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Equivalent & Substitute Parts for XRCWHT-L1-0000-00508
Part Overview
The XRCWHT-L1-0000-00508 is a CreeLED XLamp® XR-C Cool White surface mount LED in 3529 (9073 Metric) package format. This component operates at 4.6V forward voltage with 350mA test current, delivering 59lm at 25°C and 48 lm/W efficiency. The product is classified as obsolete, necessitating identification of active equivalent alternatives from the XLamp® XR-E series that maintain functional compatibility within the same mechanical and electrical envelope.
Substiute Parts
Key Parameters
| Parameter | XRCWHT-L1-0000-00508 |
|---|---|
| Series | XLamp® XR-C |
| Color | White |
| Voltage - Forward (Vf) (Typ) | 4.6V |
| Current - Test | 350mA |
| Flux @ 25°C, Current - Test | 59lm (57lm ~ 62lm) |
| Lumens/Watt @ Current - Test | 48 lm/W |
| Current - Max | 500mA |
| Viewing Angle | 90° |
| Package / Case | 3529 (9073 Metric) |
| Size / Dimension | 0.354" L x 0.276" W (9.00mm x 7.00mm) |
| Height - Seated (Max) | 0.181" (4.60mm) |
| Thermal Resistance of Package | 12°C/W |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict adherence to the following parameters:
Mechanical Compatibility:
- Package / Case: 3529 (9073 Metric) — all substitutes maintain identical footprint and height
- Mounting Type: Surface Mount — all substitutes are surface mount compatible
- Size / Dimension: 0.354" L x 0.276" W (9.00mm x 7.00mm) — all substitutes match
Electrical Compatibility:
- Current - Test: 350mA — all substitutes operate at 350mA test current
- Flux @ 25°C, Current - Test: 59lm (57lm ~ 62lm) — all substitutes deliver equivalent luminous flux within specification range
- Viewing Angle: 90° — all substitutes maintain 90° viewing angle
- Lumens/Watt @ Current - Test: 51 lm/W (substitutes) vs. 48 lm/W (main part) — substitutes provide improved efficiency
Compliance & Environmental:
- RoHS Status: RoHS Compliant — all substitutes maintain compliance
- Moisture Sensitivity Level (MSL): 4 (72 Hours) — all substitutes match handling requirements
- REACH Status: REACH Unaffected — all substitutes maintain status
Forward Voltage Consideration: The main part operates at 4.6V (Typ). Substitute parts operate at 3.3V (Typ), representing a 0.2V reduction. This difference is within typical circuit design tolerance for LED applications and does not preclude substitution in standard constant-current driver configurations.
Parameter Comparison
| Parameter | XRCWHT-L1-0000-00508 | XREWHT-L1-0000-00601 | XREWHT-L1-0000-005B6 | XREWHT-L1-0000-005B7 | XREWHT-L1-0000-005B8 | XREWHT-L1-0000-005B9 | XREWHT-L1-R250-005B6 | XREWHT-L1-R250-005B7 | XREWHT-L1-R250-005B8 | XREWHT-L1-R250-005B9 |
|---|---|---|---|---|---|---|---|---|---|---|
| Series | XLamp® XR-C | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E |
| Color | White | White, Cool | White | White | White | White | White | White | White | White |
| Voltage - Forward (Vf) (Typ) | 4.6V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Current - Test | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA |
| Flux @ 25°C, Current - Test | 59lm (57lm ~ 62lm) | 65lm (62lm ~ 67lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) | 59lm (57lm ~ 62lm) |
| Lumens/Watt @ Current - Test | 48 lm/W | 56 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W |
| Current - Max | 500mA | 1A | 700mA | 700mA | 700mA | 700mA | — | — | — | — |
| Viewing Angle | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° |
| Package / Case | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) |
| Size / Dimension | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) | 0.354" L x 0.276" W (9.00mm x 7.00mm) |
| Height - Seated (Max) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) | 0.181" (4.60mm) |
| Thermal Resistance of Package | 12°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts are active products from CreeLED's XLamp® XR-E series and maintain full RoHS compliance and REACH unaffected status, matching the regulatory posture of the obsolete XRCWHT-L1-0000-00508.
Primary Substitute (Highest Compatibility): XREWHT-L1-0000-005B6, XREWHT-L1-0000-005B7, XREWHT-L1-0000-005B8, XREWHT-L1-0000-005B9 — These parts deliver identical luminous flux (59lm at 350mA) and maintain the same mechanical envelope. Forward voltage reduction from 4.6V to 3.3V is accommodated within standard constant-current LED driver designs. Thermal resistance improvement (8°C/W vs. 12°C/W) provides enhanced thermal performance. Available in Tape & Reel packaging.
Alternative Substitute (Enhanced Performance): XREWHT-L1-0000-00601 — This part delivers higher luminous flux (65lm at 350mA) and superior efficiency (56 lm/W vs. 48 lm/W). It includes specified CRI of 75 (Typ) and supports higher maximum current (1A vs. 500mA). Suitable for applications requiring increased light output within the same package footprint.
Tape & Reel Variants: XREWHT-L1-R250-005B6, XREWHT-L1-R250-005B7, XREWHT-L1-R250-005B8, XREWHT-L1-R250-005B9 — These parts are functionally equivalent to their non-R250 counterparts, with identical electrical and mechanical specifications. The R250 designation indicates reel configuration. Maximum current specification is not provided for these variants.
Frequently Asked Questions (FAQ)
Q: Can XREWHT-L1-0000-005B6 directly replace XRCWHT-L1-0000-00508 in existing designs? A: Yes. Both parts share identical package (3529), footprint (9.00mm x 7.00mm), height (4.60mm), viewing angle (90°), and luminous flux (59lm at 350mA). The forward voltage difference (3.3V vs. 4.6V) is managed by constant-current LED drivers and does not require circuit modification.
Q: What is the significance of the 0.2V forward voltage reduction? A: In constant-current driver configurations, forward voltage variation is compensated by the driver's feedback loop. The 0.2V reduction results in slightly lower power dissipation (0.07W less at 350mA) and is within normal LED manufacturing tolerance ranges.
Q: Why do substitute parts show improved thermal resistance (8°C/W vs. 12°C/W)? A: The XLamp® XR-E series incorporates enhanced thermal design compared to the XR-C series. Lower thermal resistance improves heat dissipation and supports higher reliability in thermally constrained applications.
Q: What is the difference between standard and R250 variants? A: R250 designation indicates reel configuration for automated assembly. Electrical and mechanical specifications are identical. Selection depends on packaging and supply chain requirements.
Q: Is XREWHT-L1-0000-00601 suitable as a substitute if higher brightness is required? A: Yes. This part delivers 65lm at 350mA (compared to 59lm for the main part) and achieves 56 lm/W efficiency. It maintains identical package, footprint, and viewing angle, making it suitable for applications requiring increased luminous output.
Q: Are all substitute parts RoHS compliant? A: Yes. All substitute parts maintain RoHS Compliant status and REACH Unaffected designation, matching the regulatory compliance of the original part.
Q: What is the maximum current rating for R250 variants? A: Maximum current specification is not provided in the technical data for XREWHT-L1-R250 variants. Consult CreeLED documentation or contact the supplier for this parameter.
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