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. 787-0196
Mfr. Part No.LNJ047X8ARA
BrandPanasonic
£0.255
Each (In a Pack of 20)
Units
White 1005 (0402) Surface Mount 1 3.2 V 111 mcd - 2 - - Square - 1 x 0.5 x 0.2mm -
RS Stock No. 169-7997
Mfr. Part No.LNJ047X8ARA
BrandPanasonic
£0.157
Each (On a Reel of 8000)
Units
White 1005 (0402) Surface Mount 1 3.2 V 111 mcd - 2 - - Square - 1 x 0.5 x 0.2mm -
RS Stock No. 787-0051
Mfr. Part No.LN21RPX
BrandPanasonic
£0.167
Each (In a Pack of 25)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.8 V 4 mcd - 2 - - Round 700 nm 5mm -
RS Stock No. 169-7960
Mfr. Part No.LN21RPX
BrandPanasonic
£0.137
Each (In a Bag of 200)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.8 V 4 mcd - 2 - - Round 700 nm 5mm -
RS Stock No. 716-0506
Mfr. Part No.LNJ326W83RA1
BrandPanasonic
£0.157
Each (In a Pack of 20)
Units
Yellow-Green 1608 (0603) Surface Mount 1 2.5 V 18 mcd - 2 - - Rectangle 572 nm 1.6 x 0.8mm -
RS Stock No. 168-3740
Mfr. Part No.LNJ326W83RA1
BrandPanasonic
£0.219
Each (On a Reel of 5000)
Units
Green, Yellow 1608 (0603) Surface Mount 1 2.5 V 18 mcd - 2 - - Rectangle 572 nm 1.6 x 0.8mm -
RS Stock No. 169-7982
Mfr. Part No.LNG21LRKR
BrandPanasonic
£0.137
Each (In a Bag of 100)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.8 V 4 mcd - 2 - - Round 700 nm 5mm -
RS Stock No. 787-0140
Mfr. Part No.LNG21LRKR
BrandPanasonic
£0.167
Each (In a Pack of 25)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.8 V 4 mcd - 2 - - Round 700 nm 5mm -
RS Stock No. 787-0272
Mfr. Part No.LNJ998CKCDA
BrandPanasonic
£0.539
Each (In a Pack of 10)
Units
Blue 3mm (T-1) Through Hole 1 4 V 400 mcd - 2 - - Round 472 nm 3mm -
RS Stock No. 169-7987
Mfr. Part No.LNG312GKG
BrandPanasonic
£0.084
Each (In a Bag of 100)
Units
Yellow-Green Triangular Through Hole 1 2.8 V 5 mcd - 2 - - Triangular 565 nm 4 x 4.5mm -
RS Stock No. 787-0156
Mfr. Part No.LNG312GKG
BrandPanasonic
£0.186
Each (In a Pack of 25)
Units
Yellow-Green Triangular Through Hole 1 2.8 V 5 mcd - 2 - - Triangular 565 nm 4 x 4.5mm -
RS Stock No. 169-8008
Mfr. Part No.LNJ998CKCDA
BrandPanasonic
£0.372
Each (In a Bag of 1000)
Units
Blue 3mm (T-1) Through Hole 1 4 V 400 mcd - 2 - - Round 472 nm 3mm -
RS Stock No. 169-7967
Mfr. Part No.LN29RCPX
BrandPanasonic
£0.077
Each (In a Bag of 100)
Units
Red 4 mm Through Hole 1 2.8 V 3.5 mcd - 2 - - Round 700 nm 4mm -
RS Stock No. 787-0077
Mfr. Part No.LN29RCPX
BrandPanasonic
£0.094
Each (In a Pack of 25)
Units
Red 4 mm Through Hole 1 2.8 V 3.5 mcd - 2 - - Round 700 nm 4mm -
RS Stock No. 169-8097
Mfr. Part No.LNJ647W8CRA
BrandPanasonic
£0.09
Each (On a Reel of 5000)
Units
Green 1005 (0402) Surface Mount 2 3.6 V 180 mcd - 2 - - Square 538 nm 0.7 x 0.5 x 0.2mm -
RS Stock No. 851-3438
Mfr. Part No.LNJ647W8CRA
BrandPanasonic
£0.096
Each (In a Pack of 10)
Units
Green 1005 (0402) Surface Mount 2 3.6 V 180 mcd - 2 - - Square 538 nm 0.7 x 0.5 x 0.2mm -
RS Stock No. 716-0534
Mfr. Part No.LNJ437W84RA
BrandPanasonic
£0.196
Each (In a Pack of 20)
Units
Amber 1608 (0603) Surface Mount 1 2.3 V 25 mcd - 2 - - Rectangle 590 nm 1.6 x 0.8mm -
RS Stock No. 716-0528
Mfr. Part No.LNJ037X8ARA
BrandPanasonic
£0.294
Each (In a Pack of 10)
Units
White 1608 (0603) Surface Mount 1 3.2 V 60 mcd - 2 - - Rectangle - 1.6 x 0.8mm -
RS Stock No. 168-3746
Mfr. Part No.LNJ437W84RA
BrandPanasonic
£0.088
Each (On a Reel of 5000)
Units
Amber 1608 (0603) Surface Mount 1 2.3 V 25 mcd - 2 - - Rectangle 590 nm 1.6 x 0.8mm -
RS Stock No. 168-3744
Mfr. Part No.LNJ037X8ARA
BrandPanasonic
£0.137
Each (On a Reel of 5000)
Units
White 1608 (0603) Surface Mount 1 3.2 V 60 mcd - 2 - - Rectangle - 1.6 x 0.8mm -