HCMS-2976 Equivalent & Substitute Parts

Part Overview

The HCMS-2976 is a 5 x 7 dot matrix display module featuring blue LEDs with serial interface connectivity. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations. The module measures 1.69" L x 0.45" W x 0.21" H and operates with a millicandela rating of 170µcd, providing adequate brightness for standard display applications.

Substiute Parts

HCMS-2976

Broadcom LimitedIn Stock: 768HCMS-2976 Datasheet

Current PartRFQ

HCMS-2973

Broadcom LimitedIn Stock: 1410HCMS-2973 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the HCMS-2976 is determined by the following critical parameters:

• Series Compatibility: Both parts belong to the HCMS-29xx series, ensuring mechanical and electrical interface compatibility
• Configuration: Identical 5 x 7 dot matrix layout maintains pin-to-pin compatibility
• Interface Type: Serial interface standard across both parts enables direct circuit integration
• Physical Dimensions: Matching form factor (1.69" L x 0.45" W) ensures PCB footprint compatibility
• Moisture Sensitivity Level: Both parts rated MSL 1 (Unlimited) provide equivalent environmental handling requirements
• Regulatory Compliance: Both parts maintain REACH Unaffected and EAR99 ECCN classifications

The primary difference between the main part and substitute is the LED color (blue versus green) and corresponding millicandela rating adjustment, which does not affect electrical or mechanical substitution eligibility within the same series.

Parameter Comparison

Engineering Selection Recommendations

The HCMS-2973 serves as the primary substitute for the obsolete HCMS-2976. Selection of this substitute is supported by the following factors:

• Product Status Alignment: The HCMS-2973 maintains active production status, ensuring long-term availability and supply chain continuity
• Series Continuity: Both components belong to the HCMS-29xx series, guaranteeing mechanical and electrical interface compatibility without circuit redesign
• Regulatory Compliance: The HCMS-2973 achieves ROHS3 compliance, providing enhanced environmental and regulatory standing compared to the obsolete predecessor
• Identical Interface and Configuration: Serial interface and 5 x 7 configuration enable direct functional replacement
• Equivalent Environmental Rating: Matching MSL 1 classification ensures identical handling and storage requirements

The color difference (green versus blue) and millicandela rating variance (114µcd versus 170µcd) represent the only functional distinctions and must be evaluated against specific application display requirements.

Frequently Asked Questions (FAQ)

Q: Can the HCMS-2973 directly replace the HCMS-2976 without circuit modifications?

A: Yes. Both components share identical series designation (HCMS-29xx), configuration (5 x 7), interface type (serial), and physical dimensions. Direct pin-to-pin substitution is supported without circuit redesign.

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

A: The HCMS-2976 features blue LEDs with 170µcd brightness, while the HCMS-2973 features green LEDs with 114µcd brightness. Both maintain identical electrical and mechanical specifications within the HCMS-29xx series.

Q: Why is the HCMS-2976 listed as obsolete?

A: The HCMS-2976 has reached end-of-life status. The HCMS-2973 remains in active production and serves as the recommended substitute for ongoing applications and new designs.

Q: Are there packaging differences between these parts?

A: The HCMS-2973 is specified with Tube packaging. Packaging specifications for the HCMS-2976 are not provided in the technical data.

Q: Do both parts meet the same regulatory requirements?

A: Both parts maintain REACH Unaffected and EAR99 ECCN classifications. The HCMS-2973 additionally achieves ROHS3 compliance, providing enhanced regulatory alignment for current applications.

Q: What is the moisture sensitivity level for both components?

A: Both the HCMS-2976 and HCMS-2973 are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.