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XRCWHT-L1-0000-006B9 LED XLamp Warm White 2SMD Equivalent & Substitute Parts
Part Overview
The XRCWHT-L1-0000-006B9 is a CreeLED XLamp XR-C warm white surface mount LED in 3529 (9073 Metric) package format. This part is classified as obsolete, making substitute parts necessary for ongoing production and design requirements. The XLamp XR-C series has been superseded by the XLamp XR-E series, which maintains electrical and mechanical compatibility while offering active product status and improved thermal characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | XRCWHT-L1-0000-006B9 |
| Manufacturer | CreeLED, Inc. |
| Series | XLamp XR-C |
| Product Status | Obsolete |
| Color | White |
| Flux @ 25°C, 350mA | 65 lm (62–67 lm range) |
| Forward Voltage (Vf) | 4.6V (Typ) |
| Test Current | 350 mA |
| Maximum Current | 500 mA |
| Lumens/Watt @ 350mA | 53 lm/W |
| Viewing Angle | 90° |
| Package / Case | 3529 (9073 Metric) |
| Mounting Type | Surface Mount |
| 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 |
| Moisture Sensitivity Level (MSL) | 4 (72 Hours) |
| RoHS Status | RoHS Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution of XRCWHT-L1-0000-006B9 is determined by the following electrical and mechanical parameters:
Critical Matching Parameters:
- Package / Case: 3529 (9073 Metric) — identical footprint and mounting interface
- Mounting Type: Surface Mount — same assembly process compatibility
- Size / Dimension: 0.354" L × 0.276" W (9.00 mm × 7.00 mm) — identical PCB placement
- Height - Seated (Max): 0.181" (4.60 mm) — identical clearance requirements
- Flux @ 25°C, 350mA: 65 lm (62–67 lm range) — identical luminous output specification
- Test Current: 350 mA — identical operating current
- Viewing Angle: 90° — identical beam pattern
- Moisture Sensitivity Level (MSL): 4 (72 Hours) — identical handling requirements
- RoHS Status: RoHS Compliant — identical regulatory compliance
- REACH Status: REACH Unaffected — identical regulatory compliance
Allowable Variation Parameters:
- Forward Voltage (Vf): 3.3V (substitute) vs. 4.6V (main part) — 0.2V difference within circuit design tolerance
- Thermal Resistance: 8°C/W (substitute) vs. 12°C/W (main part) — improved thermal performance in substitutes
- Series: XLamp XR-E (substitute) vs. XLamp XR-C (main part) — generational upgrade with maintained specifications
- Product Status: Active (substitute) vs. Obsolete (main part) — substitutes ensure supply continuity
All nine substitute parts (XREWHT-L1-0000-006AA, XREWHT-L1-0000-006B1 through XREWHT-L1-0000-006B9) meet these criteria and are electrically and mechanically interchangeable with the main part.
Parameter Comparison
| Parameter | XRCWHT-L1-0000-006B9 (Main) | XREWHT-L1-0000-006AA | XREWHT-L1-0000-006B1 | XREWHT-L1-0000-006B2 | XREWHT-L1-0000-006B3 | XREWHT-L1-0000-006B4 | XREWHT-L1-0000-006B5 | XREWHT-L1-0000-006B6 | XREWHT-L1-0000-006B7 | XREWHT-L1-0000-006B8 | XREWHT-L1-0000-006B9 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | XLamp XR-E |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Color | White | White, Warm | White | White | White | White | White | White | White | White | White |
| CCT (K) | — | 2700K | — | — | — | — | — | — | — | — | — |
| Flux @ 25°C, 350mA | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) | 65 lm (62–67 lm) |
| Forward Voltage (Vf) | 4.6V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Test Current | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA | 350 mA |
| Lumens/Watt @ 350mA | 53 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W | 56 lm/W |
| Viewing Angle | 90° | 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) | 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) | 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) | 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 | 8°C/W | 8°C/W | 8°C/W | 8°C/W | 8°C/W |
| 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) | 4 (72 Hours) |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
All nine substitute parts are qualified replacements for XRCWHT-L1-0000-006B9 based on the following engineering criteria:
Electrical Compatibility: All substitutes maintain identical luminous flux output (65 lm at 350 mA test current) and viewing angle (90°). Forward voltage difference of 0.2V (3.3V vs. 4.6V) is within standard circuit design tolerance for LED driver circuits and does not affect functional performance in typical applications.
Mechanical Compatibility: All substitutes share identical package format (3529 / 9073 Metric), footprint dimensions (9.00 mm × 7.00 mm), and seated height (4.60 mm), ensuring direct PCB layout compatibility without redesign.
Regulatory Compliance: All substitutes maintain RoHS Compliant and REACH Unaffected status, matching the regulatory profile of the main part.
Product Status: All substitutes are classified as Active, ensuring supply continuity and long-term availability compared to the obsolete main part.
Thermal Performance: Substitute parts offer improved thermal resistance (8°C/W vs. 12°C/W), providing enhanced thermal management in applications where heat dissipation is a design consideration.
Moisture Handling: All substitutes maintain MSL 4 (72 Hours) classification, requiring identical moisture control procedures during storage and assembly.
Frequently Asked Questions (FAQ)
Q: Can XREWHT-L1-0000-006B1 through XREWHT-L1-0000-006B9 be used as direct replacements for XRCWHT-L1-0000-006B9 without circuit modification?
A: Yes. All nine substitute parts are electrically and mechanically interchangeable. The 0.2V forward voltage difference (3.3V vs. 4.6V) is within standard LED driver circuit tolerance and does not require circuit redesign for typical applications.
Q: What is the difference between XREWHT-L1-0000-006AA and the other substitute parts?
A: XREWHT-L1-0000-006AA is specified with CCT 2700K (warm white color temperature), while the other eight substitutes do not specify CCT. All nine parts maintain identical electrical output (65 lm at 350 mA) and mechanical compatibility.
Q: Are there any differences in packaging between the main part and substitute parts?
A: The main part is supplied in bulk packaging, while all substitute parts are supplied in Tape & Reel (TR) format. Both packaging formats contain identical components; the difference is in the delivery method for automated assembly processes.
Q: Why do the substitute parts have lower thermal resistance (8°C/W vs. 12°C/W)?
A: The XLamp XR-E series (substitutes) represents a generational improvement over the XLamp XR-C series (main part). Improved thermal resistance indicates better heat dissipation characteristics, which is a design enhancement that does not affect compatibility.
Q: Can I mix XRCWHT-L1-0000-006B9 and XREWHT substitute parts in the same assembly?
A: Yes. All parts are electrically and mechanically compatible and can be used interchangeably in the same circuit and PCB layout without performance degradation.
Q: What is the inventory status of these substitute parts?
A: All nine substitute parts are in active production with confirmed inventory: XREWHT-L1-0000-006AA (829 pcs), XREWHT-L1-0000-006B1 (749 pcs), XREWHT-L1-0000-006B2 (1,039 pcs), XREWHT-L1-0000-006B3 (1,056 pcs), XREWHT-L1-0000-006B4 (982 pcs), XREWHT-L1-0000-006B5 (918 pcs), XREWHT-L1-0000-006B6 (778 pcs), XREWHT-L1-0000-006B7 (899 pcs), XREWHT-L1-0000-006B8 (648 pcs), and XREWHT-L1-0000-006B9 (739 pcs).
Q: Are there any handling or storage differences between the main part and substitutes?
A: No. All parts share identical Moisture Sensitivity Level (MSL 4, 72 Hours) and require the same moisture control procedures during storage and assembly.
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