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XRCWHT-L1-0000-005B1 LED XLamp® XR-C White Equivalent & Substitute Parts
Part Overview
The XRCWHT-L1-0000-005B1 is a CreeLED XLamp® XR-C white surface mount LED in 3529 (9073 Metric) package configuration. This part is classified as obsolete. Due to product discontinuation, equivalent substitute parts from the active XLamp® XR-E series are available to maintain design compatibility and supply chain continuity. Substitute parts maintain identical mechanical form factor, electrical operating parameters, and compliance certifications while offering improved thermal performance and higher luminous efficacy.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | XRCWHT-L1-0000-005B1 |
| Manufacturer | CreeLED, Inc. |
| Series | XLamp® XR-C |
| Product Status | Obsolete |
| Color | White |
| Flux @ 25°C, 350mA | 59 lm (57–62 lm range) |
| Forward Voltage (Vf) Typical | 4.6 V |
| Test Current | 350 mA |
| Maximum Current | 500 mA |
| Lumens/Watt @ 350mA | 48 lm/W |
| Viewing Angle | 90° |
| Package / Case | 3529 (9073 Metric) |
| Size / Dimension | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) |
| Height - Seated (Max) | 0.181" (4.60 mm) |
| Thermal Resistance | 12°C/W |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution is based on strict electrical and mechanical compatibility within the 3529 (9073 Metric) package class. All substitute parts maintain the following critical parameters:
- Package / Case: 3529 (9073 Metric) — identical mechanical form factor
- Mounting Type: Surface Mount — PCB assembly compatibility
- Size / Dimension: 0.354" L × 0.276" W (9.00 mm × 7.00 mm) — footprint equivalence
- Height - Seated (Max): 0.181" (4.60 mm) — clearance compatibility
- Test Current: 350 mA — standard operating point
- Viewing Angle: 90° — optical characteristics
- Color: White — spectral output category
- Flux @ 25°C, 350mA: 59 lm (57–62 lm range) — luminous output equivalence
- RoHS Compliance: RoHS Compliant — regulatory alignment
- MSL: 4 (72 Hours) — moisture handling requirements
- REACH Status: REACH Unaffected — chemical compliance
Substitute parts are drawn from the active XLamp® XR-E series, which provides improved thermal resistance (8°C/W versus 12°C/W) and higher luminous efficacy (51–56 lm/W versus 48 lm/W) while maintaining backward compatibility with existing designs.
Parameter Comparison
| Parameter | XRCWHT-L1-0000-005B1 (Main) | XREWHT-L1-0000-006E5 | XREWHT-L1-0000-005B6 | XREWHT-L1-0000-005B7 | XREWHT-L1-0000-005B8 | XREWHT-L1-0000-005B9 |
|---|---|---|---|---|---|---|
| Series | XLamp® XR-C | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Color | White | White, Neutral | White | White | White | White |
| CCT (K) | — | 4000K | — | — | — | — |
| Flux @ 25°C, 350mA | 59 lm (57–62 lm) | 65 lm (62–67 lm) | 59 lm (57–62 lm) | 59 lm (57–62 lm) | 59 lm (57–62 lm) | 59 lm (57–62 lm) |
| Forward Voltage (Vf) Typical | 4.6 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Test Current | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA |
| Maximum Current | 500 mA | 700 mA | 700 mA | 700 mA | 700 mA | 700 mA |
| Lumens/Watt @ 350mA | 48 lm/W | 56 lm/W | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W |
| CRI (Color Rendering Index) | — | 75 (Typ) | — | — | — | — |
| Viewing Angle | 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) |
| Size / Dimension | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) |
| Height - Seated (Max) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) |
| Thermal Resistance | 12°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 |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| MSL | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Additional Substitute Parts (R250 Variant)
| Parameter | XREWHT-L1-R250-005B6 | XREWHT-L1-R250-005B7 | XREWHT-L1-R250-005B8 | XREWHT-L1-R250-005B9 |
|---|---|---|---|---|
| Series | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E | XLamp® XR-E |
| Product Status | Active | Active | Active | Active |
| Color | White | White | White | White |
| Flux @ 25°C, 350mA | 59 lm (57–62 lm) | 59 lm (57–62 lm) | 59 lm (57–62 lm) | 59 lm (57–62 lm) |
| Forward Voltage (Vf) Typical | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Test Current | 350 mA | 350 mA | 350 mA | 350 mA |
| Lumens/Watt @ 350mA | 51 lm/W | 51 lm/W | 51 lm/W | 51 lm/W |
| Viewing Angle | 90° | 90° | 90° | 90° |
| Package / Case | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) | 3529 (9073 Metric) |
| Size / Dimension | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) | 0.354" L × 0.276" W (9.00 mm × 7.00 mm) |
| Height - Seated (Max) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) | 0.181" (4.60 mm) |
| Thermal Resistance | 8°C/W | 8°C/W | 8°C/W | 8°C/W |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| MSL | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) | 4 (72 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
All substitute parts listed are active production components from CreeLED's XLamp® XR-E series. They maintain full RoHS compliance and REACH unaffected status, ensuring regulatory alignment with the original XRCWHT-L1-0000-005B1.
