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. 700-7954
Mfr. Part No.SML-510MWT86
BrandROHM
PHP12.886
Each (In a Pack of 5)
units
Green 1608 (0603) Surface Mount 1 2.2 V 16 mcd - 2 - - Rectangle 570 nm 1.6 x 0.8 x 0.55mm -
RS Stock No. 178-986
Mfr. Part No.SLR-56VC3F
BrandROHM
PHP20.276
Each (In a Pack of 10)
units
Red 5mm (T-1 3/4) Through Hole 1 2 V 25 mcd - 2 40 ° - Round 630 nm 5mm -
RS Stock No. 182-8046
Mfr. Part No.CSL0406WBCW1
BrandROHM
PHP35.332
Each (On a Reel of 2000)
units
White 2812 Surface Mount 1 3.2 V 2200 mcd - 2 - - - - 2.8 x 1.2 x 0.8mm -
RS Stock No. 182-8127
Mfr. Part No.CSL0406WBCW1
BrandROHM
PHP23.369
Each (In a Pack of 20)
units
White 2812 Surface Mount 1 3.2 V 2200 mcd - 2 - - - - 2.8 x 1.2 x 0.8mm -
RS Stock No. 475-2496
Mfr. Part No.SLI-560DT3F
BrandROHM
PHP25.014
Each (In a Pack of 5)
units
Orange 5mm (T-1 3/4) Through Hole 1 1.9 V 1 cd - 2 40 ° - Round 611 nm 5mm -
RS Stock No. 700-7831
Mfr. Part No.SML-010LTT86
BrandROHM
PHP11.636
Each (In a Pack of 5)
units
Red 3020 (1208) Surface Mount 1 1.75 V 16 mcd - 2 - - Rectangle 660 nm 3 x 2 x 1.3mm -
RS Stock No. 752-6928
Mfr. Part No.SMLP36RGB1W3
BrandROHM
PHP50.354
Each (In a Pack of 5)
units
RGB 1010 (0404) Surface Mount 3 2.1 V, 3 V, 3.1 V 18 mcd, 28 mcd, 45 mcd - 4 - - Rectangle 475 / 535 / 629 nm 1.5 x 1mm -
RS Stock No. 700-7941
Mfr. Part No.SML-311YTT86
BrandROHM
PHP12.018
Each (In a Pack of 10)
units
Yellow 1608 (0603) Surface Mount 1 1.8 V 2.5 mcd - 2 - - Rectangle 587 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 169-0554
Mfr. Part No.SML-311YTT86
BrandROHM
PHP3.791
Each (On a Reel of 3000)
units
Yellow 1608 (0603) Surface Mount 1 1.8 V 2.5 mcd - 2 - - Rectangle 587 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 124-6885
Mfr. Part No.SMLVN6RGB1W1
BrandROHM
PHP34.556
Each (In a Pack of 10)
units
RGB 3528 (1411) Surface Mount 3 2.1 V, 3.3 V 1200 (Green) mcd, 400 (Blue) mcd, 700 (Red) mcd - 6 - - Rectangular 475 (Blue) nm, 535 (Green) nm, 629 (Red) nm 3.1 x 2.8 x 0.6mm -
RS Stock No. 124-6848
Mfr. Part No.SCMP13WBC8W1
BrandROHM
PHP6.436
Each (In a Pack of 40)
units
White 1006 (0402) Surface Mount 1 2.9 V 150 mcd - 2 - - Square - 1 x 0.6 x 0.2mm -
RS Stock No. 169-0536
Mfr. Part No.SML-010LTT86
BrandROHM
PHP6.678
Each (On a Reel of 2500)
units
Red 3020 (1208) Surface Mount 1 1.75 V 16 mcd - 2 - - Rectangle 660 nm 3 x 2 x 1.3mm -
RS Stock No. 320-8550
Mfr. Part No.SLR-322VC3F
BrandROHM
PHP17.991
Each (In a Pack of 10)
units
Red 3mm (T-1) Through Hole 1 2 V 16 mcd - 2 35 ° - Rectangle 630 nm 3.1mm -
RS Stock No. 475-2519
Mfr. Part No.SML-310BATT86
BrandROHM
PHP45.15
Each (In a Pack of 5)
units
Blue 1608 (0603) Surface Mount 1 3.8 V 4 mcd - 2 - - Rectangle 428 nm 1608mm -
RS Stock No. 700-3609
Mfr. Part No.SML-P24MUWT86M
BrandROHM
PHP16.886
Each (In a Pack of 5)
units
Green, Red 1010 (0404) Surface Mount 2 2.1 V, 2.2 V 52 mcd - 4 - - Square 575 / 625 nm 1 x 1mm -
RS Stock No. 752-6789
Mfr. Part No.SML-311WTT86
BrandROHM
PHP8.893
Each (In a Pack of 10)
units
Yellow 1608 (0603) Surface Mount 1 1.8 V 2.5 mcd - 2 - - Rectangle 593 nm 1.6 x 0.8mm -
RS Stock No. 752-6956
Mfr. Part No.SMLV56RGB1W1
BrandROHM
PHP84.53
Each (In a Pack of 5)
units
Green, Red 3528 (1411) Surface Mount 3 2.1 V, 3.3 V 400 mcd, 700 mcd, 1200 mcd - 6 - - Rectangle 475 / 535 / 629 nm 3.5 x 2.8mm -
RS Stock No. 752-6981
Mfr. Part No.SML-Z14P4TT86
BrandROHM
PHP18.37
Each (In a Pack of 10)
units
Green 3528 (1411) Surface Mount 1 2.1 V 56 mcd - 2 - - Round 564 nm 3.5 x 2.8mm -
RS Stock No. 700-7871
Mfr. Part No.SML-012UTT86
BrandROHM
PHP7.324
Each (In a Pack of 5)
units
Red 3020 (1208) Surface Mount 1 2 V 100 mcd - 2 - - Rectangle 630 nm 3 x 2 x 1.3mm -
RS Stock No. 475-2452
Mfr. Part No.SLI-570DT3F
BrandROHM
PHP23.822
Each (In a Pack of 5)
units
Orange 5mm (T-1 3/4) Through Hole 1 1.9 V 3 cd - 2 25 ° - Round 611 nm 5mm -