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. 127-8417
Mfr. Part No.LTST-C194TBKT
BrandLite-On
MYR0.941
Each (In a Pack of 50)
units
Blue 1608 (0603) Surface Mount 1 3.8 V 180 mcd - 2 130 ° - Rectangular 475 nm 1.6 x 0.8 x 0.3mm -
RS Stock No. 915-4771
Mfr. Part No.LR H9GP-HZKX-1
MYR8.38
Each (In a Pack of 5)
units
Red - Surface Mount 1 2.15 V 29.6 cd - 2 90 ° 39 → 82 lm Round 625 nm 3.95 x 3.95 x 2.41mm -
RS Stock No. 787-7087
Mfr. Part No.XBDRED-00-0000-000000701
BrandCree
MYR5.446
Each (In a Pack of 5)
units
Red - Surface Mount 1 2.25 V - 3000mW 2 - 67.2 lm Dome 630 nm 2.45 x 2.45 x 1.84mm -
RS Stock No. 168-9744
Mfr. Part No.LTST-C191TBKT
BrandLite-On
MYR0.282
Each (On a Reel of 5000)
units
Blue 1608 (0603) Surface Mount 1 3.8 V 180 mcd - 2 130 ° - Rectangle 475 nm 1.6 x 0.8mm -
RS Stock No. 161-2786
Mfr. Part No.SLI-343MC3F
BrandROHM
MYR0.595
Each (In a Pack of 50)
units
Green SLI-343 Through Hole 1 2.1 V 200 mcd - 2 40 ° - Round 572 nm 3.8 (Dia.) x 5.4mm -
RS Stock No. 175-1854
Mfr. Part No.GW CSSRM2.PM-M9N1-A737-1
MYR4.552
Each (On a Reel of 600)
units
White - Surface Mount 1 3.2 V - - 3 120 ° 290 lm Square - 3 x 2.09 x 3mm -
RS Stock No. 137-1079
Mfr. Part No.7011X1/5
BrandVCC
MYR2.145
Each (On a Reel of 2500)
units
Green, Red 3025 (1210) Surface Mount - 2.1 V 7.5 mcd, 17 mcd - - 100 ° - Rectangle 560 nm, 660 nm 3 x 2.5 x 1.5mm -
RS Stock No. 813-4943
Mfr. Part No.HSMF-C157
BrandBroadcom
MYR1.193
Each (On a Tape of 30)
units
Green, Orange 3225 (1210) Surface Mount 2 2.2 V 8 mcd - 4 170 ° - Rectangle 572 nm 3.2 x 2.7 x 1.1mm -
RS Stock No. 178-0547
Mfr. Part No.SML-D15DWT86C
BrandROHM
MYR1.20
Each (In a Pack of 50)
units
Orange 1608 (0603) Surface Mount 1 2 V 224 mcd - 2 - - Rectangle 607 nm 1.6 x 0.8 x 0.55mm -
RS Stock No. 122-4688
Mfr. Part No.XPGDWT-H1-0000-00G7E
BrandCree
MYR4.255
Each (On a Reel of 1000)
units
White 3535 Surface Mount 1 3.06 V - - 2 125 ° 142 (Minimum) lm Dome - 3.45 x 3.45 x 2.26mm 3000K
RS Stock No. 708-2765
Mfr. Part No.TLHR4405
BrandVishay
MYR1.28
Each (In a Bag of 50)
units
Red 3mm (T-1) Through Hole 1 3 V 10 mcd - 2 60 ° - Round 625 nm 3mm -
RS Stock No. 145-1479
Mfr. Part No.L-7679C1SURC-G
BrandKingbright
MYR2.613
Each (In a Tube of 75)
units
Red Super Flux Through Hole 1 2.6 V 3.2 cd - 4 70 ° 1.2 lm Dome 630 nm 7.62 x 7.62 x 3.9mm -
RS Stock No. 161-2715
Mfr. Part No.SLR-325VRT31
BrandROHM
MYR1.33
Each (In a Pack of 50)
units
Red SLR-325 Through Hole 1 2 V 10 mcd - 2 40 ° - Dome 650 nm 6 x 3.8 x 5.5mm -
RS Stock No. 137-2018
Mfr. Part No.NV4W144ART-5070
BrandNichia
MYR35.013
Each (On a Reel of 1500)
units
White 3030 (1212) Surface Mount 1 12.8 V 351 cd - 2 - 1290 lm Rectangle - 3 x 3 x 0.52mm 5000K
RS Stock No. 178-1604
Mfr. Part No.ASMT-UWB2-NX3A2
BrandBroadcom
MYR0.971
Each (On a Reel of 2000)
units
White PLCC 2 Surface Mount 1 3.2 V 3550 mcd - 2 120 ° - - - 3.2 x 2.8 x 1.8mm 8000K
RS Stock No. 168-5504
Mfr. Part No.GW JDSMS1.EC-FTGP-5O8Q-L1N2
MYR0.585
Each (On a Reel of 2000)
units
White PLCC 4 Surface Mount 1 3.15 V 16.4 cd - 4 120 ° 48200 mlm Rectangle - 5.4 x 3.1 x 0.87mm 3500K
RS Stock No. 169-7751
Mfr. Part No.KPG1-1608CGC-TT
BrandKingbright
MYR1.104
Each (On a Reel of 4000)
units
Green 1608 (0603) Surface Mount 1 2.4 V 35 mcd - 2 120 ° - Rectangle 571 nm 1.6 x 0.8 x 0.2mm -
RS Stock No. 151-2583
Mfr. Part No.GW JDSTS2.EM-HPHR-A838-1
MYR0.584
Each (On a Reel of 2000)
units
White - Surface Mount 1 3.2 V - - 4 120 at 50 % ° 35.9 lm Dome - 5.3 x 3 x 0.6mm 2700K
RS Stock No. 162-3740
Mfr. Part No.150060RS75000
MYR0.409
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. 137-2146
Mfr. Part No.NVSL219CT-4070
BrandNichia
MYR12.972
Each (In a Pack of 5)
units
White 3535 Surface Mount 1 3.3 V 91 cd - 2 - 340 lm Rectangle - 3.5 x 3.5 x 2mm 4000K