The XREWHT-L1-0000-006E5 variant offers the highest luminous efficacy at 56 lm/W with specified color temperature of 4000K (neutral white) and CRI of 75 (typical). This part is suitable for applications requiring defined color rendering characteristics.
The XREWHT-L1-0000-005B6, XREWHT-L1-0000-005B7, XREWHT-L1-0000-005B8, and XREWHT-L1-0000-005B9 variants provide 51 lm/W efficacy with identical luminous output (59 lm at 350 mA) and are available in both standard and R250 packaging configurations. These parts are functionally equivalent for applications where color temperature specification is not critical.
All substitute parts feature improved thermal resistance (8°C/W versus 12°C/W), enabling better heat dissipation and extended operational life in thermally constrained designs. Forward voltage is reduced from 4.6 V to 3.3 V, resulting in lower power consumption at the standard 350 mA test current.
Frequently Asked Questions (FAQ)
Q: Can XREWHT-L1-0000-005B6, XREWHT-L1-0000-005B7, XREWHT-L1-0000-005B8, and XREWHT-L1-0000-005B9 be used interchangeably with XRCWHT-L1-0000-005B1?
A: Yes. All parts share identical mechanical form factor (3529 package, 9.00 mm × 7.00 mm footprint, 4.60 mm seated height), identical luminous output (59 lm at 350 mA), identical viewing angle (90°), and identical compliance certifications (RoHS, REACH, MSL 4). The 0.2 V reduction in forward voltage (4.6 V to 3.3 V) is within typical circuit design margins for LED applications.
Q: What is the difference between standard and R250 packaging variants?
A: The R250 designation indicates a specific reel configuration for tape and reel packaging. Electrically and mechanically, XREWHT-L1-R250-005B6, XREWHT-L1-R250-005B7, XREWHT-L1-R250-005B8, and XREWHT-L1-R250-005B9 are identical to their non-R250 counterparts. Selection depends on assembly equipment compatibility and supply chain requirements.
Q: Why does XREWHT-L1-0000-006E5 show higher flux (65 lm) than the main part (59 lm)?
A: XREWHT-L1-0000-006E5 is specified with 4000K color temperature and CRI 75, which represents a different binning category within the XLamp® XR-E series. The higher flux output reflects the specific spectral characteristics of this variant. For applications requiring exact luminous output matching, use XREWHT-L1-0000-005B6, XREWHT-L1-0000-005B7, XREWHT-L1-0000-005B8, or XREWHT-L1-0000-005B9.
Q: Are there any thermal design considerations when substituting?
A: Substitute parts feature improved thermal resistance (8°C/W versus 12°C/W), which reduces junction temperature rise for equivalent power dissipation. Existing thermal designs will operate at lower junction temperatures with substitute parts, improving reliability and extending component life.
Q: What is the maximum current rating for substitute parts?
A: XREWHT series parts are rated for 700 mA maximum current, compared to 500 mA for the original XRCWHT-L1-0000-005B1. Standard operating point remains 350 mA. Higher maximum current rating provides design flexibility for future performance optimization.
Q: Are all substitute parts available in the same packaging format?
A: Substitute parts are available in Tape & Reel (TR) packaging. The original XRCWHT-L1-0000-005B1 packaging format is not specified in the provided data. Confirm packaging compatibility with your assembly process requirements.
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