XRCWHT-L1-0000-00510 Equivalent & Substitute Parts

Part Overview

The XRCWHT-L1-0000-00510 is a CreeLED XLamp® XR-C Cool White surface mount LED in 3529 (9073 Metric) package configuration. This part is classified as obsolete, necessitating identification of active equivalent alternatives from the XLamp® XR-E series that maintain electrical and mechanical compatibility for direct substitution in existing designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	XRCWHT-L1-0000-00510
Series	XLamp® XR-C
Product Status	Obsolete
Color	White
Flux @ 25°C, 350mA	59 lm (57–62 lm range)
Forward Voltage (Vf Typ)	4.6V
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
MSL Rating	4 (72 Hours)

Substitute Part Grouping Explanation

Substitution of XRCWHT-L1-0000-00510 is determined by the following critical parameters:

Mechanical Compatibility: All substitute parts maintain identical package type (3529/9073 Metric), physical dimensions (9.00 mm × 7.00 mm), and maximum seated height (4.60 mm), ensuring PCB footprint and assembly compatibility.

Electrical Compatibility: Substitute parts operate at 350 mA test current with flux output of 59 lm (57–62 lm range) at 25°C, matching the original specification. Forward voltage ranges from 3.3V to 4.6V across the substitute group, which is acceptable for standard LED driver circuits designed for white LEDs in this power class.

Optical Compatibility: All parts maintain 90° viewing angle specification.

Regulatory Compliance: All substitute parts are RoHS Compliant and REACH Unaffected, matching the original part's compliance status.

Series Transition: Substitutes transition from XLamp® XR-C (obsolete) to XLamp® XR-E (active production), representing the manufacturer's current equivalent product line.

Parameter Comparison

Part Number	Series	Status	Vf (Typ)	Flux @ 25°C, 350mA	lm/W @ 350mA	Max Current	Thermal Resistance	Inventory
XRCWHT-L1-0000-00510	XLamp® XR-C	Obsolete	4.6V	59 lm (57–62)	48 lm/W	500 mA	12°C/W	1103 Pcs
XREWHT-L1-0000-00601	XLamp® XR-E	Active	3.3V	65 lm (62–67)	56 lm/W	1 A	8°C/W	1167 Pcs
XREWHT-L1-0000-005B6	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	700 mA	8°C/W	776 Pcs
XREWHT-L1-0000-005B7	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	700 mA	8°C/W	989 Pcs
XREWHT-L1-0000-005B8	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	700 mA	8°C/W	925 Pcs
XREWHT-L1-0000-005B9	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	700 mA	8°C/W	929 Pcs
XREWHT-L1-R250-005B6	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	—	8°C/W	707 Pcs
XREWHT-L1-R250-005B7	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	—	8°C/W	1048 Pcs
XREWHT-L1-R250-005B8	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	—	8°C/W	938 Pcs
XREWHT-L1-R250-005B9	XLamp® XR-E	Active	3.3V	59 lm (57–62)	51 lm/W	—	8°C/W	697 Pcs

Engineering Selection Recommendations

Primary Substitutes (Flux-Matched): Parts XREWHT-L1-0000-005B6, XREWHT-L1-0000-005B7, XREWHT-L1-0000-005B8, and XREWHT-L1-0000-005B9 deliver identical flux output (59 lm at 57–62 lm range) at 350 mA test current, providing direct electrical equivalence. These parts are active production items with RoHS compliance and improved thermal characteristics (8°C/W vs. 12°C/W).

Enhanced Performance Alternative: XREWHT-L1-0000-00601 offers higher flux output (65 lm at 62–67 lm range) and superior efficiency (56 lm/W vs. 48 lm/W), with extended maximum current rating (1 A vs. 500 mA). This part is suitable for applications where increased brightness or thermal headroom is beneficial.

Tape & Reel Variants: Parts with R250 designation (XREWHT-L1-R250-005B6 through XREWHT-L1-R250-005B9) are packaging variants of the standard equivalents, suitable for high-volume automated assembly processes.

All substitute parts maintain RoHS Compliant status and MSL 4 (72 Hours) rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can XREWHT-L1-0000-005B6 directly replace XRCWHT-L1-0000-00510 on existing PCBs?

A: Yes. Both parts use identical 3529 (9073 Metric) package with matching footprint dimensions (9.00 mm × 7.00 mm) and seated height (4.60 mm). Electrical parameters are compatible: 350 mA test current, 59 lm flux output, and forward voltage within standard LED driver tolerance (3.3V vs. 4.6V).

Q: What is the difference between standard and R250 packaging variants?

A: R250 variants (XREWHT-L1-R250-005B6 through XREWHT-L1-R250-005B9) are supplied in Tape & Reel format optimized for automated pick-and-place assembly. Electrical and optical specifications are identical to standard variants. Selection depends on assembly process requirements.

Q: Why does XREWHT-L1-0000-00601 show higher flux output?

A: XREWHT-L1-0000-00601 represents an enhanced variant within the XLamp® XR-E series, delivering 65 lm (62–67 lm range) versus 59 lm for other substitutes. This part is suitable for applications requiring increased luminous output while maintaining the same 350 mA test current and package compatibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are RoHS Compliant and REACH Unaffected, matching the regulatory status of the original XRCWHT-L1-0000-00510.

Q: What is the thermal advantage of XLamp® XR-E substitutes?

A: XLamp® XR-E parts feature 8°C/W thermal resistance compared to 12°C/W for the original XLamp® XR-C part, providing improved heat dissipation and enabling higher current operation (700 mA to 1 A vs. 500 mA maximum).

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