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XPEHEW-01-0000-00FF4 Equivalent & Substitute Parts
Part Overview
The XPEHEW-01-0000-00FF4 is a CreeLED XLamp® XP-E HEW neutral white LED (4750K) in 1414 (3535 Metric) surface mount package. This part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity. The part delivers 126 lm at 350mA with 120° viewing angle and 3V forward voltage, suitable for general lighting applications requiring neutral white color temperature.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | XPEHEW-01-0000-00FF4 |
| Manufacturer | CreeLED, Inc. |
| Series | XLamp® XP-E HEW |
| Product Status | Obsolete |
| Color | White, Neutral |
| CCT (K) | 4750K |
| Flux @ 25°C, 350mA | 126 lm (122–130 lm range) |
| Current - Test | 350mA |
| Voltage - Forward (Vf) Typ | 3V |
| Lumens/Watt @ 350mA | 120 lm/W |
| CRI (Color Rendering Index) | 70 (Typ) |
| Current - Max | 1A |
| Viewing Angle | 120° |
| Mounting Type | Surface Mount |
| Package / Case | 1414 (3535 Metric) |
| Size / Dimension | 0.136" L × 0.136" W (3.45mm × 3.45mm) |
| Height - Seated (Max) | 0.087" (2.21mm) |
| Thermal Resistance of Package | 6°C/W |
| CRI | 70 (Typ) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
- Color Temperature (CCT): 4750K neutral white
- Flux Output: 126 lm at 350mA test current (122–130 lm acceptable range)
- Test Current: 350mA
- Forward Voltage (Vf): 3V nominal (tolerance range acceptable)
- CRI: 70 (Typ)
- Package: 1414 (3535 Metric) surface mount
- Viewing Angle: 120° or compatible (115° acceptable for most applications)
- Mounting Type: Surface Mount
Substitute parts are grouped into two categories:
Category 1: Direct Series Equivalents (XLamp® XP-E Series) Parts from the active XLamp® XP-E series with matching 4750K color temperature, 126 lm output, 350mA test current, and compatible electrical/mechanical parameters.
Category 2: Alternative Series Equivalent (XLamp® XT-E Series) The XTeawt-00-0000-00000BFD1 from the XLamp® XT-E series meets flux and color temperature requirements with minor electrical variations (2.85V vs. 3V, 115° vs. 120° viewing angle).
Category 3: Parametric Equivalents (XLamp® XP-C Series) The XPCWHT-L1-0000-00FF4 from the XLamp® XP-C series matches electrical and optical parameters with identical 3V forward voltage and 120° viewing angle.
Parameter Comparison
| Parameter | XPEHEW-01-0000-00FF4 (Main) | XTEAWT-00-0000-00000BFD1 | XPCWHT-L1-0000-00FF4 | XPEWHT-01-0000-00FD1 | XPEWHT-01-0000-00FD2 | XPEWHT-01-R250-00FD1 | XPEWHT-01-R250-00FD2 |
|---|---|---|---|---|---|---|---|
| Series | XLamp® XP-E HEW | XLamp® XT-E | XLamp® XP-C | XLamp® XP-E | XLamp® XP-E | XLamp® XP-E | XLamp® XP-E |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Color | White, Neutral | White, Neutral | White, Neutral | White, Neutral | White, Neutral | White, Neutral | White, Neutral |
| CCT (K) | 4750K | 4750K | 4750K | 4750K | 4500K | 4750K | 4500K |
| Flux @ 25°C, 350mA | 126 lm | 126 lm | 126 lm | 126 lm | 126 lm | 126 lm | 126 lm |
| Current - Test | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA | 350mA |
| Voltage - Forward (Vf) Typ | 3V | 2.85V | 3V | 3.05V | 3.05V | 3.05V | 3.05V |
| Lumens/Watt @ 350mA | 120 lm/W | 126 lm/W | 120 lm/W | 118 lm/W | 118 lm/W | 118 lm/W | 118 lm/W |
| CRI (Color Rendering Index) | 70 (Typ) | 70 | 70 (Typ) | 70 (Typ) | 70 (Typ) | 70 (Typ) | 70 (Typ) |
| Current - Max | 1A | 1.5A | 500mA | 1A | 1A | 1A | 1A |
| Viewing Angle | 120° | 115° | 120° | 115° | 115° | 115° | 115° |
| Package / Case | 1414 (3535 Metric) | 1414 (3535 Metric) | 1414 (3535 Metric) | 1414 (3535 Metric) | 1414 (3535 Metric) | 1414 (3535 Metric) | 1414 (3535 Metric) |
| Height - Seated (Max) | 0.087" (2.21mm) | 0.100" (2.54mm) | 0.084" (2.13mm) | 0.084" (2.13mm) | 0.084" (2.13mm) | 0.084" (2.13mm) | 0.084" (2.13mm) |
| Thermal Resistance of Package | 6°C/W | 5°C/W | 8°C/W | 9°C/W | 9°C/W | 9°C/W | 9°C/W |
| RoHS Status | — | RoHS Compliant | — | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| Packaging | — | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
Engineering Selection Recommendations
Primary Recommendation: XPEWHT-01-0000-00FD1
The XPEWHT-01-0000-00FD1 is the closest functional equivalent. It is from the active XLamp® XP-E series with identical 4750K color temperature, 126 lm output at 350mA, and matching 70 CRI. Forward voltage is 3.05V (0.05V above the main part's 3V nominal), which is within acceptable tolerance for most circuit designs. Viewing angle is 115° versus the main part's 120°, a minor optical difference suitable for general lighting applications. RoHS compliance and active product status ensure long-term availability and supply chain stability.
