LED Circuit Board Indicators – Mouser United Kingdom

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553 & 571 Bi-Level Circuit Board Indicators

Dialight 553 and 571 Bi-Level Circuit Board Indicators (CBI) are offered in 2mm and 3mm packages, with two diode LED indicators each, and in several color combinations. The 553 series includes 3mm LEDs in 2x red, 2x yellow, 2x green, red/green, and yellow/green. 553-x multiple CBIs form horizontal LED arrays on 4.45mm center-lines, and 553-x-300 multiple CBIs form horizontal LED arrays on 5.08mm center-lines. The 571 series includes 2mm LEDs in 2x green, red/green, and yellow/green. Multiple CBIs form horizontal LED arrays on 2.54mm center lines. All of the Dialight 553/571 Bi-Level Circuit Board Indicators come in high contrast, UL 94V-0 rated black housing with stand-offs that facilitate PCB cleaning.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Illumination Colour	LED Size	Wavelength	Luminous Intensity	Mounting Type	Viewing Angle	Lens Colour/Style	If - Forward Current	Vf - Forward Voltage	Series	Packaging
LED Circuit Board Indicators Bi-Level CBI 553-0101F Dialight 1: £1.42 995In Stock	Mfr. Part No. 553-0101F Mouser Part No 645-553-0101F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	995In Stock	£1.42 £0.732 £0.643 £0.566 View £0.553 £0.535 £0.525 Quote	Min.: 1 Mult.: 1	Red	3 mm	650 nm	10 mcd	Through Hole	45 deg	Tinted, Diffused	10 mA	2 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0103F Dialight 1: £1.47 1,021In Stock	Mfr. Part No. 553-0103F Mouser Part No 645-553-0103F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	1,021In Stock	£1.47 £0.803 £0.67 £0.615 View £0.607 £0.606 £0.578	Min.: 1 Mult.: 1	Yellow	3 mm	585 nm	6.3 mcd	Through Hole	45 deg	Tinted, Diffused	10 mA	2.1 V	553	Bulk
LED Circuit Board Indicators RED/GREEN DIFFUSED 553-0711-300F Dialight 1: £2.09 546In Stock 550Expected 28/10/2026	Mfr. Part No. 553-0711-300F Mouser Part No 645-553-0711-300F	Dialight	LED Circuit Board Indicators RED/GREEN DIFFUSED Learn More about Dialight 553 571 indicators	Datasheet	546In Stock 550Expected 28/10/2026	£2.09 £1.48 £1.34 £1.20	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	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0230F Dialight 1: £1.58 930In Stock	Mfr. Part No. 553-0230F Mouser Part No 645-553-0230F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	930In Stock	£1.58 £0.856 £0.691 £0.646 View £0.638 £0.627 £0.619 £0.607	Min.: 1 Mult.: 1	Yellow	3 mm	583 nm	1.6 mcd	Through Hole	60 deg	Tinted, Diffused	2 mA	1.8 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0121F Dialight 1: £1.38 44,762In Stock	Mfr. Part No. 553-0121F Mouser Part No 645-553-0121F	Dialight	LED Circuit Board Indicators Bi-Level CBI Learn More about Dialight 553 571 indicators	Datasheet	44,762In Stock	£1.38 £0.759 £0.651 £0.577 View £0.55 £0.546	Min.: 1 Mult.: 1	Red, Green	3 mm	635 nm, 565 nm	1.6 mcd	Through Hole	45 deg	Tinted, Diffused	2 mA	1.7 V, 1.9 V	553	Bulk
LED Circuit Board Indicators Red/Green, 650/563nm 10/16mcd, 10mA 553-0112F Dialight 1: £1.77 2,182In Stock 3,750Expected 24/03/2027	Mfr. Part No. 553-0112F Mouser Part No 645-553-0112F	Dialight	LED Circuit Board Indicators Red/Green, 650/563nm 10/16mcd, 10mA Learn More about Dialight 553 571 indicators	Datasheet	2,182In Stock 3,750Expected 24/03/2027	£1.77 £1.06 £0.934 £0.811 View £0.773 £0.759 £0.732 £0.708	Min.: 1 Mult.: 1	Red, Green	3 mm	635 nm, 565 nm	1.6 mcd	Through Hole	45 deg	Tinted, Diffused	2 mA	1.7 V, 1.9 V		Bulk
LED Circuit Board Indicators HI EFF GREEN DIFF 553-0122F Dialight 1: £1.67 4,829In Stock 23,850On Order	Mfr. Part No. 553-0122F Mouser Part No 645-553-0122F	Dialight	LED Circuit Board Indicators HI EFF GREEN DIFF Learn More about Dialight 553 571 indicators	Datasheet	4,829In Stock 23,850On Order On Order Ship Dates Mfr. No: 553-0122F Stock: 4,829 Can Dispatch Immediately On Order: 5,000 Expected 22/10/2026 7,700 Expected 09/12/2026 11,150 Expected 17/02/2027 Factory Lead Time: 26 Weeks	£1.67 £0.986 £0.863 £0.773 £0.695	Min.: 1 Mult.: 1	Green		563 nm	16 mcd	Through Hole	45 deg		10 mA	2.1 V	553	Bulk
