Samsung SPMWHT541MP5WAPUS4 LED LM561B Plus White 6500K Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP5WAPUS4 is a Samsung Semiconductor LED lighting component from the LM561B Plus series, featuring cool white 6500K color temperature in a 5630 surface mount package. This part is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations requiring this component for legacy system maintenance, repair operations, or existing inventory replenishment must identify active production equivalents that maintain identical electrical and mechanical specifications to ensure direct compatibility without circuit redesign.

Substiute Parts

SPMWHT541MP5WAPUS4

Samsung Semiconductor, Inc.In Stock: 1072SPMWHT541MP5WAPUS4 Datasheet

Current PartRFQ

SPMWHT541MP5WAP0S4

Samsung Semiconductor, Inc.In Stock: 886SPMWHT541MP5WAP0S4 Datasheet

Parametric EquivalentRFQ

SPMWHT541MP5WAPKS4

Samsung Semiconductor, Inc.In Stock: 48537SPMWHT541MP5WAPKS4 Datasheet

Parametric EquivalentRFQ

SPMWHT541MP5WAPMS4

Samsung Semiconductor, Inc.In Stock: 1007SPMWHT541MP5WAPMS4 Datasheet

Parametric EquivalentRFQ

SPMWHT541MP5WAPSS4

Samsung Semiconductor, Inc.In Stock: 891SPMWHT541MP5WAPSS4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SPMWHT541MP5WAPUS4 is determined by strict parametric matching across the following critical criteria:

Electrical Parameters (Must Match):

• Forward Voltage (Vf): 2.95V
• Test Current: 65mA
• Maximum Current: 180mA
• Luminous Flux @ 25°C, 65mA: 33lm (32lm ~ 34lm range)
• Color Temperature (CCT): 6500K
• Color Rendering Index (CRI): 80

Mechanical Parameters (Must Match):

• Package Type: 4-SMD, Flat Leads
• Supplier Device Package: 5630
• Dimensions: 0.197" L x 0.118" W (5.00mm x 3.00mm)
• Height - Seated (Max): 0.031" (0.80mm)
• Mounting Type: Surface Mount

Environmental & Compliance Parameters:

• Moisture Sensitivity Level (MSL): 2A (4 Weeks)
• RoHS Compliance Status

All four substitute parts listed below maintain identical electrical and mechanical specifications to the main part number, ensuring direct pin-for-pin and form-factor compatibility in existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SPMWHT541MP5WAPKS4

The SPMWHT541MP5WAPKS4 is the recommended substitute for the end-of-life SPMWHT541MP5WAPUS4. This part maintains all critical electrical and mechanical parameters while offering the following advantages:

• Active production status ensures long-term availability and supply chain continuity
• ROHS3 compliance provides enhanced environmental regulatory coverage
• Highest inventory availability (48,482 units) among all substitutes
• Identical electrical performance: 2.95V Vf, 65mA test current, 33lm luminous flux, 80 CRI, 6500K CCT
• Identical mechanical form factor: 5630 package, 4-SMD flat leads, 5.00mm x 3.00mm dimensions, 0.80mm seated height
• Thermal resistance specification (15°C/W) matches the main part

Secondary Substitutes: SPMWHT541MP5WAPMS4 and SPMWHT541MP5WAPSS4

Both parts are functionally equivalent with identical electrical specifications and mechanical dimensions. SPMWHT541MP5WAPMS4 carries standard RoHS compliance, while SPMWHT541MP5WAPSS4 offers ROHS3 compliance with marginally improved thermal resistance (14°C/W versus 15°C/W). Both maintain active production status.

Tertiary Substitute: SPMWHT541MP5WAP0S4

This part provides full parametric equivalence with active production status and standard RoHS compliance. Inventory availability is moderate (830 units).

All four substitutes are direct replacements requiring no circuit modifications, PCB layout changes, or firmware adjustments.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAPKS4 be used as a direct replacement for SPMWHT541MP5WAPUS4 without any circuit modifications?

A: Yes. The SPMWHT541MP5WAPKS4 maintains identical electrical parameters (2.95V Vf, 65mA test current, 180mA maximum current, 33lm luminous flux) and mechanical specifications (5630 package, 4-SMD flat leads, 5.00mm x 3.00mm dimensions, 0.80mm height). No circuit redesign, PCB layout changes, or firmware updates are required.

Q: What is the difference between the RoHS and ROHS3 compliance designations on these parts?

A: ROHS3 represents an enhanced compliance standard with stricter restrictions on hazardous substances compared to standard RoHS. Both designations indicate the parts are compliant with regulatory requirements; ROHS3 provides additional environmental assurance. This difference does not affect electrical or mechanical compatibility.

Q: Why does SPMWHT541MP5WAPSS4 have a thermal resistance of 14°C/W while other substitutes specify 15°C/W?

A: The 14°C/W thermal resistance on SPMWHT541MP5WAPSS4 represents a marginal improvement in thermal performance. This does not affect functional compatibility or electrical operation. Both values fall within acceptable thermal management parameters for the 5630 package form factor.

Q: Are all substitute parts available in Tape & Reel (TR) packaging?

A: Yes. All substitute parts listed—SPMWHT541MP5WAP0S4, SPMWHT541MP5WAPKS4, SPMWHT541MP5WAPMS4, and SPMWHT541MP5WAPSS4—are supplied in Tape & Reel packaging, maintaining compatibility with automated assembly equipment and handling procedures.

Q: What is the Moisture Sensitivity Level (MSL) 2A specification, and does it affect substitution?

A: MSL 2A indicates the component requires controlled moisture exposure with a maximum floor life of 4 weeks after bag opening. All substitute parts carry identical MSL 2A specifications, ensuring equivalent handling, storage, and assembly requirements. No additional moisture control measures are needed when substituting.

Q: Which substitute part offers the best long-term supply availability?

A: SPMWHT541MP5WAPKS4 provides the highest inventory availability at 48,482 units, combined with active production status and ROHS3 compliance. This combination ensures sustained supply chain access for ongoing production requirements and future replenishment needs.

Q: Do the substitute parts maintain the same 120° viewing angle as the original part?

A: Yes. All substitute parts maintain the 120° viewing angle specification, ensuring identical light distribution characteristics in optical system designs.

Q: Can these LED components be used interchangeably in existing assemblies without re-qualification?

A: The substitute parts maintain identical electrical and mechanical specifications to the original SPMWHT541MP5WAPUS4. However, component substitution decisions should follow your organization's engineering change control procedures and qualification protocols.