LED Circuit Board Indicators – Mouser Singapore

.hide-partial { max-height: none; } .show-more { display: none; }

550/551/555 Series LED Circuit Board Indicators

Dialight 550, 551, and 555 Series Single Level Circuit Board Indicators (CBI) are offered in 2mm, 3mm, and 5mm package sizes, and in a wide variety of colors. The 550 Series includes 5mm LEDs in green, red, yellow, and bi-color red/green, in top view, square back, and sloped back housing. Multiple 550 Series CBIs form horizontal LED arrays on 6.35mm, 7.24mm, or 7.62mm center-lines. The 551 Series includes 3mm LEDs in green, yellow, red, blue, bi-color red/green, and yellow/green. Multiple 551 Series CBIs form horizontal LED arrays on 4.2mm or 4.45mm center-lines. The 555 Series includes 2mm LEDs in yellow, red, and green, in single, top view, and quad packaging. Multiple 555 Series CBIs form horizontal LED arrays on 2.54mm center-lines. All of the Dialight 550/551/555 Series Single Level Circuit Board Indicators come in high contrast, UL 94 V-0 rated, black housing with housing stand-offs to facilitate PCB cleaning.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 34

Applied Filters:

Illumination Colour

LED Size

Wavelength

Luminous Intensity

Mounting Style

Viewing Angle

Lens Colour/Style

If - Forward Current

Vf - Forward Voltage

Series

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Illumination Colour	LED Size	Wavelength	Luminous Intensity	Mounting Style	Viewing Angle	Lens Colour/Style	If - Forward Current	Vf - Forward Voltage	Series	Packaging
LED Circuit Board Indicators GREEN DIFFUSED 5 VOLT 555-3303F Dialight 1: $3.84 3,488In Stock 1,600Expected 17/11/2026	Mfr. Part No. 555-3303F Mouser Part No 645-555-3303F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED 5 VOLT Learn More about Dialight circuit board indicators	Datasheet	3,488In Stock 1,600Expected 17/11/2026	$3.84 $2.18 $1.70 $1.63	Min.: 1 Mult.: 1	Green	2 mm	565 nm	2.5 mcd	Through Hole	40 deg	Tinted	20 mA		555	Bulk
LED Circuit Board Indicators GREEN DIFFUSED 5 VOLTS 551-0607F Dialight 1: $2.38 4,394In Stock 3,100Expected 20/1/2027	Mfr. Part No. 551-0607F Mouser Part No 645-551-0607F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED 5 VOLTS Learn More about Dialight circuit board indicators	Datasheet	4,394In Stock 3,100Expected 20/1/2027	$2.38 $1.70 $1.22 $1.10 View $0.993 $0.937 $0.903	Min.: 1 Mult.: 1	Green		565 nm	19 mcd	Through Hole	60 deg	Tinted	10 mA	5 V	551	Bulk
LED Circuit Board Indicators CBI 3MM BLUE 551-0807F Dialight 1: $5.34 1,521In Stock	Mfr. Part No. 551-0807F Mouser Part No 645-551-0807F	Dialight	LED Circuit Board Indicators CBI 3MM BLUE Learn More about Dialight circuit board indicators	Datasheet	1,521In Stock	$5.34 $3.94 $2.76 $2.62 View $2.50 $2.35	Min.: 1 Mult.: 1	Blue	3 mm	428 nm	12 mcd	Through Hole	70 deg	Colorless, Diffused	10 mA	3.5 V	551	Bulk
LED Circuit Board Indicators YELLOW DIFFUSED LOW CURRENT 551-1207F Dialight 1: $2.11 3,503In Stock	Mfr. Part No. 551-1207F Mouser Part No 645-551-1207F	Dialight	LED Circuit Board Indicators YELLOW DIFFUSED LOW CURRENT Learn More about Dialight circuit board indicators	Datasheet	3,503In Stock	$2.11 $1.50 $1.12 $0.959 View $0.861 $0.811 $0.781	Min.: 1 Mult.: 1	Yellow			1.6 mcd	Through Hole	60 deg	Tinted	2 mA	1.8 V	551	Bulk
