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. 212-317
BrandRS PRO
R 64.60
Each
units
24 V dc Red 40 mcd BA9s 10 mm Multichip 11mm 28 mm 180° 630 nm 35 mA 60000h
RS stock no. 769-3003
Mfr. Part No.LE-BA9S-24W
R 53.765
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. 238-7595
Mfr. Part No.205-532-21-38
BrandMarl
R 194.89
Each
units
12 V dc Green 23000 mcd Midget Groove 5 mm Single Chip 4.9mm 15 mm 120° 527 nm 20 mA 100000h
RS stock no. 890-5883
Mfr. Part No.1091QM5-24V
BrandVCC
R 58.379
Each (In a Pack of 10)
units
12 → 24 V dc, 22 → 32 V ac Green - Lead Pins - Single Chip 12.7mm 36.83 mm - - - -
RS stock no. 473-0222
Mfr. Part No.5862406203F
BrandDialight
R 126.10
Each
units
14 V dc White 825 mcd BA9s 9 mm Single Chip 10mm 28.75 mm - - 15 mA 100000h
RS stock no. 754-1577
Mfr. Part No.3SB3901-1DF
BrandSiemens
R 227.00
Each
units
- - - - - - - - - - - -
RS stock no. 204-215
BrandRS PRO
R 133.65
Each
units
12 V ac/dc White 1500 mcd Telephone Slide 5.8 mm Single Chip 5.5mm 29.5 mm - X=0.31 nm, Y=3.2 nm 15 (dc) mA, 9 (dc) mA 100000h
RS stock no. 283-0055
Mfr. Part No.208-997-23-38
BrandMarl
R 127.12
Each
units
24 → 28 V dc White 27000 mcd Slide Base 6.8 mm Single Chip 4.9mm 42.6 mm 120° - 20 mA 100000h
RS stock no. 335-987
Mfr. Part No.LE-0509-02W
R 18.372
Each (In a Pack of 5)
units
24 V dc White - Wedge 9 mm - 10mm 28.5 mm 30° - 20 mA -
RS stock no. 473-0238
Mfr. Part No.5862401205F
BrandDialight
R 84.83
Each
units
28 V dc Red 525 mcd BA9s 9 mm Single Chip 10mm 28.75 mm - 630 nm 7.5 mA 100000h
RS stock no. 739-3602
Mfr. Part No.LE-0509-01B
R 26.184
Each (In a Pack of 5)
units
24 V Blue - Wedge T-1 3/4 - 4.5mm 20.3 mm 95° 470 nm 15 mA -
RS stock no. 282-9954
Mfr. Part No.206-997-23-38
BrandMarl
R 114.63
Each
units
24 → 28 V dc White 14000 mcd Midget Flange 5 mm Single Chip 4.9mm 14.5 mm 120° - 20 mA 100000h
RS stock no. 207-523
BrandRS PRO
R 124.71
Each
units
6 V ac/dc White 2070 mcd E10 6.3 mm Single Chip 10mm 25.25 mm - X=0.31 nm, Y=0.32 nm 17 (dc) mA, 9 (ac) mA 100000h
RS stock no. 903-9341
Mfr. Part No.10-2524.3052
BrandEAO
R 108.047
Each (In a Bag of 3)
units
130 V dc Red 300 mcd BA9s - Single Chip 10mm 25 mm - 525 nm 2 mA -
RS stock no. 212-339
BrandRS PRO
R 205.35
Each
units
24 V dc Yellow 65 mcd BA9s 10 mm Multichip 11mm 28 mm 180° 588 nm 35 mA 60000h
RS stock no. 283-0061
Mfr. Part No.210-997-21-38
BrandMarl
R 183.67
Each
units
12 V dc White 785 mcd E10 9 mm Single Chip 4.9mm 22.1 mm 120° - 20 mA 100000h
RS stock no. 206-615
BrandRS PRO
R 70.69
Each
units
12 V dc Red 36 mcd Telephone Slide 5.8 mm Multichip 5.5mm 30.5 mm 180° 635 nm 30 mA 100000h
RS stock no. 739-3609
Mfr. Part No.LE-0509-01Y
R 15.646
Each (In a Pack of 5)
units
24 V Yellow - Wedge T-1 3/4 - 4.5mm 20.3 mm 95° 595 nm 15 mA -
RS stock no. 205-397
BrandRS PRO
R 48.06
Each
units
28 V ac/dc Red 85 mcd Bi-Pin 3 mm Single Chip 4.25mm 17 mm - 630 nm 10 (dc) mA 100000h
RS stock no. 204-580
BrandRS PRO
R 49.45
Each
units
24 V dc Green 50 mcd Telephone Slide 5.8 mm Multichip 5.5mm 22 mm 180° 565 nm 15 mA 60000h