SPMWHT541MP7WAPGS0 LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP7WAPGS0 is a Samsung Semiconductor LM561B Plus white LED in 5630 package format, rated for cool white 6500K color temperature with 65mA test current and 2.95V forward voltage. This part carries a "Not For New Designs" status, indicating it has been superseded in Samsung's product portfolio. Identification of equivalent and substitute parts is necessary for design continuity, inventory management, and sourcing alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	SPMWHT541MP7WAPGS0
Series	LM561B Plus
Color / CCT	White, Cool / 6500K
Voltage - Forward (Vf) Typical	2.95V
Current - Test	65mA
Current - Maximum	180mA
CRI (Color Rendering Index)	90
Viewing Angle	120°
Package / Case	4-SMD, Flat Leads
Supplier Device Package	5630
Size / Dimension	0.197" L x 0.118" W (5.00mm x 3.00mm)
Height - Seated (Max)	0.031" (0.80mm)
Thermal Resistance of Package	20°C/W
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	2A (4 Weeks)
Product Status	Not For New Designs

Substitute Part Grouping Explanation

Substitution of the SPMWHT541MP7WAPGS0 is determined by the following critical parameters:

Primary Compatibility Criteria:

Color temperature: 6500K (cool white)
Color Rendering Index: 90
Package type: 4-SMD, Flat Leads (5630)
Physical dimensions: 5.00mm x 3.00mm
Viewing angle: 120°
Mounting type: Surface Mount

Electrical Operating Parameters:

Forward voltage range: 2.9V to 3.0V
Test current: 65mA to 150mA
Maximum current: 180mA to 200mA

Substitute parts are grouped into two categories:

Direct Series Equivalent (Active Status): SPMWHT541MP7WAP0S0 — Same LM561B Plus series with identical electrical and mechanical specifications, but with improved thermal resistance (15°C/W vs. 20°C/W) and active product status.
Parametric Equivalents (Active Status): SPMWH1228FD7W2P0SJ, SPMWH1228FD7W2PKSJ, SPMWH1228FD7W2PMSJ, SPMWH1228FD7WAP0SJ, SPMWH1228FD7WAPKSJ, SPMWH1228FD7WAPMSJ — LM281B+ series parts with matching color temperature, CRI, package, and physical dimensions. These parts operate at higher test current (150mA) and forward voltage (2.9V or 3.0V) with higher thermal resistance (25°C/W).

Parameter Comparison

Parameter	SPMWHT541MP7WAPGS0 (Main)	SPMWHT541MP7WAP0S0 (Direct Equivalent)	SPMWH1228FD7W2P0SJ (Parametric Equivalent)	SPMWH1228FD7W2PKSJ (Parametric Equivalent)	SPMWH1228FD7W2PMSJ (Parametric Equivalent)	SPMWH1228FD7WAP0SJ (Parametric Equivalent)	SPMWH1228FD7WAPKSJ (Parametric Equivalent)	SPMWH1228FD7WAPMSJ (Parametric Equivalent)
Series	LM561B Plus	LM561B Plus	LM281B+	LM281B+	LM281B+	LM281B+	LM281B+	LM281B+
Color / CCT	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K	White, Cool / 6500K
CRI	90	90	90	90	90	90	90	90
Voltage - Forward (Vf) Typical	2.95V	2.95V	2.9V	2.9V	2.9V	3.0V	3.0V	3.0V
Current - Test	65mA	65mA	150mA	150mA	150mA	150mA	150mA	150mA
Current - Maximum	180mA	180mA	200mA	200mA	200mA	200mA	200mA	200mA
Viewing Angle	120°	120°	120°	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	4-SMD, Flat Leads	4-SMD, Flat Leads	4-SMD, Flat Leads
Supplier Device Package	5630	5630	5630	5630	5630	5630	5630	5630
Size / Dimension	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	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	0.80mm	0.80mm	0.80mm
Thermal Resistance of Package	20°C/W	15°C/W	25°C/W	25°C/W	25°C/W	25°C/W	25°C/W	25°C/W
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Not For New Designs	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Preferred): SPMWHT541MP7WAP0S0 is the primary substitute. It maintains the LM561B Plus series designation with identical electrical specifications (2.95V, 65mA test current) and mechanical compatibility. The part carries Active product status, ensuring long-term availability and supply chain stability. Thermal resistance is improved to 15°C/W, providing better heat dissipation characteristics. RoHS compliance is maintained.

For Parametric Substitution: The LM281B+ series parts (SPMWH1228FD7W2P0SJ, SPMWH1228FD7W2PKSJ, SPMWH1228FD7W2PMSJ, SPMWH1228FD7WAP0SJ, SPMWH1228FD7WAPKSJ, SPMWH1228FD7WAPMSJ) are functionally equivalent alternatives. All maintain 6500K color temperature, 90 CRI, 120° viewing angle, and identical 5630 package dimensions. These parts operate at higher test current (150mA) and forward voltage (2.9V or 3.0V variants). Thermal resistance is 25°C/W. All carry Active product status and ROHS3 compliance with REACH Unaffected designation. Selection between 2.9V and 3.0V variants depends on circuit design requirements.

Compliance Considerations: All substitute parts maintain RoHS compliance. The LM281B+ series provides enhanced REACH compliance status (REACH Unaffected). MSL rating remains 2A (4 Weeks) for the direct equivalent.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP7WAP0S0 be used as a direct drop-in replacement for SPMWHT541MP7WAPGS0?

A: Yes. Both parts are LM561B Plus series with identical forward voltage (2.95V), test current (65mA), maximum current (180mA), color temperature (6500K), CRI (90), package type (4-SMD, Flat Leads), and physical dimensions (5.00mm x 3.00mm). The primary difference is improved thermal resistance (15°C/W vs. 20°C/W) and Active product status. No circuit modifications are required.

Q: What are the key differences between LM561B Plus and LM281B+ series substitutes?

A: The LM281B+ series operates at higher test current (150mA vs. 65mA) and forward voltage (2.9V or 3.0V vs. 2.95V). Maximum current rating is higher (200mA vs. 180mA). Thermal resistance is higher (25°C/W vs. 20°C/W). Color temperature, CRI, viewing angle, and package dimensions remain identical. Circuit design must account for the higher operating current and voltage characteristics.

Q: Are there voltage differences between LM281B+ variants?

A: Yes. SPMWH1228FD7W2P0SJ, SPMWH1228FD7W2PKSJ, and SPMWH1228FD7W2PMSJ operate at 2.9V forward voltage. SPMWH1228FD7WAP0SJ, SPMWH1228FD7WAPKSJ, and SPMWH1228FD7WAPMSJ operate at 3.0V forward voltage. Selection depends on circuit voltage requirements and current limiting design.

Q: Do all substitute parts fit the same PCB footprint?

A: Yes. All parts use identical 4-SMD, Flat Leads package with 5630 supplier device package designation. Physical dimensions are 5.00mm x 3.00mm with maximum seated height of 0.80mm. PCB layout and reflow profiles remain compatible.

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

A: This designation indicates the SPMWHT541MP7WAPGS0 has been superseded in Samsung's product portfolio. Existing inventory may be available, but long-term supply cannot be guaranteed. New designs should specify SPMWHT541MP7WAP0S0 or LM281B+ series alternatives, which carry Active status and ensure sustained availability.

Q: Are all substitute parts RoHS compliant?

A: Yes. SPMWHT541MP7WAP0S0 is RoHS Compliant. All LM281B+ series parts are ROHS3 Compliant with REACH Unaffected status, providing enhanced environmental compliance documentation.

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