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. 165-4364
Mfr. Part No.KA-4040QBS-D
BrandKingbright
£0.217
Each (On a Reel of 500)
Units
Blue Side View Surface Mount 1 4 V 220 mcd - 2 120 ° - Square 465 nm 4 x 4 x 3.6mm -
RS Stock No. 124-6876
Mfr. Part No.SML-P12UTT86R
BrandROHM
£0.242
Each (In a Pack of 40)
Units
Red 1006 (0402) Surface Mount 1 2 V 85 mcd - 2 - - Square 625 nm 1 x 0.6 x 0.2mm -
RS Stock No. 162-4315
Mfr. Part No.SPMWHT541MP5WAPUS5
BrandSamsung
£0.141
Each (On a Reel of 2500)
Units
White 5630 Surface Mount 1 2.7 → 3.2 V - - 4 120 ° 34 → 36 lm Rectangular - 5 x 3 x 0.7mm 6500K
RS Stock No. 169-7978
Mfr. Part No.LN873RPX
BrandPanasonic
£0.176
Each (In a Bag of 100)
Units
Orange Rectangular Through Hole 1 2.8 V 3 mcd - 2 - - Square 630 nm 5 x 5mm -
RS Stock No. 146-0608
Mfr. Part No.L130-5780003000W21
BrandLumileds
£0.095
Each (On a Reel of 5000)
Units
White 3030 (1212) Surface Mount 1 6.6 V - - 2 - 97 lm Round - 3 x 3 x 0.52mm 5700K
RS Stock No. 906-3476
Mfr. Part No.SM0805URC
BrandBivar
£0.226
Each (In a Pack of 100)
Units
Red 2012 (0805) Surface Mount 1 2.1 V 55 mcd - 2 130 ° - Rectangle 640 nm 2 x 1.2 x 1.1mm -
RS Stock No. 888-6736
Mfr. Part No.SSL-LX20R6SOD
BrandLumex
£3.381
Each (In a Pack of 82)
Units
Orange Chip LED Through Hole 1 7.5 V 200 mcd - 2 120 ° - Dome 610 nm 13.5 (H) x 23 (Dia.)mm -
RS Stock No. 169-7988
Mfr. Part No.LNG251RKR
BrandPanasonic
£0.114
Each (In a Bag of 1000)
Units
Red Rectangular Through Hole 1 2.8 V 0.5 mcd - 2 - - Rectangle 700 nm 4 x 2mm -
RS Stock No. 810-7058
Mfr. Part No.XPCAMB-L1-0000-00201
BrandCree
£0.824
Each (In a Pack of 5)
Units
Amber 3535 Surface Mount 1 2.1 V - 2000mW 2 - 39.8 lm Square 595 nm - -
RS Stock No. 123-7538
Mfr. Part No.LXZ2-6570
BrandLumileds
£1.882
Each (In a Pack of 5)
Units
White 2016 (0806) Surface Mount 1 3.25 V - - 2 116 ° 245 lm Rectangular - 1.64 x 2.04 x 0.59mm 6500K
RS Stock No. 125-4506
Mfr. Part No.KPTBD-3216SURKZGC
BrandKingbright
£0.385
Each (In a Pack of 10)
Units
Green, Red 3216 (1206) Surface Mount 2 2.5 V, 4.1 V 600 mcd, 1000 mcd - 4 30 ° - Dome 525 nm, 630 nm 3.2 x 1.6 x 1.8mm -
RS Stock No. 168-5522
Mfr. Part No.LUW CVBP.CE-5L8L-GMKM-8E8G
£1.137
Each (On a Reel of 600)
Units
White 3030 (1212) Surface Mount 1 2.95 V 35 cd - 2 120 ° 100 → 112 lm Dome - 3.1 x 3.1 x 1.82mm -
RS Stock No. 320-8588
Mfr. Part No.SLR-322YY3F
BrandROHM
£0.261
Each (In a Pack of 10)
Units
Yellow 3mm (T-1) Through Hole 1 2.1 V 10 mcd - 2 50 ° - Rectangle 587 nm 3.1mm -
RS Stock No. 811-9373
Mfr. Part No.XPCRED-L1-R250-00301
BrandCree
£1.336
Each (On a Tape of 5)
Units
Red 3535 Surface Mount 1 2.5 V - 2000mW 2 125 ° 45.7 lm Dome 630 nm 3.45 x 3.45 x 2mm -
RS Stock No. 862-2718
Mfr. Part No.L-103YDT
BrandKingbright
£0.085
Each (In a Pack of 50)
Units
Yellow Rectangular Through Hole 1 2.5 V 4 mcd - 2 110 ° - Rectangle 588 nm 7 x 5 x 2.8mm -
RS Stock No. 862-4770
Mfr. Part No.KPJA-2107SURCK
BrandKingbright
£0.108
Each (In a Pack of 50)
Units
Red 2107 Surface Mount 1 2.5 V 220 mcd - 2 120 ° - Dome 630 nm 2.1 x 0.7 x 1.3mm -
RS Stock No. 692-1168
Mfr. Part No.LTST-S110TBKT
BrandLite-On
£0.175
Each (In a Pack of 25)
Units
Blue 3016 (1206) Side View Surface Mount 1 3.8 V 180 mcd - 2 130 ° - Rectangle 475 nm 3.2 x 1mm -
RS Stock No. 890-7722
Mfr. Part No.593-222221-002F
BrandDialight
£2.52
Each (In a Pack of 110)
Units
Green, Red - Surface Mount 3 1.75 V, 2 V 16 mcd, 29 mcd - 4 - - Dome 570 / 645 nm 4.32 x 22.61 x 16.08mm -
RS Stock No. 903-4623
Mfr. Part No.GTEW1656JTE-40Y-TR
£1.415
Each (In a Pack of 2)
Units
White - Surface Mount 1 3.25 V - - - 120 ° 125 lm Round - 5 x 5 x 1mm 4000K
RS Stock No. 890-6990
Mfr. Part No.550-3005F
BrandDialight
£0.668
Each (In a Pack of 600)
Units
Green, Red - Through Hole 1 - - - 2 60 ° - - 565 / 660 nm 6.1 x 10.84 x 6.1mm -
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