LED Circuit Board Indicators HI EFF YELLOW DIFF 553-0133F Dialight 1: £1.85 1,523In Stock 800Expected 20/01/2027	Mfr. Part No. 553-0133F Mouser Part No 645-553-0133F	Dialight	LED Circuit Board Indicators HI EFF YELLOW DIFF Learn More about Dialight 553 571 indicators	Datasheet	1,523In Stock 800Expected 20/01/2027	£1.85 £1.27 £1.01 £0.871 View £0.834 £0.766 £0.732 £0.708	Min.: 1 Mult.: 1	Yellow		585 nm	6.3 mcd	Through Hole	45 deg	Tinted	10 mA	2.1 V	553	Bulk
LED Circuit Board Indicators GREEN DIFFUSED LOW CURRENT 553-0222F Dialight 1: £1.97 3,656In Stock	Mfr. Part No. 553-0222F Mouser Part No 645-553-0222F	Dialight	LED Circuit Board Indicators GREEN DIFFUSED LOW CURRENT Learn More about Dialight 553 571 indicators	Datasheet	3,656In Stock	£1.97 £1.17 £0.96 £0.89 View £0.856 £0.751	Min.: 1 Mult.: 1	Green		565 nm		Through Hole	60 deg	Tinted	2 mA	1.9 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0111F Dialight 1: £1.80 1,390In Stock 2,150Expected 20/01/2027	Mfr. Part No. 553-0111F Mouser Part No 645-553-0111F	Dialight	LED Circuit Board Indicators Bi-Level CBI Learn More about Dialight 553 571 indicators	Datasheet	1,390In Stock 2,150Expected 20/01/2027	£1.80 £1.20 £0.995 £0.871 View £0.811 £0.759 £0.741 £0.726	Min.: 1 Mult.: 1	Red	3 mm	635 nm	1.6 mcd	Through Hole	45 deg	Tinted, Diffused	2 mA	1.7 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0112-200F Dialight 1: £1.83 433In Stock 800Expected 31/03/2027	Mfr. Part No. 553-0112-200F Mouser Part No 645-553-0112-200F	Dialight	LED Circuit Board Indicators Bi-Level CBI Learn More about Dialight 553 571 indicators		433In Stock 800Expected 31/03/2027	£1.83 £1.33 £1.01 £0.871 £0.773	Min.: 1 Mult.: 1	Red, Green	3 mm	635 nm, 565 nm	10 mcd, 12.6 mcd	Through Hole	60 deg	Diffused	10 mA	2 V, 2.1 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0113F Dialight 1: £1.77 603In Stock 800Expected 22/10/2026	Mfr. Part No. 553-0113F Mouser Part No 645-553-0113F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	603In Stock 800Expected 22/10/2026	£1.77 £1.04 £0.882 £0.803 View £0.766 £0.732 £0.708	Min.: 1 Mult.: 1	Red, Yellow	3 mm	650 nm, 585 nm	3.6 mcd, 2.2 mcd	Through Hole	45 deg	Tinted, Diffused	10 mA	2 V, 2.1 V	553	Bulk
LED Circuit Board Indicators Red/Green Diffused 635/565nm, 10mA 553-0121-300F Dialight 1: £1.42 6In Stock 900Expected 16/12/2026	Mfr. Part No. 553-0121-300F Mouser Part No 645-553-0121-300F	Dialight	LED Circuit Board Indicators Red/Green Diffused 635/565nm, 10mA Learn More about Dialight 553 571 indicators	Datasheet	6In Stock 900Expected 16/12/2026	£1.42 £1.10 £0.908 £0.78 View £0.718 £0.687	Min.: 1 Mult.: 1	Red, Green	3 mm	563 nm, 650 nm	16 mcd, 10 mcd	Through Hole	45 deg	Tinted, Diffused		2.1 V	553	Bulk
LED Circuit Board Indicators HI EFF GREEN DIFF 553-0122-300F Dialight 1: £1.77 69In Stock 1,350Expected 17/02/2027	Mfr. Part No. 553-0122-300F Mouser Part No 645-553-0122-300F	Dialight	LED Circuit Board Indicators HI EFF GREEN DIFF Learn More about Dialight 553 571 indicators	Datasheet	69In Stock 1,350Expected 17/02/2027	£1.77 £1.00 £0.934 £0.803 View £0.759 £0.743 £0.732 £0.708 Quote	Min.: 1 Mult.: 1	Green			16 mcd	Through Hole	45 deg		10 mA	2.1 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0131F Dialight 1: £1.56 386In Stock 800Expected 15/03/2027	Mfr. Part No. 553-0131F Mouser Part No 645-553-0131F	Dialight	LED Circuit Board Indicators Bi-Level CBI Learn More about Dialight 553 571 indicators	Datasheet	386In Stock 800Expected 15/03/2027	£1.56 £1.20 £1.00 £0.849 View £0.766 £0.732 £0.708	Min.: 1 Mult.: 1	Red, Yellow	3 mm	650 nm, 585 nm	10 mcd, 6.3 mcd	Through Hole	45 deg	Tinted, Diffused	10 mA	2 V, 2.1 V	553	Bulk
