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. 178-1542
Mfr. Part No.HLMP-CE34-Y1CDD
BrandBroadcom
£0.231
Each (In a Bag of 2000)
Units
Cyan 5mm (T-1 3/4) Through Hole 1 3.2 V 21 cd - 2 30 ° 2.1 lm Round 505 nm 5 x 8.65mm -
RS Stock No. 769-3551
Mfr. Part No.HLMP-CE34-Y1CDD
BrandBroadcom
£0.452
Each (In a Pack of 10)
Units
Cyan 5mm (T-1 3/4) Through Hole 1 3.2 V 21 cd - 2 30 ° 2.1 lm Round 505 nm 5 x 8.65mm -
RS Stock No. 466-3554
Mfr. Part No.L-7104SYC-E
BrandKingbright
£0.269
Each (In a Pack of 10)
Units
Yellow 3mm (T-1) Through Hole 1 2 V 870 mcd - 2 34 ° - Round 595 nm 3 x 4.6mm -
RS Stock No. 577-819
Mfr. Part No.L-819EGW
BrandKingbright
£2.00
Each
Units
Green, Red 10 mm Through Hole 2 2 V, 2.2 V 50 mcd - 3 50 ° - Round 568 / 625 nm 10 x 13.5mm -
RS Stock No. 577-718
Mfr. Part No.L-793SRD-E
BrandKingbright
£2.00
Each
Units
Red 8 mm Through Hole 1 1.85 V 500 mcd - 2 60 ° - Round 640 nm 8mm -
RS Stock No. 848-6503
Mfr. Part No.L-934SRC-J4
BrandKingbright
£0.398
Each (In a Pack of 25)
Units
Red 3mm (T-1) Through Hole 1 2.1 V 4.5 cd - 2 34 ° - Round 640 nm 3 x 4.6mm -
RS Stock No. 861-0175
Mfr. Part No.KPT-2012EC
BrandKingbright
£0.067
Each (In a Pack of 100)
Units
Red 2012 (0805) Surface Mount 1 2.5 V 15 mcd - 2 120 ° - Rectangle 617 nm 2.0 x 1.25 x 0.75mm -
RS Stock No. 229-2447
Mfr. Part No.L-13GD
BrandKingbright
£0.152
Each (In a Pack of 5)
Units
Green 2 mm Through Hole 1 2.2 V 10 mcd - 2 70 ° - Round 568 nm 2 x 8mm -
RS Stock No. 165-1781
Mfr. Part No.L-934SRC-J4
BrandKingbright
£0.219
Each (In a Bag of 500)
Units
Red 3mm (T-1) Through Hole 1 2.1 V 4.5 cd - 2 34 ° - Round 640 nm 3 x 4.6mm -
RS Stock No. 165-1842
Mfr. Part No.KPT-2012EC
BrandKingbright
£0.045
Each (On a Reel of 2000)
Units
Red 2012 (0805) Surface Mount 1 2.5 V 15 mcd - 2 120 ° - Rectangle 617 nm 2.0 x 1.25 x 0.75mm -
RS Stock No. 162-9718
Mfr. Part No.C503B-RAN-CA0B0AA1
BrandCree
£0.118
Each (In a Bag of 500)
Units
Red - Through Hole 1 2.6 V 23500 mcd - 2 15 ° - Round 630 nm 5.8 (Dia.) x 8.8 (H)mm -
RS Stock No. 247-1606
Mfr. Part No.L-934SGC
BrandKingbright
£0.136
Each (In a Pack of 5)
Units
Green 3mm (T-1) Through Hole 1 2.2 V 150 mcd - 2 50 ° - Round 568 nm 3 x 4.6mm -
RS Stock No. 904-7367
Mfr. Part No.C503B-RAN-CA0B0AA1
BrandCree
£0.13
Each (In a Pack of 50)
Units
Red - Through Hole 1 2.6 V 23500 mcd - 2 15 ° - Round 630 nm 5.8 (Dia.) x 8.8 (H)mm -
RS Stock No. 713-4015
Mfr. Part No.NSPWF50DS
BrandNichia
£1.246
Each (In a Pack of 5)
Units
White Rectangular Through Hole 1 3.5 V 680 → 1920 mcd - 2 130 → 120 ° - Rectangle - 4.6 x 2mm -
RS Stock No. 228-5039
Mfr. Part No.L4RR5000H1D1
BrandLedtech
£0.40
Each (In a Pack of 5)
Units
Red 5mm (T-1 3/4) Through Hole 1 3 V 50 mcd - 2 30 ° - Round 635 nm 5mm -
RS Stock No. 590-187
Mfr. Part No.L-813GD
BrandKingbright
£0.212
Each (In a Pack of 5)
Units
Green 10 mm Through Hole 1 2.2 V 60 mcd - 2 60 ° - Round 568 nm 10 x 13.5mm -
RS Stock No. 922-5683
Mfr. Part No.HSMG-C190
BrandBroadcom
£0.059
Each (On a Reel of 4000)
Units
Green 1608 (0603) Surface Mount 1 2.2 V 15 mcd - 2 170 ° - Rectangle 572 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 450-985
Mfr. Part No.HSMG-C190
BrandBroadcom
£0.224
Each (In a Pack of 50)
Units
Green 1608 (0603) Surface Mount 1 2.2 V 15 mcd - 2 170 ° - Rectangle 572 nm 1.6 x 0.8 x 0.8mm -
RS Stock No. 912-8438
Mfr. Part No.LW T67C-S2V1-5K8L
£0.109
Each (On a Reel of 2000)
Units
White PLCC 2 Surface Mount 1 3.2 V 562 mcd - 2 120 ° 1.58 lm Round - 3.4 x 3 x 2.1mm 5600K
RS Stock No. 654-4304
Mfr. Part No.LG L29K-F2J1-24
£0.215
Each (In a Pack of 50)
Units
Green 1608 (0603) Surface Mount 1 1.7 V 3.5 mcd - 2 160 ° 0.009 lm Rectangle 570 nm 1.7 x 0.8 x 0.65mm -
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This family of LEDs, from Kingbright, are multi-colour devices. They come in bi-colour and full colour options in various through hole package types. There are also water clear and diffused lens types.The multi-colour LEDs offer long life solid-state reliability with low power consumptions. Their uniform light output makes them ideal ...
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This family of LEDs, from Kingbright, are multi-colour devices. They come in bi-colour and full colour options in various through hole package types. There are also water clear and diffused lens types.The multi-colour LEDs offer long life solid-state reliability with low power consumptions. Their uniform light output makes them ideal ...
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