LED Panel Indicator 5581101003F Equivalent & Substitute Parts

Part Overview

The Dialight 5581101003F is an LED panel indicator featuring a red diffused lens with 60° viewing angle, designed for snap-in panel mounting applications. This component operates at 1.7V forward voltage with 7mA maximum current, delivering 2.3mcd luminous intensity at 635nm peak wavelength. The part is Active status and ROHS3 compliant, making it suitable for modern electronic equipment requiring environmental compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, design revisions, or supply chain considerations.

Substiute Parts

5581101003F

DialightIn Stock: 11395581101003F Datasheet

Current PartRFQ

5581101023F

DialightIn Stock: 18675581101023F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 5581101003F is permissible with the 5581101023F based on identical electrical and mechanical parameters. Both parts share the same base product number (5581101) within the Dialight 558 series and maintain equivalence across all critical selection criteria:

Key Parameters for Substitution Compatibility:

• Forward voltage: 1.7V (identical)
• Maximum current: 7mA (identical)
• Lens color and transparency: Red Diffused (identical)
• Viewing angle: 60° (identical)
• Luminous intensity: 2.3mcd (identical)
• Peak wavelength: 635nm (identical)
• Lens size and style: 3mm T-1 Round with Domed Top (identical)
• Panel cutout dimensions: 0.16" (4.06mm) Round (identical)
• Termination: Wire Leads - 6" (152.40mm) (identical)
• Compliance: ROHS3 Compliant, REACH Unaffected (identical)

Parameter Comparison

Engineering Selection Recommendations

Both the 5581101003F and 5581101023F are Active status components manufactured by Dialight within the 558 series. Selection between these parts should be based on availability and inventory status. The 5581101023F currently maintains higher inventory (1790 pcs) compared to the 5581101003F (1047 pcs). Both parts meet ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in applications requiring environmental standards adherence. No electrical or mechanical differentiation exists between these parts; circuit design and panel integration requirements remain identical.

Frequently Asked Questions (FAQ)

Q: Can the 5581101023F directly replace the 5581101003F in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters. No circuit modifications or panel cutout adjustments are required.

Q: Are there differences in the lens or optical characteristics?

A: No. Both parts feature identical red diffused lenses with 60° viewing angle, 3mm T-1 form factor, and 2.3mcd luminous intensity at 635nm peak wavelength.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the 5581101003F and 5581101023F are ROHS3 compliant and REACH unaffected, meeting equivalent environmental and regulatory requirements.

Q: What is the significance of the different part number suffixes (003F vs 023F)?

A: The suffix variation indicates manufacturing or packaging differences not reflected in the electrical or mechanical specifications. Both parts maintain identical functional performance and panel integration characteristics.

Q: Are the wire lead lengths identical?

A: Yes. Both parts feature 6" (152.40mm) wire leads with identical termination style.

Q: Can these parts be used interchangeably in high-volume production?

A: Yes. Electrical performance, mechanical fit, and compliance certifications are identical, permitting interchangeable use in production environments.