SPMWHT541MP5WAQHS4 LED LM561B Plus White 5700K Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP5WAQHS4 is a Samsung Semiconductor LM561B Plus white LED in 5630 package format, specified for cool white 5700K color temperature applications. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The part delivers 34 lumens at 65mA test current with 177 lm/W efficiency and 80 CRI, suitable for surface mount LED lighting assemblies requiring cool white illumination.

Due to its discontinued design status, equivalent substitute parts with active product status are available from the same manufacturer series, offering improved thermal characteristics and current compliance certifications while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Color Temperature (CCT)	5700K / 5000K	K
Luminous Flux @ 25°C, 65mA	34 (33-35)	lm
Forward Voltage (Vf) Typical	2.95	V
Test Current	65	mA
Maximum Current	180	mA
Luminous Efficacy	177	lm/W
Color Rendering Index (CRI)	80	—
Viewing Angle	120	°
Package Type	4-SMD, Flat Leads	—
Supplier Package	5630	—
Dimensions (L × W)	5.00 × 3.00	mm
Height Seated (Max)	0.80	mm
Thermal Resistance	14–16	°C/W
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	2A (4 Weeks)	—
RoHS Status	RoHS Compliant / ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following criteria:

Primary Substitution Criteria (Must Match):

Luminous flux range: 33–35 lm at 25°C, 65mA test current
Forward voltage: 2.95V typical
Maximum current rating: 180mA
Color Rendering Index: 80
Viewing angle: 120°
Package type: 4-SMD, Flat Leads
Supplier package designation: 5630
Physical dimensions: 5.00mm L × 3.00mm W, 0.80mm max height
Mounting type: Surface Mount
Moisture Sensitivity Level: 2A (4 Weeks)

Secondary Substitution Criteria (Allowed Variation):

Color temperature: 5700K or 5000K (both within LM561B Plus series specification)
Thermal resistance: 14–16°C/W (minor variation acceptable)
Packaging format: Tape & Reel (TR), Cut Tape (CT), or Digi-Reel® (all surface mount compatible)
RoHS compliance: RoHS Compliant or ROHS3 Compliant (both acceptable)
Product status: Active status preferred over discontinued

Non-Substitutable Parameters:

Series designation must remain LM561B Plus
Base product number must remain SPMWHT541
Electrical performance (flux, voltage, current) must remain within specified tolerances

Parameter Comparison

Part Number	CCT (K)	Flux @ 65mA (lm)	Vf (V)	Imax (mA)	CRI	Viewing Angle (°)	Thermal Resistance (°C/W)	Packaging	Product Status	RoHS Status
SPMWHT541MP5WAQHS4	5700	34	2.95	180	80	120	16	Tape & Reel	Not For New Designs	RoHS Compliant
SPMWHT541MP5WAQ0S4	5700	34	2.95	180	80	120	15	Tape & Reel	Active	RoHS Compliant
SPMWHT541MP5WAQKS4	5700	34	2.95	180	80	120	15	Tape & Reel	Active	ROHS3 Compliant
SPMWHT541MP5WAQMS4	5700	34	2.95	180	80	120	15	Tape & Reel	Active	RoHS Compliant
SPMWHT541MP5WAQSS4	5700	34	2.95	180	80	120	14	Tape & Reel	Active	ROHS3 Compliant
SPMWHT541MP5WAR0S4	5000	34	2.95	180	80	120	15	Cut Tape & Digi-Reel	Active	ROHS3 Compliant
SPMWHT541MP5WARKS4	5000	34	2.95	180	80	120	15	Cut Tape	Active	ROHS3 Compliant
SPMWHT541MP5WARMS4	5000	34	2.95	180	80	120	15	Tape & Reel	Active	ROHS3 Compliant
SPMWHT541MP5WARNS4	5000	34	2.95	180	80	120	15	Tape & Reel	Active	RoHS Compliant

Engineering Selection Recommendations

For 5700K Cool White Applications:

SPMWHT541MP5WAQKS4 is the primary recommended substitute for SPMWHT541MP5WAQHS4. This part maintains identical 5700K color temperature and electrical specifications while offering Active product status, improved thermal resistance (15°C/W vs. 16°C/W), and ROHS3 compliance certification. Inventory availability is 16,110 units, ensuring supply continuity.

SPMWHT541MP5WAQSS4 provides an alternative with marginally superior thermal performance (14°C/W) and ROHS3 compliance, with 1,138 units in stock. This part is suitable where thermal management is a secondary design consideration.

SPMWHT541MP5WAQ0S4 and SPMWHT541MP5WAQMS4 are functionally equivalent alternatives with Active status and adequate thermal characteristics (15°C/W), offering flexibility in procurement sourcing.

