SPMWHT541ML5XATGS0 Equivalent & Substitute Parts

Part Overview

The SPMWHT541ML5XATGS0 is a Samsung Semiconductor LM561C series neutral white LED (4000K) designed for surface mount lighting applications. This component delivers 36 lumens at 65mA with a forward voltage of 2.75V and features a 120° viewing angle in a compact 5630 package format. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent substitute parts is necessary for ongoing production support, maintenance applications, and design transitions to active product lines.

Substiute Parts

SPMWHT541ML5XATGS0

Samsung Semiconductor, Inc.In Stock: 977SPMWHT541ML5XATGS0 Datasheet

Current PartRFQ

SPMWHT541MP5WATMS4

Samsung Semiconductor, Inc.In Stock: 600211SPMWHT541MP5WATMS4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPMWHT541ML5XATGS0 is determined by strict alignment of the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Color and CCT: White, Neutral 4000K (exact match required)
• Package Type: 4-SMD, Flat Leads in 5630 form factor (mechanical compatibility)
• Viewing Angle: 120° (optical performance requirement)
• CRI: 80 (color rendering consistency)
• Mounting Type: Surface Mount (assembly compatibility)
• Physical Dimensions: 5.00mm × 3.00mm footprint (PCB layout compatibility)

Secondary Compatibility Parameters:

• Test Current: 65mA nominal operation
• Forward Voltage Range: Acceptable variance within typical LED operating windows
• Lumens Output: Functional equivalence at rated current
• Thermal Resistance: Package thermal performance characteristics
• Compliance: RoHS and MSL ratings for supply chain and assembly requirements

The substitute part SPMWHT541MP5WATMS4 meets all primary criteria while operating within acceptable electrical parameter ranges for this product category.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The SPMWHT541ML5XATGS0 carries "Not For New Designs" status, indicating Samsung has transitioned this component to end-of-life. The substitute SPMWHT541MP5WATMS4 is classified as "Active," confirming ongoing manufacturing support and supply availability.

Compliance and Certification: Both parts maintain RoHS compliance. The substitute achieves ROHS3 certification, representing alignment with current regulatory standards. Both components share identical MSL 2A ratings, ensuring equivalent moisture sensitivity handling during assembly and storage.

Electrical Parameter Variance: The substitute operates at 2.95V typical forward voltage compared to 2.75V for the main part—a 0.20V increase acceptable in series-driven LED circuits with appropriate current-limiting resistor adjustment. The substitute's maximum current rating of 180mA versus 200mA for the main part requires verification against circuit design specifications to ensure no overcurrent conditions occur.

Optical and Thermal Performance: The substitute delivers 33 lumens versus 36 lumens at 65mA test current, representing an 8.3% reduction in light output. Thermal resistance increases from 12°C/W to 16°C/W, requiring confirmation that thermal design margins remain adequate for the application's operating environment.

Mechanical Compatibility: Both parts share identical 5630 package dimensions (5.00mm × 3.00mm × 0.80mm maximum height) and 4-SMD flat lead configuration, ensuring direct PCB footprint compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WATMS4 be used as a direct drop-in replacement for SPMWHT541ML5XATGS0?

A: Mechanical compatibility is direct—both use identical 5630 package footprints with 4-SMD flat leads. Electrical operation requires circuit verification. The substitute's higher forward voltage (2.95V vs. 2.75V) and lower maximum current rating (180mA vs. 200mA) must be evaluated against your specific current-limiting design. The 8.3% lower light output may require brightness compensation depending on application requirements.

Q: What is the significance of the product status difference?

A: The main part's "Not For New Designs" status indicates Samsung has discontinued active development and is managing existing inventory. The substitute's "Active" status confirms ongoing production, ensuring long-term supply availability and continued manufacturing support for new orders.

Q: Are there thermal design implications when substituting?

A: Yes. The substitute's thermal resistance is 4°C/W higher (16°C/W vs. 12°C/W). In high-ambient or thermally constrained applications, this increases junction temperature rise. Verify that your thermal design margin accommodates this increase, particularly if operating near maximum current limits.

Q: Do both parts meet current environmental compliance standards?

A: Both are RoHS compliant. The substitute achieves ROHS3 certification, representing the current regulatory standard. Both share identical MSL 2A ratings, requiring equivalent moisture control during assembly and storage.

Q: What electrical parameters require circuit re-evaluation?

A: Three parameters differ: forward voltage (+0.20V), maximum current (−20mA), and efficiency (−14.4% lm/W). If your circuit uses fixed current limiting, the voltage increase is absorbed by the resistor. If using maximum current specifications for design margins, the 20mA reduction must be confirmed acceptable. Power dissipation will increase slightly due to lower efficiency.

Q: Are the optical characteristics identical?

A: Color temperature (4000K), CRI (80), and viewing angle (120°) are identical. Light output differs by 8.3% (33 lm vs. 36 lm at 65mA), which may be perceptible in brightness-critical applications. Verify whether your application tolerates this reduction or requires brightness compensation through circuit adjustment.

Q: What packaging and handling considerations apply?

A: Both parts use Tape & Reel packaging with identical MSL 2A ratings (4-week floor life). No changes to receiving, storage, or assembly procedures are required. Moisture sensitivity handling remains unchanged.