Equivalent & Substitute Parts for SPMWHT541ML7XATGS0

Part Overview

The SPMWHT541ML7XATGS0 is a Samsung Semiconductor LM561C series neutral white LED (4000K) in 5630 surface mount package with 4-SMD flat leads configuration. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The part delivers 29 lumens at 65mA test current with a forward voltage of 2.75V and 162 lm/W efficiency. Due to its discontinued design status, equivalent and substitute parts from the LM561 series are necessary for ongoing production requirements and design continuity.

Substiute Parts

SPMWHT541ML7XATGS0

Samsung Semiconductor, Inc.In Stock: 808SPMWHT541ML7XATGS0 Datasheet

Current PartRFQ

SPMWHT541MP7WATMS0

Samsung Semiconductor, Inc.In Stock: 43315SPMWHT541MP7WATMS0 Datasheet

SimilarRFQ

SPMWHT541ML7XAT0S0

Samsung Semiconductor, Inc.In Stock: 928SPMWHT541ML7XAT0S0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML7XATMS0

Samsung Semiconductor, Inc.In Stock: 879SPMWHT541ML7XATMS0 Datasheet

Parametric EquivalentRFQ

SPMWHT541ML7XATSS0

Samsung Semiconductor, Inc.In Stock: 1066SPMWHT541ML7XATSS0 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the SPMWHT541ML7XATGS0 is based on the following criteria:

Parametric Equivalents (Direct Substitutes): Parts SPMWHT541ML7XAT0S0, SPMWHT541ML7XATMS0, and SPMWHT541ML7XATSS0 are classified as parametric equivalents. These parts maintain identical electrical and optical specifications: LM561C series, 4000K neutral white, 29 lm @ 65mA, 2.75V forward voltage, 162 lm/W efficiency, 90 CRI, and 120° viewing angle. All three share the same 5630 package footprint, thermal resistance (12°C/W), and RoHS compliance. The only differences are in packaging tape configuration (indicated by suffix variations: 0S0, MS0, SS0). These parts are classified as Active product status, making them suitable for production use.

Similar Substitute (Functional Alternative): Part SPMWHT541MP7WATMS0 represents a functional alternative from the LM561B Plus series. While maintaining the same color temperature (4000K), package (5630), and viewing angle (120°), this substitute exhibits different electrical characteristics: 2.95V forward voltage (versus 2.75V), 27 lm @ 65mA (versus 29 lm), and 141 lm/W efficiency (versus 162 lm/W). Maximum current rating is 180mA (versus 200mA). Thermal resistance increases to 15°C/W. This part is Active status and ROHS3 compliant. Selection of this substitute requires circuit redesign to accommodate the higher forward voltage and lower luminous output.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

Select SPMWHT541ML7XAT0S0, SPMWHT541ML7XATMS0, or SPMWHT541ML7XATSS0. These three parts are parametric equivalents with identical electrical, optical, and thermal characteristics to the main part SPMWHT541ML7XATGS0. All three are classified as Active product status, ensuring long-term availability and supply chain stability. Selection among these three equivalents depends solely on packaging tape configuration requirements (suffix designations 0S0, MS0, SS0). All maintain RoHS compliance and identical MSL ratings. These parts are suitable for direct PCB assembly substitution without circuit redesign.

For Functional Alternative (Circuit Redesign Required):

The SPMWHT541MP7WATMS0 (LM561B Plus series) is a functional alternative when the parametric equivalents are unavailable. This part requires circuit-level modifications due to the 0.20V higher forward voltage (2.95V versus 2.75V) and 2 lumen lower output (27 lm versus 29 lm). The reduced maximum current rating (180mA versus 200mA) and increased thermal resistance (15°C/W versus 12°C/W) must be evaluated against thermal management design margins. This substitute is Active status and ROHS3 compliant. Use this option only when parametric equivalents cannot be sourced and circuit redesign is feasible.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541ML7XAT0S0, SPMWHT541ML7XATMS0, and SPMWHT541ML7XATSS0 be used interchangeably with SPMWHT541ML7XATGS0?

A: Yes. These three parts are parametric equivalents with identical electrical specifications (2.75V forward voltage, 29 lm @ 65mA, 162 lm/W), optical properties (4000K, 90 CRI, 120° viewing angle), and thermal characteristics (12°C/W). The suffix variations (0S0, MS0, SS0) indicate different tape reel packaging configurations only. Direct PCB substitution is possible without circuit modification.

Q: What is the difference between the parametric equivalents and SPMWHT541MP7WATMS0?

A: The parametric equivalents (LM561C series) maintain identical performance to the main part. SPMWHT541MP7WATMS0 (LM561B Plus series) is a functional alternative with different electrical characteristics: 2.95V forward voltage (0.20V higher), 27 lm output (2 lm lower), 141 lm/W efficiency (21 lm/W lower), and 180mA maximum current (20mA lower). Thermal resistance increases from 12°C/W to 15°C/W. Circuit redesign is required for this substitute.

Q: Why is the main part SPMWHT541ML7XATGS0 marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. The parametric equivalents (SPMWHT541ML7XAT0S0, SPMWHT541ML7XATMS0, SPMWHT541ML7XATSS0) are Active status alternatives that provide identical performance and are suitable for new designs.

Q: Are all substitute parts RoHS compliant?

A: Yes. The parametric equivalents (SPMWHT541ML7XAT0S0, SPMWHT541ML7XATMS0, SPMWHT541ML7XATSS0) are RoHS Compliant. SPMWHT541MP7WATMS0 is ROHS3 Compliant. Both compliance levels are acceptable for most applications.

Q: What is the significance of the tape reel suffix variations (0S0, MS0, SS0)?

A: These suffixes indicate different tape reel packaging configurations used for automated assembly. The electrical and optical performance is identical across all three variants. Selection depends on your assembly equipment compatibility and tape reel specifications. Consult your equipment documentation or supplier for specific tape configuration requirements.

Q: Can SPMWHT541MP7WATMS0 be used without circuit modification?

A: No. The 0.20V higher forward voltage and 2 lumen lower output require circuit redesign. Current-limiting resistor values and power supply voltage margins must be recalculated. Thermal management design must account for the increased thermal resistance (15°C/W versus 12°C/W). Use this substitute only when parametric equivalents are unavailable and circuit redesign is feasible.

Q: What is the MSL rating and why is it important?

A: All parts carry MSL 2A (4 Weeks) rating, indicating moisture sensitivity level. The component can be stored in dry conditions for up to 4 weeks before soldering. After this period, the part must be baked according to IPC-A-610 standards before assembly to prevent solder joint defects.