LED Circuit Board Indicators HI EFF YELLOW DIFF 553-0133-300F Dialight 1: £1.77 1,340In Stock	Mfr. Part No. 553-0133-300F Mouser Part No 645-553-0133-300F	Dialight	LED Circuit Board Indicators HI EFF YELLOW DIFF Learn More about Dialight 553 571 indicators	Datasheet	1,340In Stock	£1.77 £1.06 £0.978 £0.871 View £0.849 £0.766 £0.732 £0.708	Min.: 1 Mult.: 1	Yellow	3 mm	585 nm	6.3 mcd	Through Hole	45 deg	Tinted, Diffused	10 mA	2.1 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0177F Dialight 1: £1.77 106In Stock	Mfr. Part No. 553-0177F Mouser Part No 645-553-0177F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	106In Stock	£1.77 £1.06 £0.978 £0.849 View £0.751 £0.741 £0.719 £0.70 Quote	Min.: 1 Mult.: 1	Orange	3 mm	600 nm	7 mcd	Through Hole	60 deg	Tinted, Diffused	10 mA	2.2 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0181F Dialight 1: £4.07 261In Stock	Mfr. Part No. 553-0181F Mouser Part No 645-553-0181F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	261In Stock	£4.07 £2.58 £2.50 £2.16 £2.00	Min.: 1 Mult.: 1										553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0182F Dialight 1: £4.19 9In Stock	Mfr. Part No. 553-0182F Mouser Part No 645-553-0182F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	9In Stock	£4.19 £2.84 £2.24 £2.12	Min.: 1 Mult.: 1										553	Bulk
LED Circuit Board Indicators CBI 3MM BI-LEVELWW 553-0199F Dialight 1: £4.08 5In Stock	Mfr. Part No. 553-0199F Mouser Part No 645-553-0199F	Dialight	LED Circuit Board Indicators CBI 3MM BI-LEVELWW	Datasheet	5In Stock	£4.08 £3.14 £2.50 £2.12	Min.: 1 Mult.: 1	White	3 mm		2500 mcd	Through Hole	45 deg	Untinted, Non-Diffused	20 mA	3.2 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0201F Dialight 1: £1.01 569In Stock	Mfr. Part No. 553-0201F Mouser Part No 645-553-0201F	Dialight	LED Circuit Board Indicators Bi-Level CBI Learn More about Dialight 553 571 indicators	Datasheet	569In Stock	£1.01 £0.686 £0.585 £0.547 View £0.519 £0.471 £0.455 £0.439 Quote	Min.: 1 Mult.: 1	Red	3 mm	635 nm	1.6 mcd	Through Hole	60 deg	Tinted, Diffused	2 mA	1.7 V	553	Bulk
LED Circuit Board Indicators Bi-Level European 553-0202-400F Dialight 1: £1.52 740In Stock	Mfr. Part No. 553-0202-400F Mouser Part No 645-553-0202-400F	Dialight	LED Circuit Board Indicators Bi-Level European Learn More about Dialight 553 571 indicators	Datasheet	740In Stock	£1.52 £0.882 £0.739 £0.656 View £0.607 £0.588 £0.572 Quote	Min.: 1 Mult.: 1	Green	3 mm	565 nm	1.6 mcd	SMD/SMT	60 deg	Tinted, Diffused		1.9 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0202F Dialight 1: £1.28 25In Stock 1,200Expected 20/01/2027	Mfr. Part No. 553-0202F Mouser Part No 645-553-0202F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	25In Stock 1,200Expected 20/01/2027	£1.28 £0.728 £0.612 £0.545 £0.519	Min.: 1 Mult.: 1	Green	3 mm	565 nm	1.6 mcd	Through Hole	60 deg	Tinted, Diffused	2 mA	1.9 V	553	Bulk
LED Circuit Board Indicators Bi-Level CBI 553-0203F Dialight 1: £1.27 118In Stock 1,200Expected 20/01/2027	Mfr. Part No. 553-0203F Mouser Part No 645-553-0203F	Dialight	LED Circuit Board Indicators Bi-Level CBI	Datasheet	118In Stock 1,200Expected 20/01/2027	£1.27 £0.728 £0.674 £0.533 £0.519	Min.: 1 Mult.: 1	Yellow	3 mm	583 nm	1.6 mcd	Through Hole	60 deg	Tinted, Diffused	2 mA	1.8 V	553	Bulk
LED Circuit Board Indicators RED DIFFUSED LOW CURRENT 553-0211-300F Dialight 1: £1.96 823In Stock	Mfr. Part No. 553-0211-300F Mouser Part No 645-553-0211-300F	Dialight	LED Circuit Board Indicators RED DIFFUSED LOW CURRENT Learn More about Dialight 553 571 indicators	Datasheet	823In Stock	£1.96 £1.17 £1.09 £0.826 View £0.788 £0.766 £0.741 £0.739	Min.: 1 Mult.: 1	Red		635 nm	1.6 mcd	Through Hole	60 deg	Tinted	2 mA	1.7 V	553	Bulk