For 5000K Cool White Applications:

SPMWHT541MP5WARMS4 is the primary substitute when 5000K color temperature is required. This part delivers identical electrical performance with Active status, ROHS3 compliance, and 19,382 units available in Tape & Reel packaging.

SPMWHT541MP5WAR0S4 offers the highest inventory availability (500,300 units) in Cut Tape & Digi-Reel format, suitable for high-volume production requiring flexible packaging options.

SPMWHT541MP5WARKS4 provides Cut Tape packaging (73,313 units) for applications requiring individual component handling or non-reel dispensing.

Compliance Considerations:

All substitute parts maintain RoHS compliance. Parts designated ROHS3 Compliant (SPMWHT541MP5WAQKS4, SPMWHT541MP5WAQSS4, SPMWHT541MP5WAR0S4, SPMWHT541MP5WARKS4, SPMWHT541MP5WARMS4) satisfy current regulatory requirements for restricted substance limitations.

All parts are classified under ECCN EAR99 and HTSUS 8541.41.0000, with identical export and tariff treatment.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAQHS4 be directly replaced with any of the listed substitutes?

A: Yes, all listed parts are direct parametric equivalents. The main part is discontinued ("Not For New Designs"), while all substitutes carry Active product status. Electrical performance, package dimensions, and mounting characteristics are identical. Selection depends on color temperature requirement (5700K or 5000K) and packaging format preference (Tape & Reel, Cut Tape, or Digi-Reel).

Q: What is the difference between 5700K and 5000K variants?

A: Both color temperatures fall within the cool white spectrum and deliver identical luminous flux (34 lm), forward voltage (2.95V), and efficiency (177 lm/W). The difference is purely in correlated color temperature: 5700K is cooler/bluer, while 5000K is slightly warmer. Selection depends on application lighting requirements. All other electrical and mechanical parameters remain unchanged.

Q: Are there thermal performance differences between substitutes?

A: Thermal resistance varies slightly: 14°C/W (SPMWHT541MP5WAQSS4), 15°C/W (most 5700K and 5000K variants), and 16°C/W (original SPMWHT541MP5WAQHS4). These differences are minor and do not affect functional compatibility. Selection based on thermal performance is only necessary in thermally constrained designs operating near maximum current ratings.

Q: What packaging formats are available?

A: Tape & Reel (TR) is the standard format for most substitutes. Cut Tape (CT) and Digi-Reel® options are available for 5000K variants (SPMWHT541MP5WAR0S4, SPMWHT541MP5WARKS4). All formats are surface mount compatible with identical component dimensions (5.00mm × 3.00mm × 0.80mm max height).

Q: Do all substitutes meet current RoHS requirements?

A: Yes. All parts are RoHS Compliant or ROHS3 Compliant. ROHS3-designated parts (SPMWHT541MP5WAQKS4, SPMWHT541MP5WAQSS4, and all 5000K variants except SPMWHT541MP5WARNS4) meet the most current restricted substance limitations. RoHS Compliant parts satisfy baseline requirements. Both certifications are acceptable for new designs.

Q: Which substitute offers the best inventory availability?

A: SPMWHT541MP5WAR0S4 (5000K, Cut Tape & Digi-Reel) has the highest stock level at 500,300 units. For Tape & Reel format, SPMWHT541MP5WAQKS4 (5700K) offers 16,110 units. Inventory levels support both high-volume and standard production requirements.

Q: Are there any restrictions on using these parts in new designs?

A: No. All substitute parts carry Active product status and are suitable for new designs. The original SPMWHT541MP5WAQHS4 is marked "Not For New Designs" and should not be used in new applications. All substitutes are recommended for current and future product development.

Q: How do I select between multiple 5700K substitutes?

A: All 5700K variants (SPMWHT541MP5WAQ0S4, SPMWHT541MP5WAQKS4, SPMWHT541MP5WAQMS4, SPMWHT541MP5WAQSS4) are electrically and mechanically identical. Selection criteria: (1) ROHS3 compliance preference: choose SPMWHT541MP5WAQKS4 or SPMWHT541MP5WAQSS4; (2) Thermal performance: SPMWHT541MP5WAQSS4 offers 14°C/W; (3) Inventory availability: SPMWHT541MP5WAQKS4 has 16,110 units in stock.

Q: Is the 4-SMD, Flat Leads package compatible with standard LED assembly equipment?

A: Yes. The 5630 package (5.00mm × 3.00mm × 0.80mm max height) with 4-SMD flat leads is a standard surface mount format compatible with conventional pick-and-place equipment and reflow soldering processes. All substitutes maintain identical package specifications.

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