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
$1.421
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. 336-097
Mfr. Part No.LE-0503-03W
$2.176
Each (In a Pack of 5)
units
12 V dc White - Wedge 9 mm - 10mm 27.5 mm 22° - 15 mA -
RS Stock No. 168-3881
Mfr. Part No.LE-0503-03W
$1.421
Each (In a Box of 100)
units
12 V dc White - Wedge 9 mm - 10mm 27.5 mm 22° - 15 mA -
RS Stock No. 335-987
Mfr. Part No.LE-0509-02W
$2.918
Each (In a Pack of 5)
units
24 V dc White - Wedge 9 mm - 10mm 28.5 mm 30° - 20 mA -
RS Stock No. 336-003
Mfr. Part No.LE-0504-01W
$2.176
Each (In a Pack of 5)
units
12 V dc White - Wedge 5 mm - 4.5mm 20.3 mm 95° - 15 mA -
RS Stock No. 168-3970
Mfr. Part No.LE-BA9S-24W
$4.773
Each (In a Box of 100)
units
24 V ac/dc White 7000 mcd BA9s T-3 1/4 - 9.6mm 24 mm 30° - 20 mA -
RS Stock No. 769-3003
Mfr. Part No.LE-BA9S-24W
$8.355
Each (In a Pack of 2)
units
24 V ac/dc White 7000 mcd BA9s T-3 1/4 - 9.6mm 24 mm 30° - 20 mA -
RS Stock No. 406-975
Mfr. Part No.A1612DR
BrandOmron
$15.773
Each (In a Pack of 3)
units
12 V dc Red - - - - - - - - 15 mA -
RS Stock No. 282-9645
Mfr. Part No.215-501-25-38
BrandMarl
$16.06
Each
units
110 V dc Red 685 mcd BA9s 9 mm Single Chip 4.8mm 26 mm 120° 660 nm 3 mA 100000h
RS Stock No. 209-377
BrandRS PRO
$18.90
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. 210-917
BrandRS PRO
$26.51
Each
units
24 V ac/dc Green 170/160 mcd BA9s - Multichip 10mm 28 mm 180° 585 nm 15 (dc) mA 100000h
RS Stock No. 205-741
BrandRS PRO
$18.51
Each
units
230 V ac White 410 mcd BA9s - Single Chip 10mm 24 mm - X=0.31 nm, Y=0.32 nm 9 mA 100000h
RS Stock No. 817-3522
Mfr. Part No.MWCE22629
$15.25
Each
units
12 → 24 V ac/dc White 1250 mcd E10 - Single Chip 9.7mm 22 mm 160° 375 nm 13 mA 50000h
RS Stock No. 715-4031
Mfr. Part No.LE-BA9S-6W
$6.895
Each (In a Pack of 2)
units
6 V ac/dc White 13000 mcd BA9s 9 mm - 9.6mm 24 mm 30° - 20 mA -
RS Stock No. 205-066
BrandRS PRO
$27.63
Each
units
28 V ac/dc Green 170/160 mcd BA9s - Multichip 10mm 28 mm 180° 568 nm 15 (dc) mA 100000h
RS Stock No. 168-3952
Mfr. Part No.LE-BA9S-6W
$4.081
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. 282-9673
Mfr. Part No.215-521-25-38
BrandMarl
$30.10
Each
units
110 V dc Yellow 1200 mcd BA9s 9 mm Single Chip 4.8mm 26 mm 120° 590 nm 3 mA 100000h
RS Stock No. 238-8138
Mfr. Part No.215-532-22-38
BrandMarl
$28.80
Each
units
24 V dc Green 6000 mcd BA9s 9 mm Single Chip 4.9mm 26 mm 120° 525 nm 20 mA 100000h
RS Stock No. 424-3576
Mfr. Part No.245-997-93-50
BrandMarl
$76.36
Each
units
28 V dc White 14000 mcd BA15d - Single Chip 16mm 37.5 mm - - 18 mA 100000h
RS Stock No. 238-7618
Mfr. Part No.205-930-21-38
BrandMarl
$19.92
Each
units
12 V dc Blue 7000 mcd Midget Groove 5 mm Single Chip 4.9mm 15 mm 120° 470 nm 20 mA 100000h
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Brought to you under the trusted RS Brand, these BA9s indicator lamps have a single chip LED with a built in reflector, optimising brightness and intensity while maintaining low energy consumption. The lamps are fitted with a convenient bayonet connector ...