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. 146-0091
Mfr. Part No.150141M173100
£0.255
Each (On a Reel of 2000)
Units
RGB 3528 (1411) Surface Mount 3 2 V, 3.2 V 230 mcd, 270 mcd, 950 mcd - 4 120 ° - Round 470 / 520 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 815-4332
Mfr. Part No.150141M173100
£0.363
Each (In a Pack of 25)
Units
RGB 3528 (1411) Surface Mount 3 2 V, 3.2 V 230 mcd, 270 mcd, 950 mcd - 4 120 ° - Round 470 / 520 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 162-3740
Mfr. Part No.150060RS75000
£0.078
Each (On a Reel of 4000)
Units
Red 1608 (0603) Surface Mount 1 2.4 V 250 mcd - 2 140 ° - Rectangle 625 nm 1.6 x 0.8 x 0.7mm -
RS Stock No. 815-4203
Mfr. Part No.150060RS75000
£0.088
Each (In a Pack of 100)
Units
Red 1608 (0603) Surface Mount 1 2.4 V 250 mcd - 2 140 ° - Rectangle 625 nm 1.6 x 0.8 x 0.7mm -
RS Stock No. 815-4366
Mfr. Part No.151053BS04500
£0.157
Each (In a Pack of 50)
Units
Blue 5mm (T-1 3/4) Through Hole 1 3.6 V 2 cd - 2 45 ° - Round 465 nm 4.9 (Dia.) x 8.7mm -
RS Stock No. 162-3774
Mfr. Part No.151053BS04500
£0.118
Each (In a Bag of 500)
Units
Blue 5mm (T-1 3/4) Through Hole 1 3.6 V 2 cd - 2 45 ° - Round 465 nm 4.9 (Dia.) x 8.7mm -
RS Stock No. 162-3762
Mfr. Part No.150141RV73100
£0.167
Each (On a Reel of 2000)
Units
Green, Red 3528 (1411) Surface Mount 2 2 V 60 mcd, 250 mcd - 4 120 ° - Round 572 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 815-4335
Mfr. Part No.150141RV73100
£0.245
Each (In a Pack of 50)
Units
Green, Red 3528 (1411) Surface Mount 2 2 V 60 mcd, 250 mcd - 4 120 ° - Round 572 / 625 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 146-0095
Mfr. Part No.151033BS03000
£0.137
Each (In a Bag of 500)
Units
Blue 3mm (T-1) Through Hole 1 3.6 V 3.8 cd - 2 30 ° - Round 470 nm 3 (Dia.) x 5.3mm -
RS Stock No. 815-4313
Mfr. Part No.150141BS73100
£0.118
Each (In a Pack of 100)
Units
Blue 3528 (1411) Surface Mount 1 3.2 V 270 mcd - 2 120 ° - Round 470 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 162-3759
Mfr. Part No.150141BS73100
£0.088
Each (On a Reel of 2000)
Units
Blue 3528 (1411) Surface Mount 1 3.2 V 270 mcd - 2 120 ° - Round 470 nm 3.2 x 2.8 x 1.75mm -
RS Stock No. 815-4357
Mfr. Part No.151033BS03000
£0.176
Each (In a Pack of 50)
Units
Blue 3mm (T-1) Through Hole 1 3.6 V 3.8 cd - 2 30 ° - Round 470 nm 3 (Dia.) x 5.3mm -
RS Stock No. 162-3784
Mfr. Part No.156120BS75000
£0.176
Each (On a Reel of 2000)
Units
Blue 3216 (1206) Surface Mount - 3.2 V 50 mcd - - 140 ° - Rectangle 470 nm 3.2 x 1.6 x 1.2mm -
RS Stock No. 900-8921
Mfr. Part No.156120BS75000
£0.216
Each (In a Pack of 50)
Units
Blue 3216 (1206) Surface Mount - 3.2 V 50 mcd - - 140 ° - Rectangle 470 nm 3.2 x 1.6 x 1.2mm -
RS Stock No. 815-4350
Mfr. Part No.151053RS03000
£0.157
Each (In a Pack of 50)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.6 V 5 cd - 2 30 ° - Round 623 nm 4.9 (Dia.) x 8.7mm -
RS Stock No. 815-4209
Mfr. Part No.150060GS75000
£0.088
Each (In a Pack of 100)
Units
Green 1608 (0603) Surface Mount 1 3.5 V 430 mcd - 2 140 ° - Rectangle 520 nm 1.6 x 0.8 x 0.7mm -
RS Stock No. 162-3739
Mfr. Part No.150060GS75000
£0.078
Each (On a Reel of 4000)
Units
Green 1608 (0603) Surface Mount 1 3.5 V 430 mcd - 2 140 ° - Rectangle 520 nm 1.6 x 0.8 x 0.7mm -
RS Stock No. 162-3776
Mfr. Part No.151053RS03000
£0.137
Each (In a Bag of 500)
Units
Red 5mm (T-1 3/4) Through Hole 1 2.6 V 5 cd - 2 30 ° - Round 623 nm 4.9 (Dia.) x 8.7mm -
RS Stock No. 901-0930
Mfr. Part No.151034GS03000
£0.094
Each (In a Bag of 500)
Units
Green 3mm (T-1) Through Hole 1 2.6 V 850 → 2600 mcd - 2 30 ° - Round 621 nm 3 (Dia.) x 5.3mm -
RS Stock No. 901-0936
Mfr. Part No.151034BS03000
£0.122
Each (In a Bag of 500)
Units
Blue 3mm (T-1) Through Hole 1 3.6 V 850 → 2400 mcd - 2 30 ° - Round 470 nm 3 (Dia.) x 5.3mm -