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XRCWHT-L1-0000-007B7 LED XLamp Warm White Equivalent & Substitute Parts
Part Overview
The XRCWHT-L1-0000-007B7 is a CreeLED XLamp XR-C warm white surface mount LED in 3529 (9073 Metric) package configuration. This part operates at 4.6V forward voltage with 350mA test current, delivering 71 lumens at 25°C and 58 lm/W efficiency. The product is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. All substitute parts listed maintain identical mechanical compatibility and core electrical performance within the specified parameter ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | XRCWHT-L1-0000-007B7 | — |
| Manufacturer | CreeLED, Inc. | — |
| Series | XLamp XR-C | — |
| Product Status | Obsolete | — |
| Color | White | — |
| Flux @ 25°C, 350mA | 71 (67–74) | lm |
| Forward Voltage (Typ) | 4.6 | V |
| Test Current | 350 | mA |
| Maximum Current | 500 | mA |
| Lumens/Watt @ 350mA | 58 | lm/W |
| Viewing Angle | 90 | ° |
| Package / Case | 3529 (9073 Metric) | — |
| Size / Dimension | 0.354" L × 0.276" W (9.00mm × 7.00mm) | — |
| Height - Seated (Max) | 0.181" (4.60mm) | — |
| Thermal Resistance | 12 | °C/W |
| Mounting Type | Surface Mount | — |
| RoHS Status | RoHS Compliant | — |
| MSL (Moisture Sensitivity) | 4 (72 Hours) | — |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
Mechanical Compatibility: Package type (3529/9073 Metric), footprint dimensions (9.00mm × 7.00mm), and maximum seated height (4.60mm) must be identical. All substitute parts maintain these specifications.
Electrical Performance: Test current (350mA), flux output at 25°C (71 lm ± 3 lm range), viewing angle (90°), and color classification (White) establish functional equivalence. Forward voltage tolerance ranges from 3.3V to 4.6V across the substitute group.
Thermal Characteristics: Thermal resistance values range from 8°C/W to 12°C/W. Lower thermal resistance in substitute parts (8°C/W) indicates improved thermal performance compared to the main part (12°C/W).
Compliance & Environmental: All parts maintain RoHS compliance, MSL 4 rating, and identical REACH/ECCN classifications.
Series Transition: The main part (XLamp XR-C) is obsolete. All substitute parts belong to the active XLamp XR-E series, providing continued availability and support.
Parameter Comparison
| Part Number | Series | Status | Vf (Typ) [V] | Flux @ 25°C [lm] | lm/W @ 350mA | Thermal Resistance [°C/W] | Inventory [Pcs] |
|---|---|---|---|---|---|---|---|
| XRCWHT-L1-0000-007B7 | XLamp XR-C | Obsolete | 4.6 | 71 (67–74) | 58 | 12 | 1102 |
| XREWHT-L1-0000-007AA | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1097 |
| XREWHT-L1-0000-007B1 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1053 |
| XREWHT-L1-0000-007B2 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 851 |
| XREWHT-L1-0000-007B3 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 725 |
| XREWHT-L1-0000-007B4 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1095 |
| XREWHT-L1-0000-007B5 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1130 |
| XREWHT-L1-0000-007B6 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1100 |
| XREWHT-L1-0000-007B7 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 954 |
| XREWHT-L1-0000-007B8 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1095 |
| XREWHT-L1-0000-007B9 | XLamp XR-E | Active | 3.3 | 71 (67–74) | 61 | 8 | 1054 |
Engineering Selection Recommendations
All listed XLamp XR-E parts are active production items from CreeLED, Inc., ensuring long-term availability and supply chain stability. The transition from XLamp XR-C (obsolete) to XLamp XR-E (active) maintains identical mechanical footprint and electrical performance specifications.
Forward voltage reduction from 4.6V to 3.3V across substitute parts requires circuit-level verification. Applications operating at fixed 4.6V supply may require minor resistor or current-limiting adjustments to maintain 350mA test current. Lumens/Watt efficiency improvement (58 lm/W to 61 lm/W) and thermal resistance reduction (12°C/W to 8°C/W) represent performance enhancements in substitute parts.
All parts maintain RoHS compliance and identical MSL 4 moisture sensitivity ratings. REACH and ECCN classifications remain unchanged. Selection among substitute parts may be based on inventory availability and specific CCT or color binning requirements as indicated by part number suffix variations.
Frequently Asked Questions (FAQ)
Q: Can XREWHT-L1-0000-007B series parts directly replace XRCWHT-L1-0000-007B7?
A: Yes, mechanically and electrically. All substitute parts share identical 3529 package dimensions, 90° viewing angle, and 71 lm flux output at 350mA test current. Forward voltage differs by 0.2V (3.3V vs. 4.6V), requiring circuit verification for fixed-voltage applications.
Q: What is the impact of forward voltage difference (4.6V vs. 3.3V)?
A: The 0.2V reduction in forward voltage decreases power dissipation and improves efficiency. Designs using current-limiting resistors will maintain constant 350mA operation. Fixed-voltage supplies may require adjustment to maintain specified test current.
Q: Are all substitute parts in active production?
A: Yes. All XREWHT-L1-0000-007B series parts are classified as active. The original XRCWHT-L1-0000-007B7 is obsolete, making substitution necessary for new designs and production continuity.
Q: Do substitute parts require PCB layout changes?
A: No. All parts use identical 3529 (9073 Metric) surface mount package with matching footprint dimensions (9.00mm × 7.00mm) and maximum seated height (4.60mm). Existing PCB layouts are compatible without modification.
Q: What is the difference between XREWHT-L1-0000-007AA and other XREWHT-L1-0000-007B variants?
A: XREWHT-L1-0000-007AA specifies 2700K color temperature (warm white). Other 007B variants do not specify CCT in provided data. All maintain identical electrical performance and mechanical compatibility.
Q: Are thermal characteristics improved in substitute parts?
A: Yes. Substitute parts feature 8°C/W thermal resistance compared to 12°C/W in the original part, indicating improved heat dissipation and thermal performance.
Q: Do all parts meet the same compliance standards?
A: Yes. All parts are RoHS compliant, REACH unaffected, and classified as EAR99 with identical HTSUS code 8541.41.0000. MSL 4 moisture sensitivity rating applies uniformly across all parts.
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