LED Circuit Board Indicators GREEN DIFFUSED 550-0204F Dialight 1: $2.09 80In Stock 1,500Expected 20/1/2027	Mfr. Part No. 550-0204F Mouser Part No 645-550-0204F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	80In Stock 1,500Expected 20/1/2027	$2.09 $1.50 $1.06 $0.881 View $0.812 $0.808	Min.: 1 Mult.: 1	Green		565 nm	12.3 mcd	Through Hole	60 deg	Tinted	20 mA	2.1 V	550	Bulk
LED Circuit Board Indicators GREEN DIFFUSED 550-0205F Dialight 1: $1.70 514In Stock 1,700Expected 12/4/2027	Mfr. Part No. 550-0205F Mouser Part No 645-550-0205F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	514In Stock 1,700Expected 12/4/2027	$1.70 $1.20 $0.894 $0.782 View $0.676 $0.635 $0.609	Min.: 1 Mult.: 1	Green		565 nm	12.3 mcd	Through Hole	60 deg	Tinted	20 mA	2.1 V	550	Bulk
LED Circuit Board Indicators GREEN DIFFUSED 550-0207F Dialight 1: $1.70 1,054In Stock 4,500On Order	Mfr. Part No. 550-0207F Mouser Part No 645-550-0207F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	1,054In Stock 4,500On Order On Order Ship Dates Mfr. No: 550-0207F Stock: 1,054 Can Dispatch Immediately On Order: 1,700 Expected 18/11/2026 2,800 Expected 9/12/2026 Factory Lead Time: 26 Weeks	$1.70 $1.20 $0.855 $0.759 View $0.677 $0.635 $0.609	Min.: 1 Mult.: 1	Green		565 nm	12.3 mcd	Through Hole	60 deg	Tinted	20 mA	2.1 V	550	Bulk
LED Circuit Board Indicators YELLOW DIFFUSED 550-0307F Dialight 1: $1.43 34In Stock 2,100Expected 14/4/2027	Mfr. Part No. 550-0307F Mouser Part No 645-550-0307F	Dialight	LED Circuit Board Indicators YELLOW DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	34In Stock 2,100Expected 14/4/2027	$1.43 $0.858 $0.616 $0.563 $0.513	Min.: 1 Mult.: 1	Yellow	5 mm	585 nm	12.3 mcd	Through Hole	60 deg	Tinted	20 mA	2.1 V	550	Bulk
LED Circuit Board Indicators RED DIFFUSED 550-0405F Dialight 1: $1.70 76In Stock 1,700Expected 20/1/2027	Mfr. Part No. 550-0405F Mouser Part No 645-550-0405F	Dialight	LED Circuit Board Indicators RED DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	76In Stock 1,700Expected 20/1/2027	$1.70 $1.30 $0.91 $0.766 View $0.709 $0.677	Min.: 1 Mult.: 1	Red		635 nm	12.3 mcd	Through Hole	60 deg	Tinted	20 mA	2 V	550	Bulk
LED Circuit Board Indicators HI EFF YELLOW DIFF 550-2307F Dialight 1: $1.81 62In Stock 6,000Expected 20/1/2027	Mfr. Part No. 550-2307F Mouser Part No 645-550-2307F	Dialight	LED Circuit Board Indicators HI EFF YELLOW DIFF Learn More about Dialight circuit board indicators	Datasheet	62In Stock 6,000Expected 20/1/2027	$1.81 $1.28 $0.938 $0.812 View $0.725 $0.681 $0.656	Min.: 1 Mult.: 1	Yellow		585 nm		Through Hole	50 deg	Tinted	10 mA	2.1 V	550	Bulk
LED Circuit Board Indicators CBI 5MM RGB W 4 LEADS 550-4013F Dialight 1: $2.87 813In Stock	Mfr. Part No. 550-4013F Mouser Part No 645-550-4013F	Dialight	LED Circuit Board Indicators CBI 5MM RGB W 4 LEADS Learn More about Dialight circuit board indicators	Datasheet	813In Stock	$2.87 $1.69 $1.55 $1.39 $1.23	Min.: 1 Mult.: 1	Blue, Green, Red	3 mm	470 nm, 525 nm, 634 nm	2500 mcd, 3200 mcd, 6000 mcd				30 mA	2.7 V		Bulk
LED Circuit Board Indicators HI EFF GREEN DIFF 551-0209F Dialight 1: $2.03 36In Stock 8,000On Order	Mfr. Part No. 551-0209F Mouser Part No 645-551-0209F	Dialight	LED Circuit Board Indicators HI EFF GREEN DIFF Learn More about Dialight circuit board indicators	Datasheet	36In Stock 8,000On Order On Order Ship Dates Mfr. No: 551-0209F Stock: 36 Can Dispatch Immediately On Order: 4,700 Expected 9/12/2026 3,300 Expected 7/4/2027 Factory Lead Time: 26 Weeks	$2.03 $1.39 $1.03 $0.737 View $0.694 $0.661	Min.: 1 Mult.: 1	Green		563 nm	16 mcd	Through Hole	45 deg	Tinted	10 mA	2.1 V	551	Bulk
