Equivalent & Substitute Parts for SPMWHT541ML7XAWGS0

Part Overview

The SPMWHT541ML7XAWGS0 is a Samsung Semiconductor LM561C warm white LED (2700K) in 5630 surface mount package format. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The part delivers 27 lumens at 65mA test current with a forward voltage of 2.75V and 151 lm/W efficiency. Due to its discontinued status, equivalent and substitute parts must be identified to support ongoing production requirements and maintenance applications.

Substiute Parts

SPMWHT541ML7XAWGS0

Samsung Semiconductor, Inc.In Stock: 1006SPMWHT541ML7XAWGS0 Datasheet

Current PartRFQ

SPMWHT541MP7WAWMS0

Samsung Semiconductor, Inc.In Stock: 19478SPMWHT541MP7WAWMS0 Datasheet

SimilarRFQ

SPMWHT541ML7XAW0S0

Samsung Semiconductor, Inc.In Stock: 851SPMWHT541ML7XAW0S0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML7XAWMS0

Samsung Semiconductor, Inc.In Stock: 829SPMWHT541ML7XAWMS0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML7XAWSS0

Samsung Semiconductor, Inc.In Stock: 973SPMWHT541ML7XAWSS0 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the SPMWHT541ML7XAWGS0 is based on the following critical parameters:

Parametric Equivalents (Direct Substitutes): Parts SPMWHT541ML7XAW0S0, SPMWHT541ML7XAWMS0, and SPMWHT541ML7XAWSS0 are classified as parametric equivalents. These parts maintain identical electrical and optical specifications: LM561C series, 2700K warm white, 27 lm @ 65mA, 2.75V forward voltage, 151 lm/W efficiency, 90 CRI, and 120° viewing angle. All three share the same 5630 package footprint, thermal resistance (12°C/W), and mechanical dimensions. The primary difference is packaging designation (suffix variation: 0S0, MS0, SS0), which reflects different tape reel configurations or supplier logistics but does not affect electrical performance or PCB assembly compatibility.

Similar Substitute (Performance Alternative): Part SPMWHT541MP7WAWMS0 is classified as a similar substitute. This part belongs to the LM561B Plus series rather than LM561C. While maintaining the same 2700K color temperature, 120° viewing angle, 5630 package, and surface mount configuration, it introduces the following parameter differences: forward voltage increases to 2.95V (vs. 2.75V), flux output decreases to 25 lm @ 65mA (vs. 27 lm), efficiency reduces to 130 lm/W (vs. 151 lm/W), maximum current rating decreases to 180mA (vs. 200mA), and thermal resistance increases to 15°C/W (vs. 12°C/W). This part is suitable for applications where the LM561C is unavailable and the performance trade-offs are acceptable.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): Select SPMWHT541ML7XAW0S0, SPMWHT541ML7XAWMS0, or SPMWHT541ML7XAWSS0 when the SPMWHT541ML7XAWGS0 reaches end-of-stock. These three parts are parametric equivalents with active product status and identical electrical, optical, and thermal characteristics. All three maintain RoHS compliance and are suitable for drop-in substitution without circuit redesign. Selection among these three should be based on packaging availability and supplier logistics, as electrical performance is identical.

For Performance-Constrained Applications: Select SPMWHT541MP7WAWMS0 only when the three parametric equivalents are unavailable and application requirements can accommodate the specified parameter differences. This part is suitable for applications where the 2mA reduction in flux output (25 lm vs. 27 lm), 0.2V increase in forward voltage, and 3°C/W increase in thermal resistance are within acceptable design margins. The ROHS3 compliance status of this part provides enhanced environmental certification compared to the RoHS-compliant alternatives.

Compliance Considerations: All substitute parts maintain MSL 2A (4 Weeks) moisture sensitivity rating and surface mount compatibility with 5630 package footprints. RoHS compliance is maintained across all options, with SPMWHT541MP7WAWMS0 offering ROHS3 certification for applications requiring enhanced regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541ML7XAW0S0, SPMWHT541ML7XAWMS0, and SPMWHT541ML7XAWSS0 be used interchangeably with SPMWHT541ML7XAWGS0?

A: Yes. These three parts are parametric equivalents with identical electrical specifications (2.75V forward voltage, 27 lm @ 65mA, 151 lm/W efficiency), optical properties (2700K, 90 CRI, 120° viewing angle), and thermal characteristics (12°C/W). The suffix variations (0S0, MS0, SS0) reflect packaging designation differences only and do not affect circuit performance or PCB assembly compatibility.

Q: What are the key differences between the LM561C and LM561B Plus series?

A: The LM561B Plus (SPMWHT541MP7WAWMS0) differs from LM561C in four critical parameters: forward voltage increases from 2.75V to 2.95V, flux output decreases from 27 lm to 25 lm at 65mA test current, efficiency reduces from 151 lm/W to 130 lm/W, and thermal resistance increases from 12°C/W to 15°C/W. Maximum current rating also decreases from 200mA to 180mA. These differences require circuit evaluation before substitution.

Q: Are all substitute parts compatible with existing PCB layouts designed for SPMWHT541ML7XAWGS0?

A: Yes. All substitute parts maintain the identical 5630 package footprint (5.00 × 3.00 × 0.80 mm), 4-SMD flat lead configuration, and surface mount mounting type. PCB layout and solder pad geometry require no modification. However, circuit designs operating at maximum current (200mA) must be re-evaluated if substituting with SPMWHT541MP7WAWMS0, which has a 180mA maximum rating.

Q: What is the significance of the "Not For New Designs" status on SPMWHT541ML7XAWGS0?

A: This status indicates the part has reached end-of-life and Samsung Semiconductor is discontinuing production. Existing inventory may be available for limited periods, but new designs should not incorporate this part number. The three parametric equivalents (SPMWHT541ML7XAW0S0, SPMWHT541ML7XAWMS0, SPMWHT541ML7XAWSS0) carry "Active" status and are recommended for ongoing production and new applications.

Q: How do moisture sensitivity levels (MSL) affect handling and storage?

A: All parts in this comparison carry MSL 2A (4 Weeks) rating. This indicates the component can be exposed to ambient conditions (23°C ± 2°C, 45–75% relative humidity) for up to 4 weeks after packaging before requiring baking. After 4 weeks, the part must be baked at 125°C for 24 hours before assembly. Proper moisture control during storage and handling is required to maintain solder joint reliability.

Q: Can SPMWHT541MP7WAWMS0 be used in applications requiring 200mA operation?

A: No. SPMWHT541MP7WAWMS0 has a maximum current rating of 180mA, compared to 200mA for the LM561C variants. Applications designed to operate at 200mA must use SPMWHT541ML7XAW0S0, SPMWHT541ML7XAWMS0, or SPMWHT541ML7XAWSS0. Operating SPMWHT541MP7WAWMS0 above 180mA will exceed absolute maximum ratings and compromise component reliability.

Q: What thermal management considerations apply when substituting with SPMWHT541MP7WAWMS0?

A: SPMWHT541MP7WAWMS0 has thermal resistance of 15°C/W compared to 12°C/W for the LM561C variants. This 3°C/W increase means the junction temperature will rise an additional 3°C for every watt of dissipated power. In thermally constrained applications, this may require enhanced PCB thermal design, increased copper area, or thermal vias to maintain equivalent junction temperatures.