Equivalent & Substitute Parts for SPMWHT541MP5WAW0SD

Part Overview

The SPMWHT541MP5WAW0SD is a Samsung Semiconductor LM561B Plus white warm LED (2700K) in 5630 surface mount package with 4-SMD flat leads configuration. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The part delivers 32lm at 65mA test current with 2.95V forward voltage and 120° viewing angle. Due to its discontinued status, equivalent substitute parts from the active LM561B Plus and LM561C series are available to maintain design continuity and ensure supply chain reliability.

Substiute Parts

SPMWHT541MP5WAW0SD

Samsung Semiconductor, Inc.In Stock: 764SPMWHT541MP5WAW0SD Datasheet

Current PartRFQ

SPMWHT541MP5WAWMS5

Samsung Semiconductor, Inc.In Stock: 23523SPMWHT541MP5WAWMS5 Datasheet

SimilarRFQ

SPMWHT541ML5XAW0S0

Samsung Semiconductor, Inc.In Stock: 1160SPMWHT541ML5XAW0S0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML5XAWKS0

Samsung Semiconductor, Inc.In Stock: 870SPMWHT541ML5XAWKS0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML5XAWMS0

Samsung Semiconductor, Inc.In Stock: 32036SPMWHT541ML5XAWMS0 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for SPMWHT541MP5WAW0SD is determined by the following critical parameters:

Primary Substitution Criteria:

• Color and CCT: White, Warm 2700K (exact match required)
• Package / Case: 4-SMD, Flat Leads (5630 form factor)
• Mounting Type: Surface Mount
• Size / Dimension: 5.00mm × 3.00mm
• Height (Seated Max): 0.80mm
• Test Current: 65mA nominal operation
• Maximum Current: 180mA rating
• CRI: 80 minimum
• Viewing Angle: 120°
• MSL Rating: 2A (4 Weeks)

Acceptable Parameter Variance:

• Flux @ 25°C: 30–34lm range (includes original 32lm specification)
• Forward Voltage (Vf): Tolerance within typical LED operating range (2.75V–2.95V)
• Lumens/Watt: Efficiency variation acceptable within series specifications
• Thermal Resistance: Lower values acceptable (improved thermal performance)
• RoHS Status: Both RoHS Compliant and ROHS3 Compliant acceptable

Series Compatibility:

• LM561B Plus series (Active status preferred over Not For New Designs)
• LM561C series (Parametric equivalent with improved thermal characteristics)

All substitute parts maintain identical mechanical fit, electrical interface, and optical performance within specified tolerances.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility):

SPMWHT541MP5WAWMS5 is the primary substitute for SPMWHT541MP5WAW0SD. Both parts belong to the LM561B Plus series and maintain identical electrical and mechanical specifications. SPMWHT541MP5WAWMS5 carries Active product status, ensuring continued availability and supply chain support. The part demonstrates improved thermal resistance (15°C/W versus 16°C/W) and higher luminous efficacy (172 lm/W versus 162 lm/W) while maintaining all critical parameters within acceptable tolerance. ROHS3 compliance provides enhanced environmental certification.

Parametric Equivalents (Series Upgrade):

SPMWHT541ML5XAWMS0, SPMWHT541ML5XAW0S0, and SPMWHT541ML5XAWKS0 represent the LM561C series, which offers improved thermal performance (12°C/W thermal resistance) and higher luminous efficacy (176–180 lm/W). These parts maintain identical package geometry, mounting type, and optical specifications. Forward voltage ranges from 2.75V to 2.8V, representing a 0.15V to 0.20V reduction compared to the original 2.95V specification. All three LM561C variants carry Active product status.

Compliance Considerations:

All substitute parts maintain MSL 2A (4 Weeks) moisture sensitivity rating and are compliant with RoHS or ROHS3 standards. Selection between RoHS Compliant and ROHS3 Compliant variants depends on end-application environmental requirements and regional regulatory mandates.

Inventory Availability:

SPMWHT541ML5XAWMS0 offers the highest inventory availability (31,957 pcs), followed by SPMWHT541MP5WAWMS5 (23,477 pcs), supporting high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAWMS5 directly replace SPMWHT541MP5WAW0SD without circuit modification?

A: Yes. SPMWHT541MP5WAWMS5 maintains identical forward voltage (2.95V), test current (65mA), maximum current (180mA), and all mechanical specifications. No circuit redesign is required. Both parts operate within the same electrical parameters and package footprint.

Q: What is the difference between LM561B Plus and LM561C series substitutes?

A: LM561C series parts (SPMWHT541ML5XAW0S0, SPMWHT541ML5XAWKS0, SPMWHT541ML5XAWMS0) feature lower forward voltage (2.75V–2.8V versus 2.95V) and improved thermal resistance (12°C/W versus 16°C/W). Luminous flux output remains within the 30–34lm specification range. LM561C represents a parametric equivalent with enhanced thermal performance suitable for applications requiring improved heat dissipation.

Q: Are all substitute parts mechanically compatible with the original PCB layout?

A: Yes. All substitute parts maintain identical 5630 package dimensions (5.00mm × 3.00mm), 0.80mm seated height, 4-SMD flat leads configuration, and surface mount mounting type. PCB footprints and assembly processes require no modification.

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

A: "Not For New Designs" indicates the SPMWHT541MP5WAW0SD has reached end-of-life and is no longer recommended for new product development. Substitute parts with Active status (SPMWHT541MP5WAWMS5, LM561C variants) ensure long-term supply chain continuity and manufacturer support for ongoing production.

Q: How do forward voltage differences affect circuit design?

A: LM561C variants operate at 2.75V–2.8V compared to the original 2.95V. This 0.15V–0.20V reduction decreases power dissipation and improves overall circuit efficiency. Existing current-limiting resistor values remain valid, as the 65mA test current specification is maintained across all parts. No recalculation of drive circuitry is necessary.

Q: Which substitute part offers the best thermal performance?

A: SPMWHT541ML5XAW0S0, SPMWHT541ML5XAWKS0, and SPMWHT541ML5XAWMS0 all feature 12°C/W thermal resistance, compared to 16°C/W for the original part and 15°C/W for SPMWHT541MP5WAWMS5. LM561C series parts dissipate heat more efficiently, reducing junction temperature rise in high-current or thermally constrained applications.

Q: Are there differences in RoHS compliance between substitute options?

A: SPMWHT541MP5WAWMS5 and SPMWHT541ML5XAWMS0 carry ROHS3 Compliant certification. SPMWHT541ML5XAW0S0 and SPMWHT541ML5XAWKS0 carry RoHS Compliant certification. Both certifications meet environmental regulatory requirements; selection depends on specific regional or customer mandates requiring ROHS3 designation.

Q: Can I mix different substitute parts in the same production batch?

A: All substitute parts maintain identical optical output (32lm ±2lm), color temperature (2700K), CRI (80), and viewing angle (120°). Mixing LM561B Plus and LM561C series parts in the same assembly produces uniform visual performance. However, forward voltage variation (2.75V–2.95V) may result in minor current distribution differences in parallel-connected LED strings; series connection eliminates this consideration.

Q: What is the MSL rating and why is it important?

A: MSL 2A (4 Weeks) indicates the component can be exposed to ambient conditions of 30°C/85% RH for up to 4 weeks before soldering. Exceeding this exposure period requires baking at 125°C for 24 hours to remove absorbed moisture. All substitute parts share this rating with the original part, maintaining identical moisture handling procedures.