SPMWHT541MD5WAWMS3 LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MD5WAWMS3 is a Samsung Semiconductor LM561B series warm white LED (2700K) designed for surface mount applications. This component features a 5630 package format with 4-SMD flat lead exposed pad configuration, delivering 29 lumens at 65mA test current with a forward voltage of 2.95V typical.

The SPMWHT541MD5WAWMS3 carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this LED specification.

Substiute Parts

SPMWHT541MD5WAWMS3

Samsung Semiconductor, Inc.In Stock: 1127SPMWHT541MD5WAWMS3 Datasheet

Current PartRFQ

SPMWHT541MP5WAWMS4

Samsung Semiconductor, Inc.In Stock: 26064SPMWHT541MP5WAWMS4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SPMWHT541MD5WAWMS3 is determined by the following critical parameters:

Primary Substitution Criteria:

• Color and CCT: White, Warm 2700K (exact match required)
• Forward Voltage (Typ): 2.95V (exact match required)
• Test Current: 65mA (exact match required)
• Viewing Angle: 120° (exact match required)
• CRI: 80 (exact match required)
• Package / Case: 4-SMD configuration (exact match required)
• Supplier Device Package: 5630 (exact match required)
• Mounting Type: Surface Mount (exact match required)
• RoHS Compliance: Required
• MSL Rating: 2A (4 Weeks) (exact match required)

Secondary Compatibility Parameters:

• Flux output tolerance range
• Lumens/Watt efficiency
• Maximum current rating
• Thermal resistance
• Physical dimensions (within tolerance)

The SPMWHT541MP5WAWMS4 qualifies as a substitute part based on matching all primary substitution criteria while demonstrating improved performance characteristics in secondary parameters.

Parameter Comparison

Engineering Selection Recommendations

SPMWHT541MP5WAWMS4 as Primary Substitute:

The SPMWHT541MP5WAWMS4 is the qualified substitute for the obsolete SPMWHT541MD5WAWMS3. Selection of this substitute is supported by the following engineering factors:

1. Product Status Alignment: The substitute part carries Active product status, ensuring ongoing manufacturer support, supply chain availability, and continued production capability. The main part is classified as Obsolete, making substitution necessary for sustained design support.

2. Electrical Parameter Equivalence: Both parts maintain identical forward voltage (2.95V typical), test current (65mA), viewing angle (120°), and CRI (80). These parameters ensure direct functional compatibility in existing circuit designs without modification to drive electronics or optical requirements.

3. Compliance Certification: Both parts are RoHS Compliant and carry identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, confirming regulatory and export compliance equivalence.

4. Moisture Sensitivity Equivalence: Both parts share MSL Rating 2A (4 Weeks), ensuring identical handling, storage, and assembly process requirements.

5. Performance Enhancement: The substitute part demonstrates improved performance characteristics: flux output increases from 29 lm to 31 lm, lumens/watt efficiency improves from 151 to 162 lm/W, and thermal resistance decreases from 16°C/W to 15°C/W. Maximum current rating increases from 150mA to 180mA.

6. Physical Compatibility: The substitute part maintains the 5630 package format and 4-SMD surface mount configuration. Dimensional differences (length 5.60mm vs. 5.00mm, height 0.80mm vs. 0.90mm) are within typical PCB layout tolerances for 5630 package footprints.

Selection Conclusion: The SPMWHT541MP5WAWMS4 is the direct substitute for the SPMWHT541MD5WAWMS3 for all applications requiring warm white 2700K LED lighting at 65mA test current with 120° viewing angle and 80 CRI specification.

Frequently Asked Questions (FAQ)

Q: Can the SPMWHT541MP5WAWMS4 be used as a direct replacement for the SPMWHT541MD5WAWMS3 without circuit modification?

A: Yes. Both parts share identical forward voltage (2.95V), test current (65mA), and electrical operating parameters. No circuit modification is required. The substitute part operates within the same electrical specifications as the original part.

Q: What is the difference between the LM561B and LM561B Plus series?

A: The LM561B Plus series (represented by SPMWHT541MP5WAWMS4) demonstrates improved luminous flux output (31 lm vs. 29 lm at 65mA) and enhanced lumens/watt efficiency (162 lm/W vs. 151 lm/W). Both series maintain identical color temperature (2700K), forward voltage (2.95V), and CRI (80).

Q: Are there any PCB layout considerations when switching from SPMWHT541MD5WAWMS3 to SPMWHT541MP5WAWMS4?

A: The substitute part has a slightly longer length (5.60mm vs. 5.00mm) and lower seated height (0.80mm vs. 0.90mm). Standard 5630 package footprints accommodate both dimensions. Verify PCB layout clearances for the 0.60mm length increase if space constraints exist in your design.

Q: Do both parts require identical handling and storage procedures?

A: Yes. Both parts carry MSL Rating 2A (4 Weeks), requiring identical moisture sensitivity handling, storage conditions, and assembly process requirements. No changes to component handling procedures are necessary.

Q: What is the inventory status of each part?

A: The SPMWHT541MD5WAWMS3 (Obsolete) has 1025 pieces in stock. The SPMWHT541MP5WAWMS4 (Active) has 25996 pieces in stock, providing significantly greater supply availability for ongoing production requirements.

Q: Are both parts RoHS compliant?

A: Yes. Both the SPMWHT541MD5WAWMS3 and SPMWHT541MP5WAWMS4 are RoHS Compliant and carry identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications.

Q: What is the maximum current rating difference between the two parts?

A: The SPMWHT541MD5WAWMS3 has a maximum current rating of 150mA, while the SPMWHT541MP5WAWMS4 has a maximum current rating of 180mA. Both parts are rated for 65mA test current. The increased maximum rating on the substitute part provides additional design margin.

Q: How do the thermal resistance values compare?

A: The SPMWHT541MD5WAWMS3 has thermal resistance of 16°C/W, while the SPMWHT541MP5WAWMS4 has thermal resistance of 15°C/W. The substitute part demonstrates improved thermal performance, resulting in lower junction temperature at equivalent power dissipation.