SPMWHT541MD5WAT0S2 LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MD5WAT0S2 is a Samsung Semiconductor LM561B series neutral white LED (4000K) designed for surface mount applications. This component delivers 29 lumens at 65mA test current with a forward voltage of 2.95V and 120° viewing angle in a compact 5630 package format. The product is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and replacement applications.

Substiute Parts

SPMWHT541MD5WAT0S2

Samsung Semiconductor, Inc.In Stock: 2388SPMWHT541MD5WAT0S2 Datasheet

Current PartRFQ

SPMWHT541MP5WAT0S4

Samsung Semiconductor, Inc.In Stock: 1117SPMWHT541MP5WAT0S4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SPMWHT541MD5WAT0S2 is determined by the following critical parameters:

Electrical Compatibility:

• Color and CCT (4000K neutral white)
• Forward voltage (2.95V nominal)
• Test current (65mA)
• CRI (80 minimum)
• Viewing angle (120°)

Mechanical Compatibility:

• Package type (4-SMD, 5630 form factor)
• Physical dimensions (5.00mm × 3.00mm footprint)
• Surface mount mounting type
• Height constraints (≤0.90mm seated)

Regulatory & Environmental:

• RoHS compliance
• MSL rating (2A or better)

The substitute part SPMWHT541MP5WAT0S4 satisfies all electrical and mechanical compatibility criteria while offering improved performance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SPMWHT541MP5WAT0S4

The SPMWHT541MP5WAT0S4 is the qualified substitute for SPMWHT541MD5WAT0S2 applications. Selection rationale:

1. Product Status: The substitute maintains active product status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.

2. Electrical Equivalence: Identical forward voltage (2.95V), test current (65mA), color temperature (4000K), CRI (80), and viewing angle (120°) ensure direct functional replacement in existing circuit designs without modification.

3. Performance Enhancement: The LM561B Plus variant delivers 33 lumens versus 29 lumens at identical test current, representing 13.8% higher luminous output. Efficiency improves from 151 lm/W to 172 lm/W, a 13.9% gain.

4. Mechanical Compatibility: Identical 5630 package footprint (5.00mm × 3.00mm) and surface mount configuration enable direct PCB placement without layout revision. The substitute's lower profile (0.80mm vs. 0.90mm) provides additional design margin for height-constrained applications.

5. Thermal Performance: Improved thermal resistance (15°C/W vs. 16°C/W) supports higher current operation within the 180mA maximum rating versus 150mA for the main part.

6. Regulatory Compliance: Both parts maintain identical RoHS compliance, MSL rating (2A), and environmental certifications, ensuring no compliance impact on end-product qualification.

7. Packaging Format: The substitute is available in Tape & Reel (TR) format, supporting automated assembly processes typical of production environments.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAT0S4 be used as a direct replacement for SPMWHT541MD5WAT0S2 without circuit modification?

A: Yes. Both parts share identical electrical specifications at the test current of 65mA: 2.95V forward voltage, 4000K color temperature, 80 CRI, and 120° viewing angle. The substitute operates within the same voltage and current envelope, requiring no circuit redesign.

Q: What is the difference between "Flat Lead Exposed Pad" and "Flat Leads" package descriptions?

A: Both designations refer to 4-SMD surface mount packages with identical 5630 form factor and footprint. The terminology variation reflects different manufacturing generations within the LM561B product family. Mechanical and electrical compatibility remains unchanged.

Q: Does the higher luminous output of SPMWHT541MP5WAT0S4 (33 lm vs. 29 lm) affect system design?

A: The substitute delivers 13.8% higher output at identical operating current. In fixed-current applications, this results in increased brightness. In brightness-regulated designs using current limiting or PWM control, the higher output provides additional headroom for dimming or tolerance management without performance degradation.

Q: Are there any height or thermal considerations when substituting?

A: The substitute features a lower seated height (0.80mm vs. 0.90mm) and improved thermal resistance (15°C/W vs. 16°C/W), both favorable for space-constrained and thermally demanding applications. No negative impact exists; both parameters support broader design flexibility.

Q: What is the inventory status for the substitute part?

A: SPMWHT541MP5WAT0S4 is classified as active product status with 1057 pieces in stock, compared to the obsolete main part with 2335 pieces remaining. The substitute ensures continued availability for new designs and production replenishment.

Q: Are moisture sensitivity levels identical between the two parts?

A: Yes. Both parts carry MSL 2A (4 Weeks) rating, indicating identical moisture handling, storage, and reflow requirements. No changes to component storage, handling, or assembly procedures are necessary.