SPMWHT541MP5WAUSS5 LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP5WAUSS5 is a Samsung Semiconductor LM561B Plus white LED with warm color temperature (3500K), designed for surface mount applications in 5630 package format. This component is classified as Active product status and is fully compliant with RoHS3 and REACH regulations. Substitute parts are identified when electrical performance, thermal characteristics, and mechanical compatibility remain within specified tolerances for the intended application.

Key Parameters

Parameter	Value	Unit
Color Temperature (CCT)	3500K	Kelvin
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 Device Package	5630	—
Dimensions (L × W)	5.00 × 3.00	mm
Height Seated (Max)	0.80	mm
Thermal Resistance	14	°C/W
RoHS Status	RoHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the SPMWHT541MP5WAUSS5 is determined by the following critical parameters:

Color Temperature (CCT): 3500K (warm white)
Luminous Flux @ 25°C, 65mA: 34 lm (range 33–35 lm)
Forward Voltage (Vf): 2.95V typical
Test Current: 65mA
Maximum Current: 180mA
Color Rendering Index (CRI): 80
Viewing Angle: 120°
Package Configuration: 4-SMD, Flat Leads in 5630 format
Physical Dimensions: 5.00mm × 3.00mm, height 0.80mm maximum
Thermal Resistance: 14–15°C/W range
Compliance: RoHS3 and REACH requirements

Identified substitute parts maintain identical electrical performance specifications and mechanical compatibility within these parameters.

Parameter Comparison

Parameter	SPMWHT541MP5WAUSS5	SPMWHT541MP5WAU0S5	SPMWHT541MP5WAUUS5
Manufacturer	Samsung Semiconductor, Inc.	Samsung Semiconductor, Inc.	Samsung Semiconductor, Inc.
Series	LM561B Plus	LM561B Plus	LM561B Plus
Color	White, Warm	White, Warm	White, Warm
CCT (K)	3500	3500	3500
Flux @ 25°C, 65mA (lm)	34 (33–35)	34 (33–35)	34 (33–35)
Forward Voltage (Vf) Typical (V)	2.95	2.95	2.95
Test Current (mA)	65	65	65
Maximum Current (mA)	180	180	180
Luminous Efficacy (lm/W)	177	177	177
CRI	80	80	80
Viewing Angle (°)	120	120	120
Package / Case	4-SMD, Flat Leads	4-SMD, Flat Leads	4-SMD, Flat Leads
Supplier Device Package	5630	5630	5630
Dimensions (mm)	5.00 × 3.00	5.00 × 3.00	5.00 × 3.00
Height Seated Max (mm)	0.80	0.80	0.80
Thermal Resistance (°C/W)	14	15	15
Product Status	Active	Active	Not For New Designs
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS Compliant
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

SPMWHT541MP5WAU0S5 is the primary substitute for SPMWHT541MP5WAUSS5. Both parts maintain Active product status and are RoHS3 compliant. Thermal resistance differs by 1°C/W (15°C/W vs. 14°C/W), which remains within acceptable tolerance for equivalent thermal performance in most applications. This part carries higher inventory availability (3192 pcs vs. 851 pcs).

SPMWHT541MP5WAUUS5 is a secondary substitute with identical electrical and mechanical specifications. However, this part is designated "Not For New Designs," indicating it is in end-of-life phase. Selection of this part should be limited to legacy system maintenance or applications where design refresh is not planned. RoHS compliance is listed as "RoHS Compliant" rather than "RoHS3 Compliant," which may present regulatory considerations depending on application jurisdiction and end-market requirements.

For new designs, SPMWHT541MP5WAU0S5 is the recommended substitute due to Active status and superior inventory position.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAU0S5 be used as a direct replacement for SPMWHT541MP5WAUSS5?

A: Yes. Both parts are electrically and mechanically identical across all critical parameters: color temperature (3500K), luminous flux (34 lm at 65mA), forward voltage (2.95V), current ratings (65mA test, 180mA maximum), CRI (80), viewing angle (120°), and 5630 package format. Thermal resistance differs by 1°C/W, which does not affect functional compatibility.

Q: What is the significance of the "Not For New Designs" status on SPMWHT541MP5WAUUS5?

A: This designation indicates the part is in end-of-life phase and Samsung Semiconductor is not recommending it for new product development. While the part remains functionally equivalent, its use should be restricted to maintenance of existing systems or applications where design refresh is not planned. New designs should prioritize SPMWHT541MP5WAU0S5 or SPMWHT541MP5WAUSS5.

Q: Are there differences in RoHS compliance between the substitute parts?

A: SPMWHT541MP5WAUSS5 and SPMWHT541MP5WAU0S5 are both RoHS3 compliant. SPMWHT541MP5WAUUS5 is listed as RoHS compliant without the "3" designation. For applications requiring RoHS3 certification, SPMWHT541MP5WAUSS5 or SPMWHT541MP5WAU0S5 are the appropriate selections.

Q: Do the substitute parts have identical thermal characteristics?

A: Thermal resistance values are 14°C/W for SPMWHT541MP5WAUSS5 and 15°C/W for both SPMWHT541MP5WAU0S5 and SPMWHT541MP5WAUUS5. This 1°C/W difference is within normal manufacturing tolerance and does not affect thermal performance in typical applications. Applications with extreme thermal constraints should confirm thermal modeling with the specific part selected.

Q: What packaging format is used for all substitute parts?

A: All parts use identical packaging: 4-SMD with flat leads in 5630 supplier device package format. Physical dimensions are 5.00mm length × 3.00mm width with maximum seated height of 0.80mm. All parts are supplied in Tape & Reel (TR) format.

Q: Can SPMWHT541MP5WAUUS5 be used in new product designs?

A: Not recommended. The part carries "Not For New Designs" status, indicating end-of-life phase. For new designs, use SPMWHT541MP5WAUSS5 (Active status) or SPMWHT541MP5WAU0S5 (Active status with higher inventory availability).

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