LED Panel Indicator 5590001821 Equivalent & Substitute Parts

Part Overview

The Dialight 5590001821 is an LED panel indicator featuring a snap-in design with a round panel cutout (0.25" / 6.35mm) and 5mm T-1 3/4 lens with domed top. This component is classified as obsolete, making identification of compatible substitutes essential for ongoing system maintenance and component procurement.

The active substitute part 5590001821F provides functional continuity for applications requiring this snap-in LED panel indicator configuration.

Substiute Parts

5590001821

DialightIn Stock: 7805590001821 Datasheet

Current PartRFQ

5590001821F

DialightIn Stock: 8555590001821F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 5590001821F is classified as a direct manufacturer equivalent within the Dialight 559 series. Substitution is valid based on the following matching parameters:

• Manufacturer: Dialight (same manufacturer ensures design consistency)
• Series: 559 (same product line)
• Panel Cutout Dimensions: 0.25" (6.35mm) (mechanical compatibility with panel mounting)
• Lens Size: 5mm, T-1 3/4 (optical and physical form factor match)
• MSL Rating: 1 (Unlimited) (identical moisture sensitivity classification)
• ECCN and HTSUS codes (regulatory alignment)

The primary distinction is product status: 5590001821 is obsolete, while 5590001821F is active and available in production quantities.

Parameter Comparison

Engineering Selection Recommendations

Selection between 5590001821 and 5590001821F should be based on the following criteria:

For New Designs and Procurement: Part 5590001821F is the appropriate selection. This part carries active product status with current manufacturing support and ROHS3 compliance, ensuring long-term availability and regulatory alignment with modern environmental standards.

For Legacy System Maintenance: Part 5590001821 remains available in inventory (760 units in stock). However, transition to 5590001821F is recommended due to its active status and superior compliance profile.

Compliance Consideration: The substitute part 5590001821F meets ROHS3 requirements, whereas the original part 5590001821 is RoHS non-compliant. Applications subject to RoHS regulations must use the substitute part.

Frequently Asked Questions (FAQ)

Q: Are 5590001821 and 5590001821F mechanically interchangeable?

A: Yes. Both parts share the same panel cutout dimensions (0.25" / 6.35mm), lens size (5mm, T-1 3/4), and lens style (round with domed top), ensuring direct mechanical compatibility in snap-in panel mounting applications.

Q: What is the primary reason to substitute 5590001821 with 5590001821F?

A: The original part 5590001821 is classified as obsolete. The substitute 5590001821F is an active product with ongoing manufacturing support, ensuring reliable procurement for current and future applications.

Q: Does the substitute part meet RoHS requirements?

A: Yes. Part 5590001821F is ROHS3 compliant, whereas the original part 5590001821 is RoHS non-compliant. Applications requiring RoHS compliance must use the substitute part.

Q: Are there differences in packaging between these parts?

A: Both parts are supplied in bulk packaging. No packaging format differences exist between the two parts.

Q: What is the base product number for 5590001821F?

A: The base product number is 5590001, which serves as the foundation for the 559 series LED panel indicator family.

Q: Are both parts subject to the same export classifications?

A: Yes. Both parts carry identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, indicating equivalent export control and tariff treatment.