LED XLAMP COOL WHITE 6000K XRCWHT-L1-0000-00403 Equivalent & Substitute Parts

Part Overview

The XRCWHT-L1-0000-00403 is a surface mount LED from CreeLED's XLamp® XR-C series, specified for cool white lighting at 6000K color temperature. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing production and maintenance applications. The XLamp® XR-C series has been superseded by newer generations within the XLamp® product line, requiring engineers to evaluate functionally equivalent alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

XRCWHT-L1-0000-00403

CreeLED, Inc.In Stock: 1014XRCWHT-L1-0000-00403 Datasheet

Current PartRFQ

XREWHT-L1-0000-00603

CreeLED, Inc.In Stock: 1097XREWHT-L1-0000-00603 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XRCWHT-L1-0000-00403 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Color temperature: 6000K (cool white)
• Package / Case: 3529 (9073 Metric) surface mount
• Viewing angle: 90°
• Mounting type: Surface mount
• Mechanical dimensions: 9.00mm x 7.00mm footprint, 4.60mm maximum height
• Regulatory compliance: RoHS Compliant, REACH Unaffected

Electrical Operating Range:

• Forward voltage tolerance: 3.3V to 4.6V typical
• Test current: 350mA nominal operation
• Maximum current rating: 500mA or higher

The XREWHT-L1-0000-00603 from the XLamp® XR-E series meets all mandatory compatibility criteria. Both components share identical package geometry, color specification, and regulatory certifications. The XR-E variant operates at a lower forward voltage (3.3V vs. 4.6V) and delivers higher luminous flux (65lm vs. 54lm) at the same 350mA test current, representing a performance improvement while maintaining mechanical and thermal interface compatibility.

Parameter Comparison

Engineering Selection Recommendations

The XREWHT-L1-0000-00603 is a direct substitute for the obsolete XRCWHT-L1-0000-00403 based on the following engineering factors:

Product Status & Availability: The main part is classified as obsolete, while the substitute is active production. This status difference alone necessitates substitution for new designs and ongoing procurement.

Regulatory Compliance: Both components carry identical RoHS Compliant and REACH Unaffected certifications, ensuring equivalent environmental and regulatory standing for applications subject to these requirements.

Mechanical & Thermal Interface: Identical package geometry (3529 / 9073 Metric), footprint dimensions (9.00mm x 7.00mm), and seated height (4.60mm) ensure direct PCB compatibility without layout modifications. The substitute's improved thermal resistance (8°C/W vs. 12°C/W) provides enhanced thermal performance in the same form factor.

Electrical Compatibility: Both components operate at 350mA nominal test current with forward voltages within a 0.2V range (3.3V vs. 4.6V). Existing current-limiting circuits designed for the main part will operate the substitute within specification. The substitute's higher maximum current rating (1A vs. 500mA) provides additional design margin.

Optical Performance: Both components specify 6000K color temperature and 75 CRI, maintaining identical color rendering characteristics. The substitute delivers 20% higher luminous flux (65lm vs. 54lm) at identical test current, representing a performance enhancement rather than a compromise.

Frequently Asked Questions (FAQ)

Q: Can the XREWHT-L1-0000-00603 be used as a direct replacement for the XRCWHT-L1-0000-00403 without circuit modifications?

A: Yes. Both components share identical package geometry, footprint, and seated height. The substitute operates at a lower forward voltage (3.3V vs. 4.6V) and higher luminous flux, making it compatible with existing current-limiting circuits. No PCB layout changes are required.

Q: What is the impact of the 0.2V forward voltage difference on circuit design?

A: The substitute's lower forward voltage (3.3V vs. 4.6V) results in slightly lower voltage drop across the LED. In constant-current driver circuits, this difference is automatically compensated. In resistive current-limiting designs, the voltage difference is negligible relative to typical supply voltages and will not affect circuit operation.

Q: Why does the substitute have a higher maximum current rating (1A vs. 500mA)?

A: The XLamp® XR-E series represents a newer generation with improved die design and thermal management. The higher maximum current rating reflects this advancement and provides additional design margin for applications requiring higher brightness levels, though operation at 350mA test current remains identical to the main part.

Q: Are the thermal characteristics compatible?

A: Yes. The substitute's improved thermal resistance (8°C/W vs. 12°C/W) is a performance advantage. Both components are designed for the same 3529 package footprint and will interface identically with PCB thermal planes and heat sinks.

Q: Does the substitute meet the same regulatory requirements?

A: Yes. Both components carry identical RoHS Compliant and REACH Unaffected certifications. Moisture sensitivity level (MSL 4, 72 Hours) and handling requirements are identical.

Q: What is the difference in luminous flux between the two parts?

A: At 350mA test current and 25°C, the main part delivers 54lm (52lm ~ 57lm) while the substitute delivers 65lm (62lm ~ 67lm). This represents approximately 20% higher light output from the substitute, resulting from improved LED die efficiency in the XR-E series.

Q: Are there any packaging differences?

A: The main part is supplied in standard packaging, while the substitute is supplied in Tape & Reel (TR) format. Both use identical component packaging (3529 / 9073 Metric). Tape & Reel format is standard for automated assembly processes and does not affect component performance or compatibility.