 (0805) Surface Mount 1 2.6 V 6 mcd - 2 130 ° - Rectangle 621 nm 2 x 1.25mm -
RS Stock No. 168-9722
Mfr. Part No.LTST-C171EKT
BrandLite-On
HK$0.386
Each (On a Reel of 3000)
units
Red 2012 (0805) Surface Mount 1 2.6 V 6 mcd - 2 130 ° - Rectangle 621 nm 2 x 1.25mm -
RS Stock No. 165-1842
Mfr. Part No.KPT-2012EC
BrandKingbright
HK$0.59
Each (On a Reel of 2000)
units
Red 2012 (0805) Surface Mount 1 2.5 V 15 mcd - 2 120 ° - Rectangle 617 nm 2.0 x 1.25 x 0.75mm -
RS Stock No. 919-9604
Mfr. Part No.CLP6C-FKB-CK1P1G1BB7R3R3
BrandCree
HK$3.69
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. 228-5685
Mfr. Part No.L-93WEGW
BrandKingbright
HK$3.00
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. 123-8676
Mfr. Part No.C512A-WNN-CZ0B0152
BrandCree
HK$2.012
Each (In a Pack of 20)
units
White 5mm (T-1 3/4) Through Hole 1 4 V 23500 mcd - 2 25 ° - Oval - 5 (Dia.) x 8.8mm 9000K
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