SPMWHT541MP5WAPHS4 LED LM561B Plus White 6500K Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP5WAPHS4 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 alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	SPMWHT541MP5WAPHS4
Manufacturer	Samsung Semiconductor, Inc.
Series	LM561B Plus
Color / CCT	White, Cool / 6500K
Flux @ 25°C, 65mA	33lm (32lm ~ 34lm)
Forward Voltage (Vf) Typical	2.95V
Test Current	65mA
Maximum Current	180mA
Lumens/Watt @ Test Current	172 lm/W
Color Rendering Index (CRI)	80
Viewing Angle	120°
Package / Case	4-SMD, Flat Leads
Supplier Device Package	5630
Physical Dimensions	5.00mm L x 3.00mm W
Height - Seated (Max)	0.80mm
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	2A (4 Weeks)

Substitute Part Grouping Explanation

Substitution eligibility for the SPMWHT541MP5WAPHS4 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Series: LM561B Plus
Color Temperature: 6500K (Cool White)
Color Rendering Index: 80
Forward Voltage: 2.95V
Test Current: 65mA
Maximum Current: 180mA
Viewing Angle: 120°
Flux Output: 33lm (32lm ~ 34lm) @ 25°C, 65mA
Package Type: 4-SMD, Flat Leads
Supplier Device Package: 5630
Physical Dimensions: 5.00mm x 3.00mm
Height: 0.80mm maximum
Mounting Type: Surface Mount
MSL Rating: 2A (4 Weeks)

Four substitute parts meet these criteria and are available from Samsung Semiconductor, Inc. All substitutes maintain identical electrical performance specifications and mechanical compatibility with the original part. Thermal resistance values vary slightly (14°C/W to 16°C/W) but remain within acceptable operational parameters for this component category.

Parameter Comparison

Parameter	SPMWHT541MP5WAPHS4 (Main)	SPMWHT541MP5WAP0S4	SPMWHT541MP5WAPKS4	SPMWHT541MP5WAPMS4	SPMWHT541MP5WAPSS4
Product Status	Not For New Designs	Active	Active	Active	Active
Color / CCT	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K
Flux @ 25°C, 65mA	33lm (32-34lm)	33lm (32-34lm)	33lm (32-34lm)	33lm (32-34lm)	33lm (32-34lm)
Forward Voltage (Vf)	2.95V	2.95V	2.95V	2.95V	2.95V
Test Current	65mA	65mA	65mA	65mA	65mA
Maximum Current	180mA	180mA	180mA	180mA	180mA
Lumens/Watt @ Test Current	172 lm/W	172 lm/W	167 lm/W	172 lm/W	172 lm/W
CRI	80	80	80	80	80
Viewing Angle	120°	120°	120°	120°	120°
Package / Case	4-SMD, Flat Leads	4-SMD, Flat Leads	4-SMD, Flat Leads	4-SMD, Flat Leads	4-SMD, Flat Leads
Supplier Device Package	5630	5630	5630	5630	5630
Physical Dimensions	5.00mm x 3.00mm	5.00mm x 3.00mm	5.00mm x 3.00mm	5.00mm x 3.00mm	5.00mm x 3.00mm
Height - Seated (Max)	0.80mm	0.80mm	0.80mm	0.80mm	0.80mm
Thermal Resistance	16°C/W	15°C/W	15°C/W	15°C/W	14°C/W
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
MSL Rating	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)
Inventory Status	918 Pcs	830 Pcs	48482 Pcs	919 Pcs	874 Pcs

Engineering Selection Recommendations

All four substitute parts (SPMWHT541MP5WAP0S4, SPMWHT541MP5WAPKS4, SPMWHT541MP5WAPMS4, SPMWHT541MP5WAPSS4) are classified as Active products and provide direct electrical and mechanical compatibility with the SPMWHT541MP5WAPHS4.

Selection Criteria Based on Compliance and Certification:

SPMWHT541MP5WAPKS4 is the primary substitute option. This part carries ROHS3 compliance certification and maintains the highest inventory availability (48,482 units), ensuring supply chain continuity for production environments. Thermal resistance is 15°C/W with lumens/watt efficiency of 167 lm/W.

SPMWHT541MP5WAPMS4 and SPMWHT541MP5WAPSS4 are secondary alternatives. SPMWHT541MP5WAPMS4 maintains RoHS compliance with 172 lm/W efficiency and 15°C/W thermal resistance. SPMWHT541MP5WAPSS4 carries ROHS3 compliance with superior thermal performance (14°C/W) and 172 lm/W efficiency, plus REACH Unaffected status.

SPMWHT541MP5WAP0S4 is a tertiary option with RoHS compliance, 172 lm/W efficiency, and 15°C/W thermal resistance, though inventory levels are lower than other alternatives.

All substitutes maintain identical electrical specifications, package dimensions, and mounting characteristics. Selection should prioritize compliance requirements specific to the end application and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAPKS4 be used as a direct replacement for SPMWHT541MP5WAPHS4?

A: Yes. SPMWHT541MP5WAPKS4 is electrically and mechanically identical to the original part. Both components operate at 2.95V forward voltage, 65mA test current, and deliver 33lm output at 6500K color temperature. The 4-SMD, Flat Leads package and 5630 form factor are identical. SPMWHT541MP5WAPKS4 is an Active product, whereas the original is Not For New Designs.

Q: What is the difference between RoHS and ROHS3 compliance?

A: Both certifications indicate compliance with Restriction of Hazardous Substances regulations. ROHS3 represents the current regulatory standard. Parts carrying ROHS3 certification (SPMWHT541MP5WAPKS4 and SPMWHT541MP5WAPSS4) meet the latest compliance requirements. Parts with RoHS Compliant status also meet regulatory requirements but may reference earlier certification dates.

Q: Are there differences in thermal performance between the substitute parts?

A: Thermal resistance values range from 14°C/W to 16°C/W across all parts. SPMWHT541MP5WAPSS4 offers the lowest thermal resistance at 14°C/W, while the original SPMWHT541MP5WAPHS4 has 16°C/W. These variations are within acceptable operational parameters for this component category and do not affect substitution eligibility.

Q: Do all substitute parts have identical lumens/watt efficiency?

A: No. SPMWHT541MP5WAPKS4 operates at 167 lm/W, while SPMWHT541MP5WAP0S4, SPMWHT541MP5WAPMS4, and SPMWHT541MP5WAPSS4 operate at 172 lm/W. All parts deliver the same 33lm flux output at 65mA test current. The efficiency difference reflects manufacturing variations within the LM561B Plus series specification range.

Q: Which substitute part has the best inventory availability?

A: SPMWHT541MP5WAPKS4 has the highest inventory level at 48,482 units, significantly exceeding other alternatives. This part is recommended for applications requiring immediate availability and supply chain security.

Q: Are the physical dimensions identical across all parts?

A: Yes. All parts, including the original and all four substitutes, share identical dimensions: 5.00mm length, 3.00mm width, and 0.80mm maximum seated height. All use the 4-SMD, Flat Leads package configuration in the 5630 form factor.

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

A: All parts carry MSL 2A (4 Weeks) rating. This indicates the component can be exposed to ambient conditions for up to 4 weeks before soldering. MSL ratings are identical across all parts, so this parameter does not differentiate substitution options.

Q: Can SPMWHT541MP5WAPSS4 be used in applications requiring REACH compliance?

A: SPMWHT541MP5WAPSS4 carries REACH Unaffected status, indicating it is not subject to REACH regulatory restrictions. This certification is unique to this part among the substitutes and may be relevant for applications with specific REACH compliance requirements.

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