XMLEZW-02-0000-0D0HT635F Equivalent & Substitute Parts

Part Overview

The XMLEZW-02-0000-0D0HT635F is a CreeLED EasyWhite™ XLamp® XM-L warm white LED (3500K) in 2020 (5050 metric) surface mount package. This component is classified as obsolete product status. Finding equivalent substitute parts is necessary due to discontinued manufacturing and limited inventory availability. The substitute identified maintains functional compatibility through equivalent optical, thermal, and electrical characteristics within acceptable engineering tolerances.

Substiute Parts

XMLEZW-02-0000-0D0HT635F

CreeLED, Inc.In Stock: 1115XMLEZW-02-0000-0D0HT635F Datasheet

Current PartRFQ

XHP50B-00-0000-0D0UG235G

CreeLED, Inc.In Stock: 1002XHP50B-00-0000-0D0UG235G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part XHP50B-00-0000-0D0UG235G is qualified as an equivalent based on the following substitution criteria:

Mechanical Compatibility:

• Identical package type: 2020 (5050 Metric) surface mount
• Identical footprint dimensions: 0.197" L x 0.197" W (5.00mm x 5.00mm)
• Compatible height profile: 0.143" (3.63mm) seated height vs. 0.124" (3.15mm) original

Optical Compatibility:

• Matching color specification: White, Warm
• Matching CCT: 3500K (4-Step vs. 3-Step MacAdam Ellipse—both within warm white specification)
• Compatible viewing angle: 120° vs. 115° original (wider acceptance angle)
• Enhanced CRI: 90 vs. 80 original (improved color rendering)

Electrical Compatibility:

• Dual voltage operation: 6V and 12V (12V operation matches original 12V specification)
• Test current at 12V: 700mA (within maximum current rating of 1A original)
• Forward voltage compatible with 12V operation

Thermal & Performance:

• Improved thermal resistance: 1.2°C/W vs. 2.5°C/W original (superior thermal management)
• Higher luminous efficacy: 103 lm/W vs. 69 lm/W original
• Higher flux output: 810lm @ 85°C vs. 290lm original

Compliance:

• RoHS Compliant (matching original)
• REACH Unaffected (matching original)
• Active product status (vs. obsolete original)

Parameter Comparison

Engineering Selection Recommendations

The XHP50B-00-0000-0D0UG235G qualifies as a direct substitute for the obsolete XMLEZW-02-0000-0D0HT635F based on the following engineering criteria:

Product Availability: The original part is obsolete with limited inventory. The substitute is active product status with current manufacturing support and availability.

Compliance Alignment: Both parts maintain RoHS Compliance and REACH Unaffected status, ensuring regulatory continuity in applications subject to these requirements.

Mechanical Fit: Identical 2020 (5050 Metric) package footprint and surface mount configuration ensure PCB compatibility without layout modifications. The 0.019" (0.48mm) height difference is within standard PCB assembly tolerances.

Electrical Operation: The substitute operates at the original 12V specification with 700mA test current, remaining within the original 1A maximum current rating. Dual voltage capability (6V/12V) provides additional design flexibility.

Performance Enhancement: The substitute delivers superior performance characteristics including higher luminous efficacy (103 vs. 69 lm/W), improved thermal management (1.2 vs. 2.5°C/W), and enhanced color rendering (CRI 90 vs. 80), while maintaining warm white 3500K color temperature specification.

Frequently Asked Questions (FAQ)

Q: Can the XHP50B-00-0000-0D0UG235G be used as a direct replacement without circuit modifications?

A: Yes. The substitute operates at 12V with 700mA test current, matching the original electrical specification. Identical 2020 (5050 Metric) package footprint ensures PCB compatibility. No circuit modifications are required for standard 12V applications.

Q: What is the significance of the MacAdam Ellipse difference (4-Step vs. 3-Step)?

A: Both specifications define color temperature tolerance at 3500K warm white. The 4-Step original has tighter color tolerance; the 3-Step substitute has broader tolerance. Both are within warm white specification and visually indistinguishable in typical lighting applications.

Q: Does the height difference (0.124" vs. 0.143") affect assembly?

A: The 0.019" (0.48mm) height difference is within standard PCB assembly tolerances. No design modifications are necessary. Verify clearance in applications with height-constrained enclosures.

Q: Why does the substitute have higher lumen output?

A: The XHP50.2 series represents a newer generation LED technology with improved phosphor efficiency and thermal design, resulting in higher luminous output at equivalent current levels.

Q: Are there any thermal management considerations?

A: The substitute has superior thermal resistance (1.2°C/W vs. 2.5°C/W), requiring less aggressive thermal management. Existing thermal solutions designed for the original part will perform adequately with the substitute.

Q: What is the packaging difference (Tape & Reel vs. unspecified)?

A: The substitute is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly. Verify reel specifications and handling requirements with your assembly partner if transitioning from alternative packaging.

Q: Can the substitute be used in 6V applications?

A: Yes. The XHP50B-00-0000-0D0UG235G supports dual voltage operation at 6V (1.4A test current) and 12V (700mA test current). Select the appropriate current rating for your circuit design.