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. 768-2356
Mfr. Part No.LXZ1-4070
BrandLumileds
£1.78
Each (In a Pack of 2)
Units
White - Surface Mount 16 2.9 V - - 2 - - Round - 1.3 x 1.7 x 0.69mm 4000K
RS Stock No. 165-1680
Mfr. Part No.L-47XEC
BrandKingbright
£0.051
Each (In a Bag of 1000)
Units
Red 3mm (T-1) Through Hole 1 2.5 V 12 mcd - 2 130 ° - Round 617 nm 2.9 (Dia.) x 4.3mm -
RS Stock No. 862-4506
Mfr. Part No.KM2520CGCK09
BrandKingbright
£0.152
Each (In a Pack of 25)
Units
Green Subminiature Surface Mount 1 2.5 V 800 mcd - 2 20 ° - Dome 570 nm 2.5 x 2 x 2.8mm -
RS Stock No. 247-1892
Mfr. Part No.DLC2/6ED
BrandKingbright
£2.00
Each
Units
Red-Orange 20 mm Through Hole 6 6 → 8 V 54 mcd - 2 120 ° - Round 625 nm 20mm -
RS Stock No. 229-2554
Mfr. Part No.L-483YDT
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Yellow 5mm (T-1 3/4) Through Hole 1 2.1 V 3 mcd - 2 100 ° - Round 588 nm 5mm -
RS Stock No. 912-8365
Mfr. Part No.LB G6SP-V2BB-35-1
£0.343
Each (On a Reel of 1000)
Units
Blue PLCC 6 Surface Mount 1 3.6 V 1.9 cd - 6 120 ° 5.3 lm Round 470 nm 3.5 x 3 x 2.1mm -
RS Stock No. 923-1199
Mfr. Part No.LXZ2-5770
BrandLumileds
£0.898
Each (On a Reel of 2000)
Units
White 2016 (0806) Surface Mount 1 2.85 V - - 2 120 ° 215 lm Rectangle - 1.64 x 0.68 x 2.04mm 5700K
RS Stock No. 169-0418
Mfr. Part No.LTST-S310F2KT
BrandLite-On
£0.15
Each (On a Reel of 3000)
Units
Green, Red 3210 (1204) Side View Surface Mount 3 2.4 V, 3.8 V 280 mcd - 4 130 ° - Rectangle 470 / 525 / 624 nm 3.2 x 1mm -
RS Stock No. 716-6570
Mfr. Part No.HSMH-C190
BrandBroadcom
£0.126
Each (In a Pack of 10)
Units
Red 1608 (0603) Surface Mount 1 2.6 V 17 mcd - 2 170 ° - Rectangle 639 nm 1.6 x 0.8mm -
RS Stock No. 861-4373
Mfr. Part No.L-7104SYC-H
BrandKingbright
£0.438
Each (In a Pack of 20)
Units
Yellow 3mm (T-1) Through Hole 1 2.8 V 2 cd - 2 34 ° - Round 589 nm 2.9 (Dia.) x 4.6mm -
RS Stock No. 177-7347
Mfr. Part No.TLLG4400
BrandVishay
£0.082
Each (In a Bag of 5000)
Units
Green 3mm (T-1) Through Hole 1 1.9 V 1.2 mcd - 2 50 ° - Round 575 nm 3 x 4.5mm -
RS Stock No. 178-3046
Mfr. Part No.HLMP-6000-E0010
BrandBroadcom
£0.278
Each (In a Bag of 1000)
Units
Red Subminiature Through Hole 1 1.6 V 1.2 mcd - 2 90 ° - Dome 640 nm 2.34 x 2.21 x 2.92mm -
RS Stock No. 165-1850
Mfr. Part No.KA-3528QBS-D
BrandKingbright
£0.109
Each (On a Reel of 2000)
Units
Blue PLCC 2 Surface Mount 1 4 V 150 mcd - 2 120 ° - Round 465 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 228-5556
Mfr. Part No.L-934YD-12V
BrandKingbright
£0.40
Each (In a Pack of 5)
Units
Yellow 3mm (T-1) Through Hole 1 14 V 15 mcd - 2 60 ° - Round 588 nm 3mm -
RS Stock No. 752-9218
Mfr. Part No.NSPG300D
BrandNichia
£1.28
Each (In a Pack of 5)
Units
Green 3mm (T-1) Through Hole 1 3.6 V 34.8 → 49.5 cd - 2 - - Round - 3.1mm -
RS Stock No. 903-4591
Mfr. Part No.GSPW1651NCSE-14-TR
£1.105
Each (In a Pack of 2)
Units
Blue - Surface Mount 1 3.5 V - - - 115 ° 107 lm Round - 4.6 x 4.6 x 0.67mm 22000K
RS Stock No. 791-9774
Mfr. Part No.L1T2-5070000000000
BrandLumileds
£2.41
Each (In a Pack of 2)
Units
White 3737 Surface Mount 1 2.86 V - - 2 120 ° 369 lm @ 1000 mA Dome - 3.7 x 3.7mm 5000K
RS Stock No. 173-2205
Mfr. Part No.5988170107F
BrandDialight
£0.101
Each (On a Reel of 4000)
Units
Green 2012 (0805) Surface Mount 1 2.4 V 40 mcd - 2 140 ° - Rectangle 570 nm 2 x 1.25 x 0.7mm -
RS Stock No. 419-081
Mfr. Part No.5988170107F
BrandDialight
£0.119
Each (In a Pack of 100)
Units
Green 2012 (0805) Surface Mount 1 2.4 V 40 mcd - 2 140 ° - Rectangle 570 nm 2 x 1.25 x 0.7mm -
RS Stock No. 724-0946
Mfr. Part No.LXML-PM01-0100
BrandLumileds
£3.78
Each
Units
Green - Surface Mount 1 2.9 V - - 3 125 ° 102 lm Round 530 nm 4.61 x 3.17 x 2.1mm -
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