Dialight 5523544 LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5523544 is a dual-level LED circuit board indicator featuring green and yellow LEDs in a 5mm T-1 3/4 through-hole right-angle configuration. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement continuity. The substitute part maintains identical electrical and mechanical specifications while offering improved product status and availability.

Substiute Parts

5523544

DialightIn Stock: 9675523544 Datasheet

Current PartRFQ

5523544F

DialightIn Stock: 12255523544F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The Dialight 5523544F qualifies as a direct substitute based on the following criteria:

Electrical Compatibility:

• Identical operating voltage (2.1V)
• Identical operating current (10mA)
• Identical wavelength specifications (565nm Green, 583nm Yellow)
• Identical millicandela ratings (8mcd Green, 5mcd Yellow)

Mechanical Compatibility:

• Identical lens size and style (5mm, T-1 3/4, Round with Domed Top)
• Identical mounting configuration (Through Hole, Right Angle)
• Identical viewing angle (65°)
• Identical dual-level configuration (2 High)

Regulatory & Environmental Compatibility:

• Identical MSL rating (1 - Unlimited)
• Identical REACH status (REACH Unaffected)
• Identical ECCN classification (EAR99)
• Identical HTSUS code (8541.41.0000)

The primary distinction is product status: the 5523544F is active and RoHS3 compliant, whereas the 5523544 is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The Dialight 5523544F is the appropriate selection for new designs and procurement activities. This part maintains complete electrical and mechanical equivalence to the 5523544 while offering the following advantages:

Product Status: The 5523544F carries active product status, ensuring long-term availability and manufacturer support. The 5523544 is obsolete and subject to discontinuation.

Regulatory Compliance: The 5523544F is RoHS3 compliant, meeting current environmental and regulatory requirements for electronic components in regulated markets. This compliance status is essential for applications subject to RoHS directives.

Functional Equivalence: All critical parameters—voltage rating, operating current, wavelength specifications, millicandela ratings, viewing angle, lens geometry, and mounting configuration—are identical between the two parts. Direct substitution in existing circuit designs is supported without modification.

Availability: The 5523544F demonstrates superior inventory availability (1159 pcs) compared to the 5523544 (908 pcs), with active manufacturing status ensuring continued supply.

Frequently Asked Questions (FAQ)

Q: Can the 5523544F be used as a direct replacement for the 5523544 in existing designs?

A: Yes. The 5523544F is electrically and mechanically identical to the 5523544. All critical parameters—including voltage rating (2.1V), operating current (10mA), wavelength specifications (565nm Green, 583nm Yellow), millicandela ratings (8mcd Green, 5mcd Yellow), lens size (5mm T-1 3/4), mounting type (Through Hole, Right Angle), and viewing angle (65°)—are identical. No circuit modifications are required.

Q: What is the primary difference between these two parts?

A: The 5523544 is classified as obsolete, while the 5523544F is active. Additionally, the 5523544F is RoHS3 compliant. All electrical and mechanical specifications are identical.

Q: Are there any packaging differences between the 5523544 and 5523544F?

A: The 5523544F is supplied in bulk packaging. Packaging specifications for the 5523544 are not provided in the technical documentation. Confirm packaging requirements with your procurement department if specific packaging formats are required.

Q: Why should I transition from the 5523544 to the 5523544F?

A: The 5523544 is obsolete and subject to discontinuation. The 5523544F provides identical functionality with active product status, ensuring long-term availability and manufacturer support. RoHS3 compliance of the 5523544F also meets current regulatory requirements.

Q: Are the optical characteristics identical between these parts?

A: Yes. Both parts feature identical wavelength specifications (565nm Green, 583nm Yellow), millicandela ratings (8mcd Green, 5mcd Yellow), viewing angle (65°), and lens style (Round with Domed Top, 5mm T-1 3/4). Optical performance is equivalent.

Q: What is the MSL rating for these components?

A: Both the 5523544 and 5523544F carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.