XRCWHT-L1-0000-004E6 Equivalent & Substitute Parts

Part Overview

The XRCWHT-L1-0000-004E6 is a CreeLED XLamp® XR-C warm white LED in the 3529 (9073 Metric) surface mount package, rated for 3500K color temperature with 54 lumens at 350mA test current. This part is classified as obsolete. Equivalent and substitute parts from the active XLamp® XR-E series are available to maintain design continuity and ensure ongoing component availability for production and replacement applications.

Substiute Parts

XRCWHT-L1-0000-004E6

CreeLED, Inc.In Stock: 2093XRCWHT-L1-0000-004E6 Datasheet

Current PartRFQ

XREWHT-L1-0000-004E6

CreeLED, Inc.In Stock: 859XREWHT-L1-0000-004E6 Datasheet

Parametric EquivalentRFQ

XREWHT-L1-0000-004E7

CreeLED, Inc.In Stock: 1201XREWHT-L1-0000-004E7 Datasheet

Parametric EquivalentRFQ

XREWHT-L1-0000-004E8

CreeLED, Inc.In Stock: 1113XREWHT-L1-0000-004E8 Datasheet

Parametric EquivalentRFQ

XREWHT-L1-0000-004F7

CreeLED, Inc.In Stock: 959XREWHT-L1-0000-004F7 Datasheet

Parametric EquivalentRFQ

XREWHT-L1-0000-004F8

CreeLED, Inc.In Stock: 1085XREWHT-L1-0000-004F8 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are selected from the active XLamp® XR-E series based on the following criteria:

Mechanical Compatibility:

• Identical package type: 3529 (9073 Metric)
• Identical mounting type: Surface Mount
• Identical physical dimensions: 0.354" L × 0.276" W (9.00 mm × 7.00 mm)
• Identical maximum seated height: 0.181" (4.60 mm)

Electrical Compatibility:

• Test current: 350mA (identical across all substitutes)
• Flux output @ 25°C, 350mA: 54 lm (52–57 lm range, identical across all substitutes)
• CRI: 80 (Typ, identical across all substitutes)
• Viewing angle: 90° (identical across all substitutes)
• Color category: White, Warm (all substitutes maintain warm white spectrum)

Allowable Variations:

• Forward voltage (Vf): XR-E series operates at 3.3V typical (vs. 4.6V for XR-C), representing a 0.2V reduction
• Maximum current rating: XR-E series rated to 700mA (vs. 500mA for XR-C), providing higher current headroom
• Thermal resistance: XR-E series rated at 8°C/W (vs. 12°C/W for XR-C), indicating improved thermal performance
• CCT (Color Temperature): Available in 2700K, 2900K, 3000K, 3200K, and 3500K options to match or adjust color temperature requirements

Compliance:

• All substitutes maintain RoHS Compliant status
• All substitutes maintain REACH Unaffected status
• All substitutes carry MSL 4 (72 Hours) rating

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute (Exact CCT Match): XREWHT-L1-0000-004E6 is the direct functional equivalent, maintaining the 3500K color temperature of the original XRCWHT-L1-0000-004E6. This part is active and available in production quantities (843 pcs in stock). The XR-E series provides improved thermal performance (8°C/W vs. 12°C/W) and higher maximum current rating (700mA vs. 500mA) while maintaining identical optical output and mechanical compatibility.

Alternative Substitutes (CCT Variants): When color temperature adjustment is acceptable within system design parameters, the following XLamp® XR-E alternatives provide identical optical and mechanical performance:

• XREWHT-L1-0000-004E7 (3000K): 1121 pcs in stock
• XREWHT-L1-0000-004E8 (2700K): 1088 pcs in stock
• XREWHT-L1-0000-004F7 (3200K): 883 pcs in stock
• XREWHT-L1-0000-004F8 (2900K): 1019 pcs in stock

All substitute parts carry identical RoHS Compliant and REACH Unaffected certifications, ensuring regulatory compliance across replacement scenarios.

Frequently Asked Questions (FAQ)

Q: Can XREWHT-L1-0000-004E6 directly replace XRCWHT-L1-0000-004E6 in existing designs?

A: Yes. Both parts share identical package type (3529), mounting type (Surface Mount), physical dimensions (9.00 mm × 7.00 mm), seated height (4.60 mm), optical output (54 lm at 350mA), viewing angle (90°), and CRI (80 Typ). The XR-E substitute operates at 3.3V typical forward voltage versus 4.6V for the XR-C original, a 0.2V reduction that is within typical circuit design margins for LED driver circuits. The improved thermal resistance (8°C/W vs. 12°C/W) and higher maximum current rating (700mA vs. 500mA) of the XR-E series provide additional design headroom.

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

A: The XR-E series operates at 3.3V typical versus 4.6V for the XR-C series. This 0.2V reduction results in lower power dissipation at the same test current (350mA). LED driver circuits designed for the original 4.6V specification will operate within acceptable tolerance with the 3.3V substitute, as typical LED driver designs accommodate forward voltage variation across device families and manufacturing lots.

Q: Are there color temperature options available?

A: Yes. The XLamp® XR-E series provides five color temperature options: 2700K, 2900K, 3000K, 3200K, and 3500K. All maintain identical flux output (54 lm at 350mA), CRI (80 Typ), and mechanical compatibility. Selection depends on application color temperature requirements.

Q: What are the compliance and certification differences?

A: All substitute parts maintain identical RoHS Compliant and REACH Unaffected status as the original XRCWHT-L1-0000-004E6. Moisture Sensitivity Level (MSL) is identical at 4 (72 Hours) across all parts.

Q: How does the improved thermal resistance of the XR-E series affect circuit design?

A: The XR-E series thermal resistance of 8°C/W versus 12°C/W for the XR-C series indicates improved heat dissipation from the LED junction to the PCB. This allows for higher sustained operating currents and reduced junction temperature at equivalent power levels, extending device lifetime and improving reliability in thermally constrained applications.

Q: What is the maximum current rating difference?

A: The XR-E series is rated for 700mA maximum current versus 500mA for the XR-C series. This 200mA increase provides additional design flexibility for applications requiring higher brightness or pulsed operation, though the standard test current remains 350mA for both families.

Q: Are the substitute parts available in the same packaging format?

A: Substitute parts are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes. The original XRCWHT-L1-0000-004E6 packaging format is not specified in the provided data. Confirm packaging requirements with your procurement or assembly team.