Dialight 5530711 LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5530711 is a dual-level LED circuit board indicator featuring integrated green and red LEDs in a 3mm T-1 through-hole right-angle configuration. This component is classified as obsolete, making substitute parts necessary for ongoing production and maintenance applications. The 553 series provides multiple active alternatives that maintain electrical and mechanical compatibility while offering enhanced availability and compliance certifications.

Key Parameters

Parameter	Specification
Manufacturer	Dialight
Series	553
Configuration	2 High (Dual-level)
Color	Green, Red (x 2)
Lens Size	3mm, T-1
Lens Style	Round with Domed Top
Mounting Type	Through Hole, Right Angle
Voltage Rating	2.1V Green, 2V Red
Current	10mA
Wavelength - Peak	565nm (Green), 635nm (Red)
Millicandela Rating	10mcd Green, 4.7mcd Red
Viewing Angle	50°
Lens Type	Clear
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the Dialight 5530711 is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Configuration: 2 High (dual-level LED)
Color: Green and Red (x 2)
Lens Size: 3mm, T-1
Mounting Type: Through Hole, Right Angle
Voltage Rating: 2.1V Green, 2V Red
Current: 10mA
Wavelength - Peak: 565nm (Green), 635nm (Red)
Millicandela Rating: 10mcd Green, 4.7mcd Red
Lens Type: Clear
Lens Style: Round with Domed Top
MSL: 1 (Unlimited)

Allowable Variation:

Viewing Angle: 50° to 60° (minor optical characteristic variation)
Product Status: Active substitutes acceptable for obsolete main part
Packaging: Bulk format standard for all active alternatives

The following Dialight part numbers maintain full electrical and mechanical compatibility with the 5530711:

5530711002F
5530711012F
5530711100F
5530711110F
5530711200F
5530711300F
5530711F

Parameter Comparison

Part Number	Manufacturer	Product Status	Color	Configuration	Current	Voltage Rating	Wavelength - Peak	Millicandela Rating	Viewing Angle	Lens Size	Mounting Type	RoHS Status	Inventory (Pcs)
5530711	Dialight	Obsolete	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	50°	3mm, T-1	Through Hole, Right Angle	Not Specified	1038
5530711002F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	60°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	808
5530711012F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	60°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	982
5530711100F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	60°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	1443
5530711110F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	60°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	839
5530711200F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	60°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	1837
5530711300F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	50°	3mm, T-1	Through Hole, Right Angle	ROHS3 Compliant	1456
5530711F	Dialight	Active	Green, Red (x 2)	2 High	10mA	2.1V Green, 2V Red	565nm, 635nm	10mcd Green, 4.7mcd Red	50°	3.00mm Dia	Through Hole, Right Angle	ROHS3 Compliant	6363

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the obsolete Dialight 5530711. Selection among active alternatives should be based on the following factors:

Product Status & Compliance: All substitute parts carry Active product status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment for new designs and production runs.

Viewing Angle Considerations: Parts 5530711002F, 5530711012F, 5530711100F, and 5530711110F feature a 60° viewing angle, providing wider optical dispersion compared to the original 50° specification. Parts 5530711300F and 5530711F maintain the original 50° viewing angle for applications requiring narrower light distribution.

Inventory Availability: Part 5530711F offers the highest inventory level (6363 units), followed by 5530711200F (1837 units) and 5530711100F (1443 units), supporting high-volume production requirements.

Packaging & Handling: All active substitutes are supplied in bulk packaging with MSL 1 (Unlimited) moisture sensitivity rating, eliminating special storage or handling requirements.

Frequently Asked Questions (FAQ)

Q: Can I use 5530711002F as a direct replacement for the obsolete 5530711?

A: Yes. The 5530711002F maintains identical electrical specifications (10mA, 2.1V Green/2V Red, 565nm/635nm wavelengths, 10mcd/4.7mcd brightness). The only difference is a wider 60° viewing angle versus the original 50°. This represents an improvement in optical performance for most applications.

Q: What is the difference between parts with 50° and 60° viewing angles?

A: Viewing angle determines the cone of light distribution. The 60° variants (5530711002F, 5530711012F, 5530711100F, 5530711110F) provide wider light dispersion, suitable for applications where the indicator is viewed from multiple angles. The 50° variants (5530711300F, 5530711F) concentrate light in a narrower cone, appropriate for direct line-of-sight viewing. Both are electrically equivalent.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All active substitute parts carry ROHS3 compliance certification. The original 5530711 does not specify RoHS status due to its obsolete classification.

Q: Which substitute part should I select for new production?

A: For new designs, select from the active alternatives based on viewing angle requirement and inventory availability. Part 5530711F offers the highest stock level and maintains the original 50° viewing angle. For applications requiring wider light distribution, 5530711200F provides excellent availability with 60° viewing angle.

Q: Is the lens size specification identical across all parts?

A: Lens size is specified as 3mm, T-1 for all parts except 5530711F, which specifies 3.00mm Dia. These represent the same physical dimension with different notation conventions and are mechanically interchangeable.

Q: What is the MSL rating and why does it matter?

A: All parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Components can be stored and handled under standard industrial conditions without special desiccant packaging or shelf-life limitations.

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