LA-301XL Yellow 7-Segment LED Display - Equivalent & Substitute Parts

Part Overview

The LA-301XL is a single-character yellow 7-segment LED display manufactured by Rohm Semiconductor in a 10-DIP package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The display operates with a common cathode configuration and is suitable for numeric and alphanumeric applications requiring yellow LED indicators.

Substiute Parts

LA-301XL

Rohm SemiconductorIn Stock: 1071LA-301XL Datasheet

Current PartRFQ

HDSP-U313

Broadcom LimitedIn Stock: 944HDSP-U313 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LA-301XL is determined by the following critical parameters:

• Display Type: 7-Segment configuration
• Number of Characters: Single character (1)
• Digit Size: 0.31" (8.00mm)
• Common Pin Configuration: Common Cathode
• Color: Yellow
• Package / Case: 10-DIP (0.209", 5.30mm)
• Compliance: ROHS3 Compliant, REACH Unaffected

The HDSP-U313 from Broadcom Limited meets all mechanical and functional requirements for direct substitution. Both parts share identical display architecture, package footprint, and compliance certifications. Electrical parameter variations (forward voltage, test current, and wavelength) fall within acceptable ranges for yellow 7-segment LED displays and do not preclude functional equivalence in standard applications.

Parameter Comparison

Engineering Selection Recommendations

The HDSP-U313 is the qualified substitute for the obsolete LA-301XL. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current production environments. The HDSP-U313 carries active product status, providing supply chain continuity and long-term availability.

Physical compatibility is confirmed through identical 10-DIP package specifications and matching digit size. The 1.1mm width variance (7.10mm vs. 7.00mm) remains within standard PCB layout tolerances and does not affect mechanical fit or electrical performance.

Electrical parameter differences are within acceptable operational ranges for 7-segment display applications. The higher forward voltage (2.2V vs. 2.05V) and increased test current (20mA vs. 10mA) require verification against circuit design specifications to confirm driver compatibility and power budget alignment.

Frequently Asked Questions (FAQ)

Q: Can the HDSP-U313 replace the LA-301XL in existing designs?

A: Yes, the HDSP-U313 is mechanically and functionally compatible. Both components use identical 10-DIP packaging, common cathode configuration, and 0.31" digit size. Circuit design verification is required to confirm driver voltage and current ratings accommodate the HDSP-U313 electrical specifications.

Q: What are the key differences between these two parts?

A: The primary differences are forward voltage (2.05V vs. 2.2V), test current (10mA vs. 20mA), and product status (obsolete vs. active). The HDSP-U313 also has slightly higher power dissipation (80mW vs. 65mW) and lower millicandela rating (2.74mcd vs. 90mcd). These variations do not affect package compatibility or display functionality.

Q: Are both parts RoHS compliant?

A: Yes, both the LA-301XL and HDSP-U313 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the physical dimension difference?

A: The width dimension differs by 1.1mm (7.10mm for HDSP-U313 vs. 7.00mm for LA-301XL). This variance is within standard PCB layout tolerances and does not affect mounting or electrical performance.

Q: Why is the LA-301XL obsolete?

A: The LA-301XL is classified as obsolete by the manufacturer. The HDSP-U313 is an active product offering equivalent functionality and is recommended for new designs and production continuity.