LED LM231A SPMWHT221MD5WATMS0 Equivalent & Substitute Parts

Part Overview

The Samsung Semiconductor LM231A (SPMWHT221MD5WATMS0) is a surface-mount LED lighting component featuring neutral white 4000K color temperature in a compact 0909 (2323 Metric) package. This part is classified as obsolete, making identification of functionally equivalent substitute components essential for ongoing design support and production continuity. The LM231A series delivers 26 lumens at 65mA test current with a forward voltage of 2.86V and 80 CRI, suitable for applications requiring neutral white illumination in space-constrained designs.

Substiute Parts

SPMWHT221MD5WATMS0

Samsung Semiconductor, Inc.In Stock: 790SPMWHT221MD5WATMS0 Datasheet

Current PartRFQ

XHGAWT-00-0000-00000HXE5

CreeLED, Inc.In Stock: 6251XHGAWT-00-0000-00000HXE5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Samsung LM231A is determined by strict alignment of the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Color and correlated color temperature (CCT): White, Neutral 4000K
• Luminous flux range at 25°C and 65mA test current: 21–31 lm envelope
• Forward voltage compatibility: 2.86V nominal operation
• CRI (Color Rendering Index): 80 minimum
• Test current rating: 65 mA nominal
• Mounting type: Surface mount
• Thermal resistance: 20°C/W

Secondary Compatibility Factors:

• Package form factor and footprint dimensions
• Maximum current rating (must accommodate circuit design margins)
• Viewing angle (application-dependent; wider angles provide greater design flexibility)
• RoHS and REACH compliance status

The CreeLED XLamp® XH-G series component XHGAWT-00-0000-00000HXE5 satisfies all primary substitution criteria within the specified parameter envelope, enabling direct functional replacement in applications designed for the LM231A.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility:

The CreeLED XLamp® XH-G (XHGAWT-00-0000-00000HXE5) is a qualified functional substitute for the obsolete Samsung LM231A based on matched electrical performance at the 65mA test current: both components deliver neutral white 4000K illumination with 80 CRI and equivalent luminous flux within the 21–31 lm specification envelope. Forward voltage difference (2.86V vs. 2.9V) is 1.4% and does not require circuit redesign for typical LED driver applications.

Design Considerations:

The substitute component operates in a larger 1212 (3030 Metric) package versus the original 0909 (2323 Metric) footprint. PCB layout modification is mandatory. The substitute's increased height (1.83mm vs. 0.80mm) requires verification of mechanical clearance in the assembly. The higher maximum current rating (350mA vs. 150mA) and improved efficiency (154 lm/W vs. 140 lm/W) provide additional design margin and reduced thermal load.

Compliance Status:

Both components are RoHS Compliant and REACH Unaffected, meeting regulatory requirements for electronics manufacturing. The substitute is in active production status, ensuring long-term supply availability and technical support, whereas the original part is obsolete.

Frequently Asked Questions (FAQ)

Q: Can the CreeLED XLamp® XH-G directly replace the Samsung LM231A without circuit modification?

A: Electrical substitution is direct at the 65mA test current level. Forward voltage difference (0.04V) is within typical LED driver tolerance. However, PCB layout modification is required due to different package footprints (2323 vs. 3030 Metric). Mechanical clearance must be verified for the taller substitute component (1.83mm vs. 0.80mm height).

Q: Are the luminous flux outputs equivalent?

A: Yes. The Samsung LM231A delivers 26 lm at 65mA (21–31 lm range), and the CreeLED substitute delivers 29 lm at 65mA (27–31 lm range). Both values fall within the acceptable specification envelope for neutral white 4000K LED applications. The substitute operates at higher efficiency (154 lm/W vs. 140 lm/W).

Q: What is the impact of the different package sizes?

A: The substitute uses a 1212 (3030 Metric) package, which is 0.70mm larger in length and width than the original 0909 (2323 Metric) package. PCB footprint and land pattern must be redesigned. The increased height (1.83mm vs. 0.80mm) requires clearance verification in the final assembly to prevent mechanical interference.

Q: Are there compliance or supply chain advantages to using the substitute?

A: The CreeLED XLamp® XH-G is in active production with 6236 units in stock, whereas the Samsung LM231A is obsolete. Both components are RoHS Compliant and REACH Unaffected. The substitute ensures long-term supply continuity and technical support availability.

Q: Does the wider viewing angle (130° vs. 120°) affect application suitability?

A: The 10° increase in viewing angle provides broader light distribution. For applications requiring directional illumination, this difference is negligible. For applications requiring narrow beam concentration, the substitute's wider angle may require optical design review.

Q: What is the maximum current rating difference, and does it matter?

A: The substitute is rated for 350mA maximum current versus 150mA for the original. This provides greater design margin and allows operation at higher brightness levels if required by the application. Circuit design must still limit current to appropriate levels for the intended use case.