LED Indicator Lamps

LED (light emitting diode) indicator lamps are a type of LED lamp used to display when a change occurs in an electrical circuit. For example, when something has malfunctioned in an electrical system, a red or orange LED indicator lamp may be used to alert a worker. Other applications include in phone voicemail systems and dashboard lights. LED indicator lamps usually consist of a single bulb, unlike other types of LED lamps such as LED circular arrays

What are the advantages of LED indicator lamps?

Compared with traditional incandescent lamps, LED lamps are much more energy efficient. They also have a much longer lifespan than incandescent lamps. Unlike fluoresccent lights, they do not require a warm-up period after being switched on, reaching maximum brightness instantly.

Types of LED indicator lamps

LED indicator lamps come in a variety of different colours depending on your needs. They also vary by the intensity of the light produced, by size, and by longevity.


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Description Price Voltage Rating Light Output Colour Intensity Lamp Base Lamp Size Chip Type Diameter Length Viewing Angle Peak Wavelength Current Rating Life Hours
RS Stock No. 168-3876
Mfr. Part No.LE-0504-01W
TWD28.50
Each (In a Box of 100)
units
12 V dc White - Wedge 5 mm - 4.5mm 20.3 mm 95° - 15 mA -
RS Stock No. 238-8245
Mfr. Part No.210-501-21-38
BrandMarl
TWD189.00
Each
units
12 V dc Red 11000 mcd E10 9 mm Single Chip 4.9mm 22.1 mm 120° 643 nm 20 mA 100000h
RS Stock No. 238-8251
Mfr. Part No.210-532-21-38
BrandMarl
TWD400.00
Each
units
12 V dc Green 23000 mcd E10 9 mm Single Chip 4.9mm 22.1 mm 120° 527 nm 20 mA 100000h
RS Stock No. 797-2413
Mfr. Part No.Z-G4-9WW
TWD389.00
Each
units
12 V ac/dc, 24 V dc Warm White - G-4 - Multichip - 34 mm 120° - 125 mA -
RS Stock No. 211-572
BrandRS PRO
TWD312.00
Each
units
24 V ac/dc Green 3 x 1610 mcd E10 - Multichip 10mm 26.5 mm - 525 nm 9/17 mA -
RS Stock No. 168-3952
Mfr. Part No.LE-BA9S-6W
TWD85.40
Each (In a Bag of 100)
units
6 V ac/dc White 13000 mcd BA9s 9 mm - 9.6mm 24 mm 30° - 20 mA -
RS Stock No. 168-3964
Mfr. Part No.LE-0509-01Y
TWD21.80
Each (In a Bag of 100)
units
24 V Yellow - Wedge T-1 3/4 - 4.5mm 20.3 mm 95° 595 nm 15 mA -
RS Stock No. 168-3968
Mfr. Part No.Z-T55-R
TWD98.70
Each (In a Box of 100)
units
36 V dc Red 1000 mcd Telephone Slide T5.5 Single Chip 4.5mm 30 mm 30° 622 nm 20 A -
RS Stock No. 238-8267
Mfr. Part No.210-521-21-38
BrandMarl
TWD268.00
Each
units
12 V dc Yellow 16000 mcd E10 9 mm Single Chip 4.9mm 22.1 mm 120° 591 nm 20 mA 100000h
RS Stock No. 209-377
BrandRS PRO
TWD213.00
Each
units
24 V ac/dc White 900 mcd Wedge 6.1 mm Single Chip 5.75mm 16.75 mm - X=0.31 nm, Y=0.32 nm 9 (dc) mA, 15 (dc) mA 100000h
RS Stock No. 205-094
BrandRS PRO
TWD143.00
Each
units
24 V dc Green 65 mcd Telephone Slide 6.8 mm Multichip 6.8mm 45 mm 180° 565 nm 15 mA 60000h
RS Stock No. 211-588
BrandRS PRO
TWD315.00
Each
units
24 V ac/dc Yellow 3 x 630 mcd E10 - Multichip 10mm 26.5 mm - 587 nm 9/17 mA -
RS Stock No. 168-3885
Mfr. Part No.LE-0503-03UV
TWD33.50
Each (In a Box of 100)
units
12 V dc Ultra Violet - Wedge 9 mm - 10mm 27.5 mm 25° 405 nm 15 mA -
RS Stock No. 407-029
Mfr. Part No.A1624DY
BrandOmron
TWD216.00
Each (In a Pack of 3)
units
24 V dc Yellow - - - - - - - - 10 mA -
RS Stock No. 212-339
BrandRS PRO
TWD400.00
Each
units
24 V dc Yellow 65 mcd BA9s 10 mm Multichip 11mm 28 mm 180° 588 nm 35 mA 60000h
RS Stock No. 226-007
BrandRS PRO
TWD246.00
Each
units
28 V ac/dc White 1500 mcd Telephone Slide 6.8 mm Single Chip 6.8mm 45 mm - X=0.31 nm, Y=0.32 nm 15 mA 100000h
RS Stock No. 283-0099
Mfr. Part No.215-997-21-38
BrandMarl
TWD366.00
Each
units
12 V dc White 14000 mcd BA9s 9 mm Single Chip 4.9mm 26 mm 120° - 20 mA 100000h
RS Stock No. 168-3953
Mfr. Part No.LE-BA9S-12W
TWD82.40
Each (In a Box of 100)
units
12 → 14 V ac/dc White 7000 mcd BA9s 9 mm - 9.6mm 24 mm 50° - 20 mA -
RS Stock No. 111-5944
Mfr. Part No.10-2601.3172S
BrandEAO
TWD88.30
Each (In a Pack of 3)
units
2 V dc - 160 mcd - - - - - - - - -
RS Stock No. 238-7696
Mfr. Part No.205-532-23-38
BrandMarl
TWD402.00
Each
units
24 → 28 V dc Green 23000 mcd Midget Groove 5 mm Single Chip 4.9mm 15 mm 120° 527 nm 20 mA 100000h