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. 168-5184
Mfr. Part No.KY DMLN31.FY-7G7H-5F-8E8G
SGD0.583
Each (On a Reel of 2000)
units
Yellow - Surface Mount 5 2.95 V 12 cd - 2 120 ° 22.4 → 40 lm Flat - 2 x 2.75 x 0.6mm -
RS Stock No. 654-6063
Mfr. Part No.LS A676-P2S1-1
SGD0.522
Each (In a Pack of 25)
units
Red - Surface Mount 1 2 V 224 mcd - 2 120 ° 0.4 lm Round 633 nm 4.2 x 4.2mm -
RS Stock No. 165-1814
Mfr. Part No.KP-3216SECK
BrandKingbright
SGD0.131
Each (On a Reel of 2000)
units
Orange 3216 (1206) Surface Mount 1 2.5 V 250 mcd - 2 120 ° - Rectangle 601 nm 3.2 x 1.6 x 1.1mm -
RS Stock No. 810-6881
Mfr. Part No.XPERED-L1-R250-00401
BrandCree LED
SGD3.14
Each (In a Pack of 5)
units
Red 3535 Surface Mount 1 2.1 V - 3500mW 2 130 ° 51.7 lm Dome 630 nm - -
RS Stock No. 168-5276
Mfr. Part No.LS A676-P2S1-1
SGD0.114
Each (On a Reel of 2000)
units
Red - Surface Mount 1 2 V 224 mcd - 2 120 ° 0.4 lm Round 633 nm 4.2 x 4.2mm -
RS Stock No. 769-3517
Mfr. Part No.ASMT-YTB2-0BB02
BrandBroadcom
SGD2.46
Each (In a Pack of 5)
units
Green, Red PLCC 6 Surface Mount 3 2.1 V, 3.2 V 1.6 cd - 6 120 ° - Square 470 / 530 / 622 nm 3 x 2.8 x 1.8mm -
RS Stock No. 146-1487
Mfr. Part No.KPED-3528SYCK
BrandKingbright
SGD0.197
Each (On a Reel of 500)
units
Yellow 3528 (1411) Surface Mount 1 2.5 V 500 mcd - 2 40 ° - Dome 590 nm 3.5 x 2.8 x 3.2mm -
RS Stock No. 713-3983
Mfr. Part No.NSPL500DS
BrandNichia
SGD1.42
Each (In a Pack of 5)
units
White 5mm (T-1 3/4) Through Hole 1 3.2 V 22 cd - 2 15 ° - Round - 5 x 8.6mm -
RS Stock No. 466-3548
Mfr. Part No.L-7113QBC-D
BrandKingbright
SGD1.174
Each (In a Pack of 5)
units
Blue 5mm (T-1 3/4) Through Hole 1 3.3 V 2.7 cd - 2 16 ° - Round 465 nm 5 x 8.6mm -
RS Stock No. 862-4685
Mfr. Part No.KPA-2106SURCK
BrandKingbright
SGD0.239
Each (In a Pack of 50)
units
Red 2106 Surface Mount 1 2.5 V 220 mcd - 2 120 ° - Dome 630 nm 2.1 x 0.6 x 1mm -
RS Stock No. 922-5716
Mfr. Part No.HSMG-C150
BrandBroadcom
SGD0.163
Each (On a Reel of 3000)
units
Green 3216 (1206) Surface Mount 1 2.2 V 15 mcd - 2 170 ° - Rectangle 572 nm 3.2 x 1.6 x 1.1mm -
RS Stock No. 752-9214
Mfr. Part No.NSPB310B
BrandNichia
SGD1.378
Each (In a Pack of 5)
units
Blue 3mm (T-1) Through Hole 1 3.2 V 2.5 cd - 2 - - Round - 3 x 5.4mm -
RS Stock No. 922-6784
Mfr. Part No.ASMT-YTB2-0BB02
BrandBroadcom
SGD1.17
Each (On a Reel of 1000)
units
RGB PLCC 6 Surface Mount 3 2.1 V, 3.2 V 1.6 cd - 6 120 ° - Square 470 / 530 / 622 nm 3 x 2.8 x 1.8mm -
RS Stock No. 919-9792
Mfr. Part No.C503D-WAN-CCBEB151
BrandCree LED
SGD0.331
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. 486-0531
Mfr. Part No.HSMG-C150
BrandBroadcom
SGD0.445
Each (In a Pack of 20)
units
Green 3216 (1206) Surface Mount 1 2.2 V 15 mcd - 2 170 ° - Rectangle 572 nm 3.2 x 1.6 x 1.1mm -
RS Stock No. 165-1612
Mfr. Part No.KPB-3025ESGC
BrandKingbright
SGD0.237
Each (On a Reel of 2000)
units
Green, Red 3025 (1210) Surface Mount 2 2.5 V 15 mcd - 4 120 ° - Rectangle 568 / 625 nm 3 x 1.25mm -
RS Stock No. 178-1540
Mfr. Part No.HLMP-K101
BrandBroadcom
SGD0.158
Each (On a Tape of 2000)
units
Red 3mm (T-1) Through Hole 1 1.8 V 45 mcd - 2 60 ° - Round 637 nm 3 x 4.7mm -
RS Stock No. 861-0056
Mfr. Part No.KP-3216SECK
BrandKingbright
SGD0.183
Each (In a Pack of 50)
units
Orange 3216 (1206) Surface Mount 1 2.5 V 250 mcd - 2 120 ° - Rectangle 601 nm 3.2 x 1.6 x 1.1mm -
RS Stock No. 876-8899
Mfr. Part No.LW T673-P1S1-FKPL
SGD0.419
Each (In a Pack of 25)
units
White PLCC 2 Surface Mount 1 2.75 V 45 → 224 mcd - 2 120 ° 150 → 610 mlm Round - 3 x 3.4 x 2.1mm -
RS Stock No. 711-8101
Mfr. Part No.XPERED-L1-0000-00401
BrandCree LED
SGD2.86
Each
units
Red 3535 Surface Mount 1 2.1 V - 3500mW 2 130 ° 51.7 lm Dome 630 nm 3.45 x 3.45 x 2mm -