LED Circuit Board Indicators HI EFF RED DIFFUSED 551-0409F Dialight 1: $1.93 898In Stock 4,600Expected 20/1/2027	Mfr. Part No. 551-0409F Mouser Part No 645-551-0409F	Dialight	LED Circuit Board Indicators HI EFF RED DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	898In Stock 4,600Expected 20/1/2027	$1.93 $1.37 $0.99 $0.873 View $0.783 $0.71	Min.: 1 Mult.: 1	Red		650 nm	10 mcd	Through Hole	45 deg	Tinted	10 mA	2 V	551	Bulk
LED Circuit Board Indicators RED DIFFUSED LOW CURRENT 551-1107F Dialight 1: $2.20 167In Stock 7,000On Order	Mfr. Part No. 551-1107F Mouser Part No 645-551-1107F	Dialight	LED Circuit Board Indicators RED DIFFUSED LOW CURRENT Learn More about Dialight circuit board indicators	Datasheet	167In Stock 7,000On Order On Order Ship Dates Mfr. No: 551-1107F Stock: 167 Can Dispatch Immediately On Order: 3,400 Expected 20/1/2027 3,600 Expected 12/4/2027 Factory Lead Time: 26 Weeks	$2.20 $1.54 $1.12 $0.985 View $0.884 $0.855	Min.: 1 Mult.: 1	Red		635 nm	1.6 mcd	Through Hole	60 deg	Tinted	2 mA	1.7 V	551	Bulk
LED Circuit Board Indicators GREEN DIFFUSED LOW CURRENT 551-1309F Dialight 1: $2.33 33In Stock 1,500Expected 4/11/2026	Mfr. Part No. 551-1309F Mouser Part No 645-551-1309F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED LOW CURRENT Learn More about Dialight circuit board indicators	Datasheet	33In Stock 1,500Expected 4/11/2026	$2.33 $1.65 $1.13 $1.01 View $0.879 $0.861	Min.: 1 Mult.: 1	Green		565 nm	1.6 mcd	Through Hole	60 deg		2 mA	1.9 V	551	Bulk
LED Circuit Board Indicators RED/GREEN DIFFUSED 551-3007F Dialight 1: $3.05 485In Stock 5,300On Order	Mfr. Part No. 551-3007F Mouser Part No 645-551-3007F	Dialight	LED Circuit Board Indicators RED/GREEN DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	485In Stock 5,300On Order On Order Ship Dates Mfr. No: 551-3007F Stock: 485 Can Dispatch Immediately On Order: 2,300 Expected 18/11/2026 3,000 Expected 20/1/2027 Factory Lead Time: 26 Weeks	$3.05 $2.18 $1.65 $1.41 View $1.33 $1.24	Min.: 1 Mult.: 1	Red, Green	3 mm	635 nm, 565 nm	4.7 mcd, 10 mcd	Through Hole	50 deg	Tinted	10 mA	2 V, 2.1 V	551	Bulk
LED Circuit Board Indicators CBI 3MM RG W 3 LEADS 551-3513F Dialight 1: $1.92 29In Stock	Mfr. Part No. 551-3513F Mouser Part No 645-551-3513F	Dialight	LED Circuit Board Indicators CBI 3MM RG W 3 LEADS Learn More about Dialight circuit board indicators	Datasheet	29In Stock	$1.92 $1.35 $0.922 $0.828 $0.741	Min.: 1 Mult.: 1	Green, Red	3 mm	630 nm, 565 nm			75 deg		30 mA	2.6 V		Bulk
LED Circuit Board Indicators YELLOW DIFFUSED 555-2401F Dialight 1: $2.90 17In Stock 1,000Expected 20/1/2027	Mfr. Part No. 555-2401F Mouser Part No 645-555-2401F	Dialight	LED Circuit Board Indicators YELLOW DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	17In Stock 1,000Expected 20/1/2027	$2.90 $2.07 $1.52 $1.31 View $1.24 $1.20	Min.: 1 Mult.: 1	Yellow	2 mm	583 nm	2 mcd	Through Hole	40 deg	Tinted	20 mA	2.2 V	555	Bulk
