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XRCWHT-L1-0000-006A7 Equivalent & Substitute Parts
Part Overview
The XRCWHT-L1-0000-006A7 is a CreeLED XLamp® XR-C warm white LED (3250K) surface mount component in 3529 metric package. This part is classified as obsolete. Equivalent substitute parts from the active XLamp® XR-E series are available with improved thermal performance and maintained optical specifications, enabling direct replacement in existing designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Color Temperature (CCT) | 3250K |
| Flux @ 25°C, 350mA | 65 lm (62–67 lm range) |
| Forward Voltage (Vf) | 4.6V |
| Test Current | 350mA |
| Lumens/Watt @ 350mA | 53 lm/W |
| Viewing Angle | 90° |
| Package / Case | 3529 (9073 Metric) |
| Mounting Type | Surface Mount |
| Thermal Resistance | 12°C/W |
| RoHS Status | RoHS Compliant |
| MSL Rating | 4 (72 Hours) |
Substitute Part Grouping Explanation
Substitute parts are selected from the CreeLED XLamp® XR-E series based on the following criteria:
Mechanical Compatibility: All substitutes maintain identical package dimensions (3529 metric, 9.00mm × 7.00mm × 4.60mm max height) and surface mount configuration, ensuring PCB footprint compatibility.
Optical Compatibility: All substitutes deliver the same luminous flux specification (65 lm at 25°C, 350mA test current) and 90° viewing angle, maintaining equivalent light output and distribution.
Electrical Compatibility: All substitutes operate at 350mA test current with forward voltage of 3.3V (0.2V lower than the main part), within acceptable circuit design margins for LED driver circuits.
Environmental Compliance: All substitutes maintain RoHS compliance, MSL 4 rating, and identical moisture sensitivity specifications.
Thermal Performance: XLamp® XR-E substitutes feature improved thermal resistance (8°C/W versus 12°C/W), reducing junction temperature rise during operation.
Color Temperature Options: Substitutes are available in four color temperatures (2700K, 2850K, 3000K, 3250K) to match application requirements. The 3250K variants (XREWHT-L1-0000-006A7 and XREWHT-L1-R250-006A7) provide direct spectral matching.
Packaging Variants: Substitutes are available in two tape & reel configurations (standard and R250 variant), accommodating different assembly line requirements.
Parameter Comparison
| Part Number | Series | Status | CCT (K) | Vf (V) | Flux @ 25°C (lm) | lm/W | Thermal Resistance (°C/W) | Packaging | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| XRCWHT-L1-0000-006A7 | XLamp® XR-C | Obsolete | 3250 | 4.6 | 65 | 53 | 12 | SMD | 931 |
| XREWHT-L1-0000-006A7 | XLamp® XR-E | Active | 3250 | 3.3 | 65 | 56 | 8 | Tape & Reel | 1006 |
| XREWHT-L1-0000-006A8 | XLamp® XR-E | Active | 3000 | 3.3 | 65 | 56 | 8 | Tape & Reel | 868 |
| XREWHT-L1-0000-006A9 | XLamp® XR-E | Active | 2850 | 3.3 | 65 | 56 | 8 | Tape & Reel | 746 |
| XREWHT-L1-0000-006AA | XLamp® XR-E | Active | 2700 | 3.3 | 65 | 56 | 8 | Tape & Reel | 829 |
| XREWHT-L1-R250-006A7 | XLamp® XR-E | Active | 3250 | 3.3 | 65 | 56 | 8 | Tape & Reel | 698 |
| XREWHT-L1-R250-006A8 | XLamp® XR-E | Active | 3000 | 3.3 | 65 | 56 | 8 | Tape & Reel | 1053 |
| XREWHT-L1-R250-006A9 | XLamp® XR-E | Active | 2850 | 3.3 | 65 | 56 | 8 | Tape & Reel | 1081 |
| XREWHT-L1-R250-006AA | XLamp® XR-E | Active | 2700 | 3.3 | 65 | 56 | 8 | Tape & Reel | 1045 |
Engineering Selection Recommendations
Primary Substitute (Spectral Match): XREWHT-L1-0000-006A7 or XREWHT-L1-R250-006A7 are the recommended direct replacements, maintaining the 3250K color temperature of the original XRCWHT-L1-0000-006A7. Both variants are active products with full RoHS compliance and improved thermal characteristics.
Alternative Color Temperatures: When application requirements permit color temperature variation, XREWHT-L1-0000-006A8 (3000K), XREWHT-L1-0000-006A9 (2850K), and XREWHT-L1-0000-006AA (2700K) provide equivalent optical and electrical performance with warmer color rendering.
Packaging Selection: Standard tape & reel variants (XREWHT-L1-0000-006Ax) are suitable for conventional pick-and-place assembly. R250 variants (XREWHT-L1-R250-006Ax) accommodate specific tape specifications; selection depends on assembly equipment compatibility.
Circuit Design Consideration: The 0.2V reduction in forward voltage (3.3V versus 4.6V) requires verification that LED driver circuits accommodate this specification. Most constant-current drivers operate across this voltage range without modification.
Thermal Advantage: The improved thermal resistance of XLamp® XR-E substitutes (8°C/W versus 12°C/W) reduces junction temperature by approximately 4°C at 350mA operation, extending component lifetime and improving color stability.
Frequently Asked Questions (FAQ)
Q: Can XREWHT-L1-0000-006A7 directly replace XRCWHT-L1-0000-006A7 without PCB modification?
A: Yes. Both parts share identical package dimensions (3529 metric), footprint, and mounting configuration. No PCB layout changes are required.
Q: What is the impact of the 0.2V forward voltage difference?
A: LED driver circuits using constant-current regulation are unaffected by this voltage difference. The driver maintains 350mA output regardless of the 0.2V variation. Verify your specific driver circuit specifications if using voltage-regulated supplies.
Q: Are the color temperatures interchangeable?
A: Color temperatures are not interchangeable in applications requiring specific CCT values. XREWHT-L1-0000-006A7 (3250K) matches the original part's color temperature. Other variants (2700K, 2850K, 3000K) are suitable only when application requirements permit warmer color rendering.
Q: What is the difference between standard and R250 tape & reel variants?
A: Both variants contain identical LED components. The R250 designation indicates a specific tape reel configuration. Selection depends on your assembly equipment's tape specifications. Consult your pick-and-place machine documentation for compatibility.
Q: Does the improved thermal resistance affect circuit design?
A: No circuit design changes are required. The lower thermal resistance (8°C/W) is a performance improvement that reduces junction temperature during operation, benefiting reliability and color stability. Existing thermal management designs remain valid.
Q: Are all substitute parts RoHS compliant?
A: Yes. All XLamp® XR-E substitutes maintain RoHS compliance and identical MSL 4 (72-hour) moisture sensitivity ratings as the original part.
Q: What inventory levels are available for each substitute?
A: Inventory varies by part number. XREWHT-L1-R250-006A8 (3000K) and XREWHT-L1-R250-006A9 (2850K) show the highest availability (1053 and 1081 units respectively). Verify current stock levels with your supplier for production planning.
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