SPMWHT541MD5WAR0SC LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MD5WAR0SC is a Samsung Semiconductor LM561B series cool white LED (5000K) designed for surface mount lighting applications. This component features a 5630 package format with 4-SMD flat lead exposed pad configuration, delivering 33lm at 65mA test current with 172 lm/W efficiency and 80 CRI. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and transition to active product alternatives that meet identical or superior electrical and mechanical specifications.

Substiute Parts

SPMWHT541MD5WAR0SC

Samsung Semiconductor, Inc.In Stock: 7857SPMWHT541MD5WAR0SC Datasheet

Current PartRFQ

SPMWHT541MP5WARKS4

Samsung Semiconductor, Inc.In Stock: 73422SPMWHT541MP5WARKS4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPMWHT541MD5WAR0SC is determined by strict equivalence across the following critical parameters:

Electrical Compatibility:

• Color and correlated color temperature (CCT): White, Cool 5000K
• Forward voltage: 2.95V nominal
• Test current: 65mA
• Luminous flux range: 31–35lm at 25°C, 65mA
• Color Rendering Index (CRI): 80
• Viewing angle: 120°

Mechanical Compatibility:

• Package type: 4-SMD, flat lead configuration
• Supplier device package: 5630
• Physical dimensions: 5.00mm × 3.00mm
• Mounting type: Surface Mount

Regulatory & Environmental:

• RoHS compliance status
• Moisture Sensitivity Level (MSL): 2A

The substitute part SPMWHT541MP5WARKS4 meets all electrical and mechanical equivalence criteria. The primary distinction is product status (active vs. end-of-life) and packaging format (Cut Tape vs. Tape & Reel).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SPMWHT541MP5WARKS4

The SPMWHT541MP5WARKS4 is the direct functional equivalent for the SPMWHT541MD5WAR0SC. Selection of this substitute is based on the following engineering criteria:

1. Product Status: The substitute is classified as Active, whereas the main part is Not For New Designs. This transition ensures long-term supply chain viability and compliance with manufacturer lifecycle policies.

2. Electrical Equivalence: Both parts operate at identical forward voltage (2.95V), test current (65mA), color temperature (5000K), and CRI (80). Luminous flux specifications overlap within the 31–35lm range, with the substitute delivering 34lm nominal.

3. Mechanical Compatibility: Both components use the 5630 package format with 4-SMD surface mount configuration and identical footprint dimensions (5.00mm × 3.00mm). The substitute features a lower maximum height (0.80mm vs. 0.90mm), which is advantageous for space-constrained applications.

4. Performance Enhancement: The substitute demonstrates improved thermal resistance (15°C/W vs. 16°C/W) and higher luminous efficacy (177 lm/W vs. 172 lm/W), indicating superior thermal management and energy efficiency.

5. Regulatory Compliance: Both parts meet RoHS requirements. The substitute carries ROHS3 certification, reflecting current compliance standards.

6. Packaging Consideration: The main part is supplied in Tape & Reel format, while the substitute is available in Cut Tape format. Selection between these packaging options depends on production volume and assembly line requirements; both formats are compatible with standard SMT equipment.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WARKS4 be used as a direct replacement for SPMWHT541MD5WAR0SC in existing designs?

A: Yes. Both parts share identical electrical specifications (2.95V forward voltage, 65mA test current, 5000K color temperature, 80 CRI) and mechanical footprint (5630 package, 5.00mm × 3.00mm). PCB layout and circuit design require no modification. The substitute's lower profile (0.80mm vs. 0.90mm) and improved thermal characteristics present no compatibility issues.

Q: What is the difference between "Flat Lead Exposed Pad" and "Flat Leads" package descriptions?

A: Both descriptions refer to the same 4-SMD 5630 package configuration. The terminology variation reflects different manufacturer documentation conventions. The physical lead structure and soldering interface are functionally equivalent.

Q: Why does the substitute have a higher maximum current rating (180mA vs. 150mA)?

A: The SPMWHT541MP5WARKS4 (LM561B Plus series) incorporates improved thermal design and die architecture, enabling higher current handling capability. At the standard test current of 65mA, both parts operate identically. The higher maximum rating provides additional design margin and operational flexibility without affecting compatibility at nominal operating conditions.

Q: Are there packaging format constraints when substituting between Tape & Reel and Cut Tape?

A: Packaging format selection depends on production volume and assembly equipment. Tape & Reel (TR) format is optimized for high-volume automated assembly lines. Cut Tape (CT) format is suitable for lower volumes or manual assembly. Both formats are compatible with standard SMT pick-and-place equipment. Verify your assembly process requirements before selecting packaging format.

Q: Does the substitute's improved thermal resistance (15°C/W vs. 16°C/W) require circuit design changes?

A: No. The improved thermal resistance of the substitute is a performance enhancement that reduces junction temperature under identical operating conditions. Existing thermal design calculations remain valid; the substitute will operate at lower junction temperatures, extending component life and improving reliability margins.

Q: What is the significance of ROHS3 compliance on the substitute part?

A: ROHS3 represents the current regulatory standard for hazardous substance restrictions in electrical and electronic equipment. Both the main part (RoHS Compliant) and substitute (ROHS3 Compliant) meet environmental requirements. ROHS3 certification indicates the substitute aligns with the latest regulatory framework.

Q: Can the substitute be used in applications requiring the exact same luminous flux as the main part?

A: Yes. The main part specifies 33lm (31–35lm range) at 25°C, 65mA. The substitute specifies 34lm (33–35lm range) at the same conditions. Both fall within overlapping flux ranges. For applications with strict flux tolerance requirements, individual component binning or flux measurement may be necessary; consult Samsung Semiconductor technical documentation for available flux bins.