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 For Use With Accessory Type
RS stock no. 204-215
BrandRS PRO
R 133.16
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 9 (dc) mA, 15 (dc) mA 100000h - -
RS stock no. 238-7905
Mfr. Part No.208-501-21-38
BrandMarl
R 65.34
Each
units
12 V dc Red 11000 mcd Slide Base 6.8 mm Single Chip 4.9mm 42.6 mm 120° 643 nm 20 mA 100000h - -
RS stock no. 238-7595
Mfr. Part No.205-532-21-38
BrandMarl
R 194.17
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. 473-0238
Mfr. Part No.5862401205F
BrandDialight
R 84.52
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. 690-2930
Mfr. Part No.ELED/BA9/SO/H/Blue
BrandOxley
R 240.97
Each
units
12 → 60 V ac/dc Blue - BA9s - Single Chip 9.8mm 27.5 mm - - - - - -
RS stock no. 283-0061
Mfr. Part No.210-997-21-38
BrandMarl
R 182.99
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. 283-0055
Mfr. Part No.208-997-23-38
BrandMarl
R 126.65
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. 336-081
Mfr. Part No.LE-0503-03R
R 6.228
Each (In a Pack of 5)
units
12 V dc Red - Wedge 9 mm - 10mm 27.5 mm 24° 630 nm 15 mA - - -
RS stock no. 210-305
BrandRS PRO
R 94.12
Each
units
28 V dc Green 90 mcd Telephone Slide 5.8 mm Multichip 5.5mm 30.5 mm 180° 565 nm 15 mA 100000h - -
RS stock no. 757-9020
Mfr. Part No.1SFA616921R2221
BrandABB
R 221.06
Each
units
- - - - - - - - - - - - 22 mm Push Button Led bulb red
RS stock no. 168-3962
Mfr. Part No.LE-0509-01B
R 18.981
Each (In a Box of 100)
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 114.20
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. 238-7494
Mfr. Part No.206-521-22-38
BrandMarl
R 42.57
Each
units
24 V dc Yellow 4800 mcd Midget Flange 5 mm Single Chip 4.8mm 14.5 mm 120° 590 nm 20 mA 100000h - -
RS stock no. 168-3968
Mfr. Part No.Z-T55-R
R 23.728
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. 890-5880
Mfr. Part No.1091QM5-12V
BrandVCC
R 58.164
Each (In a Pack of 10)
units
6 → 13.5 V dc, 10 → 20 V ac Green - Lead Pins - Single Chip 12.7mm 36.83 mm - - - - - -
RS stock no. 739-3609
Mfr. Part No.LE-0509-01Y
R 15.59
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. 206-637
BrandRS PRO
R 63.48
Each
units
24 V dc Yellow 63 mcd Telephone Slide 5.8 mm Multichip 5.5mm 30.5 mm 180° 585 nm 15 mA 100000h - -
RS stock no. 205-123
BrandRS PRO
R 115.34
Each
units
12 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. 903-9341
Mfr. Part No.10-2524.3052
BrandEAO
R 107.647
Each (In a Bag of 3)
units
130 V dc Red 300 mcd BA9s - Single Chip 10mm 25 mm - 525 nm 2 mA - - -