SPMWHT541MD5WAWHSB LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MD5WAWHSB is a Samsung Semiconductor LM561B series warm white LED designed for surface mount lighting applications. This component operates at 2700K color temperature with a forward voltage of 2.95V and produces 28 lumens at 65mA test current. The part is classified as "Not For New Designs," indicating it has been superseded in Samsung's product portfolio. Identification of compatible substitute parts is necessary for ongoing production support, maintenance applications, and component sourcing continuity.

Substiute Parts

SPMWHT541MD5WAWHSB

Samsung Semiconductor, Inc.In Stock: 1046SPMWHT541MD5WAWHSB Datasheet

Current PartRFQ

SPMWHT541MP5WAWMS4

Samsung Semiconductor, Inc.In Stock: 26064SPMWHT541MP5WAWMS4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPMWHT541MD5WAWHSB is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

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

Allowable Variation Parameters:

• Flux output at 25°C: Within acceptable lumen range for warm white 5630 LEDs
• Lumens/Watt efficiency: Higher efficiency acceptable for improved performance
• Current - Max: Higher maximum current rating acceptable
• Package dimensions: Minor variations acceptable within 5630 form factor constraints
• Thermal Resistance: Lower thermal resistance acceptable for improved heat dissipation
• Product Status: Active status preferred for ongoing availability

The SPMWHT541MP5WAWMS4 qualifies as a substitute based on matching all critical parameters while offering improved performance characteristics in flux output, efficiency, and thermal properties.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SPMWHT541MP5WAWMS4

The SPMWHT541MP5WAWMS4 is the qualified substitute for the SPMWHT541MD5WAWHSB based on the following engineering criteria:

1. Electrical Compatibility: Both parts operate at identical forward voltage (2.95V) and test current (65mA), ensuring direct circuit compatibility without modification to drive electronics or current-limiting resistor values.

2. Optical Compatibility: Both parts deliver warm white light at 2700K with CRI of 80 and 120° viewing angle. The substitute provides higher flux output (31 lm vs. 28 lm) and improved efficiency (162 lm/W vs. 146 lm/W), resulting in enhanced brightness without circuit redesign.

3. Mechanical Compatibility: Both parts are 5630 form factor surface mount devices with 4-SMD configuration. The substitute has a slightly larger length (5.60 mm vs. 5.00 mm) and lower profile (0.80 mm vs. 0.90 mm), compatible with standard PCB layouts designed for 5630 LEDs.

4. Compliance and Certification: Both parts are RoHS Compliant with identical MSL rating of 2A (4 Weeks), ensuring equivalent handling and storage requirements.

5. Product Status: The substitute is classified as Active, providing long-term availability and production continuity compared to the main part's "Not For New Designs" status.

6. Thermal Performance: The substitute offers improved thermal resistance (15°C/W vs. 16°C/W), supporting better heat dissipation in thermal-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can the SPMWHT541MP5WAWMS4 be used as a direct replacement for the SPMWHT541MD5WAWHSB without circuit modification?

A: Yes. Both parts operate at 2.95V forward voltage and 65mA test current. No changes to drive circuitry, current-limiting resistors, or power supply specifications are required for direct substitution.

Q: What is the difference in physical dimensions between these parts?

A: The main part measures 5.00 x 3.00 mm with 0.90 mm seated height. The substitute measures 5.60 x 3.00 mm with 0.80 mm seated height. Both are 5630 form factor devices. The substitute is 0.60 mm longer but 0.10 mm lower in profile. Standard PCB layouts designed for 5630 LEDs accommodate both dimensions.

Q: Will the higher lumen output of the substitute affect circuit operation?

A: No. The substitute produces 31 lumens versus 28 lumens at the same 65mA test current. This increased output results from improved LED efficiency, not from higher current draw. Circuit operation remains identical.

Q: Are the color characteristics identical between the main part and substitute?

A: Yes. Both parts deliver warm white light at 2700K with CRI of 80 and 120° viewing angle. Color temperature and rendering index are identical.

Q: What is the significance of the "Not For New Designs" status of the main part?

A: This designation indicates the SPMWHT541MD5WAWHSB has been superseded in Samsung's product portfolio. The SPMWHT541MP5WAWMS4 is the active replacement, offering improved performance and long-term availability for new and ongoing production applications.

Q: Are storage and handling requirements the same for both parts?

A: Yes. Both parts carry MSL rating of 2A (4 Weeks), requiring identical moisture sensitivity precautions and storage conditions.

Q: What is the thermal resistance difference, and does it matter for typical applications?

A: The substitute has 15°C/W thermal resistance versus 16°C/W for the main part. This 1°C/W improvement provides better heat dissipation in thermally constrained designs, though both parts are suitable for standard lighting applications.