LED Circuit Board Indicators YELLOW DIFFUSED 5 VOLT 555-2403F Dialight 1: $2.82 305In Stock 1,000Expected 14/4/2027	Mfr. Part No. 555-2403F Mouser Part No 645-555-2403F	Dialight	LED Circuit Board Indicators YELLOW DIFFUSED 5 VOLT Learn More about Dialight circuit board indicators	Datasheet	305In Stock 1,000Expected 14/4/2027	$2.82 $2.07 $1.55 $1.16 View $1.10 $1.03	Min.: 1 Mult.: 1	Yellow	2 mm	583 nm	2.1 mcd	Through Hole	40 deg	Tinted	20 mA	5 V	555	Bulk
LED Circuit Board Indicators RED DIFFUSED 5 VOLT 555-3007F Dialight 1: $3.36 762In Stock	Mfr. Part No. 555-3007F Mouser Part No 645-555-3007F	Dialight	LED Circuit Board Indicators RED DIFFUSED 5 VOLT Learn More about Dialight circuit board indicators	Datasheet	762In Stock	$3.36 $2.43 $1.73 $1.65 View $1.43 $1.40 $1.39 $1.35	Min.: 1 Mult.: 1	Red	2 mm	650 nm	0.9 mcd	Through Hole	40 deg	Tinted	20 mA		555	Bulk
LED Circuit Board Indicators RED DIFFUSED 24 VOLTS 555-3008F Dialight 1: $3.13 1,025In Stock	Mfr. Part No. 555-3008F Mouser Part No 645-555-3008F	Dialight	LED Circuit Board Indicators RED DIFFUSED 24 VOLTS Learn More about Dialight circuit board indicators	Datasheet	1,025In Stock	$3.13 $2.43 $1.71 $1.52 View $1.47 $1.37 $1.34 $1.32	Min.: 1 Mult.: 1	Red	2 mm	650 nm	0.9 mcd	Through Hole	40 deg	Tinted	20 mA		555	Bulk
LED Circuit Board Indicators RED DIFFUSED 555-4001F Dialight 1: $7.53 135In Stock 400Expected 21/4/2027	Mfr. Part No. 555-4001F Mouser Part No 645-555-4001F	Dialight	LED Circuit Board Indicators RED DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	135In Stock 400Expected 21/4/2027	$7.53 $5.33 $4.22 $3.67 View $3.39 $3.33 Quote	Min.: 1 Mult.: 1	Red		650 nm	1.2 mcd	Through Hole	40 deg	Tinted	20 mA		555	Bulk
LED Circuit Board Indicators RED DIFFUSED 5 VOLT 555-4007F Dialight 1: $6.65 309In Stock	Mfr. Part No. 555-4007F Mouser Part No 645-555-4007F	Dialight	LED Circuit Board Indicators RED DIFFUSED 5 VOLT Learn More about Dialight circuit board indicators	Datasheet	309In Stock	$6.65 $5.59 $4.30 $3.88 View $3.75 $3.71 Quote	Min.: 1 Mult.: 1	Red		650 nm	0.9 mcd	Through Hole	40 deg	Tinted	3 mA	5 V	555	Bulk
LED Circuit Board Indicators RED/GREEN DIFFUSED 550-3007F Dialight 1: $3.16 9,094On Order	Mfr. Part No. 550-3007F Mouser Part No 645-550-3007F	Dialight	LED Circuit Board Indicators RED/GREEN DIFFUSED Learn More about Dialight circuit board indicators	Datasheet	9,094On Order On Order Ship Dates Mfr. No: 550-3007F Stock: 0 On Order: 4,094 Expected 20/1/2027 5,000 Expected 31/3/2027 Factory Lead Time: 26 Weeks	$3.16 $2.24 $1.73 $1.50 $1.43	Min.: 1 Mult.: 1	Red, Green	5 mm	660 nm, 565 nm	90 mcd, 40 mcd	Through Hole	60 deg	Tinted	20 mA	1.8 V, 2.1 V	550	Bulk
LED Circuit Board Indicators 5 MMCBI 550-3505F Dialight 1: $4.07 4,786On Order	Mfr. Part No. 550-3505F Mouser Part No 645-550-3505F	Dialight	LED Circuit Board Indicators 5 MMCBI Learn More about Dialight circuit board indicators	Datasheet	4,786On Order On Order Ship Dates Mfr. No: 550-3505F Stock: 0 On Order: 686 Expected 16/12/2026 1,300 Expected 14/4/2027 2,800 Expected 19/4/2027 Factory Lead Time: 26 Weeks	$4.07 $2.91 $2.30 $1.99 $1.88	Min.: 1 Mult.: 1	Red, Green	5 mm	635 nm, 565 nm	5 mcd, 8 mcd	Through Hole	65 deg	Clear	10 mA	2.1 V, 2.3 V		Bulk

550/551/555 Series LED Circuit Board Indicators

Applied Filters:

Customer Service Office

Company

Resources

Support

Share This

550/551/555 Series LED Circuit Board Indicators

Applied Filters: