XRCWHT-L1-0000-009E5 Equivalent & Substitute Parts

Part Overview

The XRCWHT-L1-0000-009E5 is a CreeLED XLamp® XR-C neutral white LED (4000K) in 3529 surface mount package. This part is classified as obsolete, making identification of compatible substitutes essential for ongoing production and maintenance applications. The XLamp® XR-C series has been superseded by the XLamp® XR-E series, which maintains electrical and mechanical compatibility while offering improved performance characteristics and active product status.

Key Parameters

Parameter	Value
Color / CCT	White, Neutral 4000K
Forward Voltage (Typ)	4.6V
Test Current	350mA
Luminous Flux @ 25°C	84lm (81lm ~ 87lm)
Lumens/Watt	69 lm/W
CRI (Color Rendering Index)	75 (Typ)
Viewing Angle	90°
Package / Case	3529 (9073 Metric)
Mounting Type	Surface Mount
Size	0.354" L x 0.276" W (9.00mm x 7.00mm)
Height - Seated (Max)	0.181" (4.60mm)
RoHS Status	RoHS Compliant
MSL Rating	4 (72 Hours)

Substitute Part Grouping Explanation

Substitution of the XRCWHT-L1-0000-009E5 is based on the following critical parameters that must remain constant or compatible:

Color and CCT: Neutral white 4000K (identical across all substitutes)
Luminous Flux @ 25°C: 84lm nominal (81lm ~ 87lm range maintained)
Test Current: 350mA (standard operating condition)
CRI: 75 (Typ) (color rendering consistency)
Viewing Angle: 90° (optical characteristics)
Package / Case: 3529 (9073 Metric) (mechanical and thermal interface)
Mounting Type: Surface Mount (PCB assembly compatibility)
Physical Dimensions: 0.354" L x 0.276" W, 0.181" max height (board layout compatibility)
Compliance: RoHS Compliant, MSL 4 (environmental and handling requirements)

The two substitute parts listed (XREWHT-L1-0000-009E5 and XREWHT-L1-R250-009E5) are both from the XLamp® XR-E series and meet all substitution criteria. Both parts are currently in active product status, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Parameter	XRCWHT-L1-0000-009E5 (Main)	XREWHT-L1-0000-009E5 (Substitute)	XREWHT-L1-R250-009E5 (Substitute)
Series	XLamp® XR-C	XLamp® XR-E	XLamp® XR-E
Product Status	Obsolete	Active	Active
Color / CCT	White, Neutral 4000K	White, Neutral 4000K	White, Neutral 4000K
Forward Voltage (Typ)	4.6V	3.3V	3.3V
Test Current	350mA	350mA	350mA
Luminous Flux @ 25°C	84lm (81lm ~ 87lm)	84lm (81lm ~ 87lm)	84lm (81lm ~ 87lm)
Lumens/Watt	69 lm/W	73 lm/W	73 lm/W
CRI (Color Rendering Index)	75 (Typ)	75 (Typ)	75 (Typ)
Current - Max	500mA	700mA	700mA
Viewing Angle	90°	90°	90°
Package / Case	3529 (9073 Metric)	3529 (9073 Metric)	3529 (9073 Metric)
Size	0.354" L x 0.276" W (9.00mm x 7.00mm)	0.354" L x 0.276" W (9.00mm x 7.00mm)	0.354" L x 0.276" W (9.00mm x 7.00mm)
Height - Seated (Max)	0.181" (4.60mm)	0.181" (4.60mm)	0.181" (4.60mm)
Thermal Resistance	12°C/W	8°C/W	8°C/W
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant
MSL Rating	4 (72 Hours)	4 (72 Hours)	4 (72 Hours)
Packaging	Bulk	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

Both XREWHT-L1-0000-009E5 and XREWHT-L1-R250-009E5 are suitable substitutes for the obsolete XRCWHT-L1-0000-009E5. Selection between the two XLamp® XR-E variants depends on packaging requirements:

XREWHT-L1-0000-009E5: Tape & Reel packaging, 779 units in stock
XREWHT-L1-R250-009E5: Tape & Reel packaging, 997 units in stock

Both substitutes maintain RoHS compliance and MSL 4 rating, ensuring regulatory and handling compatibility. The XLamp® XR-E series offers improved thermal performance (8°C/W vs. 12°C/W) and higher maximum current rating (700mA vs. 500mA), providing enhanced operational margin. Forward voltage is reduced from 4.6V to 3.3V, which may require circuit evaluation in current-limited designs.

Frequently Asked Questions (FAQ)

Q: Can XREWHT-L1-0000-009E5 and XREWHT-L1-R250-009E5 be used interchangeably?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format (both are Tape & Reel). Selection depends on procurement and assembly line requirements.

Q: What is the impact of the forward voltage difference (4.6V vs. 3.3V)?

A: The XLamp® XR-E substitutes operate at 3.3V typical, compared to 4.6V for the XR-C. In constant-current driver circuits, this 0.2V reduction has minimal impact. In voltage-regulated circuits, verify that the lower forward voltage does not cause excessive current draw or require resistor adjustment.

Q: Are the substitute parts mechanically compatible with existing PCB layouts?

A: Yes. Both XREWHT substitutes use the identical 3529 (9073 Metric) package with matching dimensions (0.354" L x 0.276" W, 0.181" max height). No PCB redesign is required.

Q: Why is thermal resistance lower in the XLamp® XR-E series?

A: The XR-E series incorporates improved thermal interface design (8°C/W vs. 12°C/W). This provides better heat dissipation and allows higher maximum current operation (700mA vs. 500mA), extending operational headroom.

Q: Are there any compliance or certification differences?

A: No. Both the main part and substitutes are RoHS Compliant with MSL 4 rating. REACH and ECCN classifications are identical.

Q: What is the difference between the two substitute part numbers?

A: XREWHT-L1-0000-009E5 and XREWHT-L1-R250-009E5 are both XLamp® XR-E variants in Tape & Reel packaging. The difference in part number suffix (0000 vs. R250) reflects internal CreeLED product line designation. Electrical and mechanical specifications are identical.

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