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. 238-7494
Mfr. Part No.206-521-22-38
BrandMarl
R 42.73
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. 168-3964
Mfr. Part No.LE-0509-01Y
R 10.836
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. 891-4604
Mfr. Part No.4302H3-5V
BrandVCC
R 19.337
Each (In a Pack of 50)
units
7.5 V Amber 8 mcd Lead Pins T-1 3/4 Single Chip 5.84mm 8.64 mm 60° 583 nm 10 mA -
RS stock no. 208-661
BrandRS PRO
R 46.52
Each
units
24 V ac/dc Yellow 630 mcd BA9s - Single Chip 10mm 24 mm - 587 nm 17 (dc) mA, 9 (dc) mA 100000h
RS stock no. 204-524
BrandRS PRO
R 35.37
Each
units
12 V dc Yellow 45 mcd Midget Flange 5 mm Multichip 6mm 15.25 mm 180° 585 nm 30 mA 100000h
RS stock no. 204-603
BrandRS PRO
R 120.33
Each
units
12 V ac/dc Green 2100 mcd Telephone Slide 5.8 mm Single Chip 5.5mm 29.5 mm - 525 nm 15 (dc) mA, 9 (dc) mA 100000h
RS stock no. 204-530
BrandRS PRO
R 145.56
Each
units
28 V ac/dc White 2070 mcd E10 - Single Chip 10mm 25.25 mm - X=0.31 nm, Y=0.32 nm 17 (dc) mA, 9 (dc) mA 100000h
RS stock no. 890-7441
Mfr. Part No.586-1101-103F
BrandDialight
R 37.59
Each (In a Pack of 10)
units
14 V dc Red 775 mcd Midget Flange T-1 3/4 Single Chip 7.2mm 14.18 mm - 639 nm 10 mA 100000h
RS stock no. 891-4764
Mfr. Part No.2191U1-6V
BrandVCC
R 55.107
Each (In a Pack of 10)
units
3.5 → 6.5 V dc, 5 → 11 V ac Red - Wire Terminal - Single Chip 7.87mm 40.39 mm - - - -
RS stock no. 835-7458
Mfr. Part No.LSTD-2S
BrandIdec
R 91.17
Each
units
24 V ac/dc Blue - BA9s - Multichip - - - - 10 (dc) mA, 11 (ac) mA 50000h
RS stock no. 204-653
BrandRS PRO
R 82.10
Each
units
12 V dc Red 40 mcd Midget Groove 5 mm Multichip 6mm 15.25 mm - 630 nm 30 mA 100000h
RS stock no. 891-4411
Mfr. Part No.2191U5-12V
BrandVCC
R 63.093
Each (In a Pack of 10)
units
10 → 20 V ac, 6 → 13.5 V dc Green - Wire Terminal - Single Chip 7.87mm 40.39 mm - - - -
RS stock no. 817-3500
Mfr. Part No.MWCE22129
R 119.13
Each
units
12 → 24 V ac/dc Yellow 180 mcd E10 - Single Chip 9.7mm 22 mm 160° 588 nm 15 mA 50000h
RS stock no. 891-4386
Mfr. Part No.4307T3
BrandVCC
R 5,585.86
1 Pack of 1000
Pack(s)
3 V Amber 3 mcd Lead Pins 1.65 mm Single Chip 1.78mm 2.79 mm 30° 603 nm 10 mA -
RS stock no. 205-779
BrandRS PRO
R 87.05
Each
units
12 V ac/dc Yellow 85 mcd Bi-Pin 3 mm Single Chip 4.25mm 17 mm - 592 nm 6 mA ac, 12 mA dc 100000h
RS stock no. 797-2321
Mfr. Part No.ELED/BA9S/BE
BrandOxley
R 281.37
Each
units
12 → 60 V ac/dc Blue 306 mcd BA9s - Single Chip 10mm 25.5 mm 120° - 20 mA 100000h
RS stock no. 210-800
BrandRS PRO
R 80.01
Each
units
28 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 15 (dc) mA, 9 (dc) mA 100000h
RS stock no. 210-844
BrandRS PRO
R 126.67
Each
units
24 V ac/dc Blue 500 mcd Bi-Pin 3 mm Single Chip 4.25mm 17 mm - 470 nm 10 (dc) mA 100000h
RS stock no. 238-7602
Mfr. Part No.205-521-21-38
BrandMarl
R 147.91
Each
units
12 V dc Yellow 16000 mcd Midget Groove 5 mm Single Chip 4.9mm 15 mm 120° 591 nm 20 mA 100000h
RS stock no. 204-710
BrandRS PRO
R 124.71
Each
units
24 V ac/dc White 2070 mcd E10 10 mm Single Chip 10mm 25.25 mm - X=0.31 nm, Y=0.32 nm 17 (dc) mA, 9 (dc) mA 100000h