Secondary Recommendation: XPCWHT-L1-0000-00FF4
The XPCWHT-L1-0000-00FF4 from the XLamp® XP-C series provides identical electrical parameters (3V forward voltage, 120° viewing angle) and matching flux output. This part is active and offers superior thermal performance (8°C/W vs. 6°C/W of the main part). Maximum current rating is 500mA, which is lower than the main part's 1A maximum, requiring circuit verification for applications exceeding 500mA operation.
Alternative Recommendation: XTEAWT-00-0000-00000BFD1
The XTEAWT-00-0000-00000BFD1 from the XLamp® XT-E series meets flux and color temperature requirements with active product status and RoHS compliance. Forward voltage is 2.85V (0.15V below the main part), and viewing angle is 115°. This part offers superior thermal performance (5°C/W) and higher maximum current rating (1.5A). Circuit design must accommodate the lower forward voltage.
Color Temperature Variants Available
For applications requiring 4500K or 4300K color temperature, the following active XLamp® XP-E parts are available with identical flux, current, and package specifications:
- XPEWHT-01-0000-00FC2 (4500K)
- XPEWHT-01-0000-00FC3 (4300K)
- XPEWHT-01-R250-00FC2 (4500K, Tape & Reel)
- XPEWHT-01-R250-00FC3 (4300K, Tape & Reel)
Frequently Asked Questions (FAQ)
Q: Can XPEWHT-01-0000-00FD1 be used as a direct drop-in replacement for XPEHEW-01-0000-00FF4?
A: Yes, with circuit verification. The forward voltage difference (3.05V vs. 3V) is 0.05V, which is within typical design tolerance. Verify that the LED driver or current source can accommodate this voltage variation. Optical performance (flux, color temperature, CRI) is identical.
Q: What is the significance of the 115° versus 120° viewing angle difference?
A: Viewing angle defines the cone of light distribution. The 120° angle of the main part provides slightly wider light distribution than the 115° of most substitutes. For applications requiring precise beam control or narrow distribution, the 5° difference may be significant. For general diffuse lighting, this difference is negligible.
Q: Why does XPCWHT-L1-0000-00FF4 have a lower maximum current rating (500mA vs. 1A)?
A: The XLamp® XP-C series is a different product line with different die and package design. The 500mA maximum rating reflects the thermal and electrical characteristics of that specific series. Applications operating at 350mA test current are unaffected. Designs requiring operation above 500mA must use alternative parts.
Q: Are all substitute parts RoHS compliant?
A: XTEAWT-00-0000-00000BFD1, XPEWHT-01-0000-00FD1, XPEWHT-01-0000-00FD2, and all XPEWHT-01-R250 variants are RoHS compliant. The main part (XPEHEW-01-0000-00FF4) and XPCWHT-L1-0000-00FF4 do not specify RoHS status in the provided data.
Q: What is the difference between XPEWHT-01-0000-00FD1 and XPEWHT-01-R250-00FD1?
A: Both parts are electrically and optically identical. The "-R250" designation indicates packaging in Tape & Reel format with 250-unit reels, while the standard variant uses standard Tape & Reel packaging. Select based on production volume and handling requirements.
Q: Can I use XTEAWT-00-0000-00000BFD1 if my circuit is designed for 3V forward voltage?
A: The 2.85V forward voltage of XTEAWT-00-0000-00000BFD1 is 0.15V lower than the 3V design point. This requires circuit analysis. If the LED driver uses constant current regulation, the voltage difference is absorbed by the driver and does not affect LED operation. If the circuit uses series resistors or voltage-dependent current limiting, recalculation is necessary to ensure proper current delivery.
Q: What thermal considerations apply when substituting these parts?
A: The main part has 6°C/W thermal resistance. XTEAWT-00-0000-00000BFD1 offers superior thermal performance (5°C/W), while XPEWHT variants have higher thermal resistance (9°C/W). For applications with thermal constraints, XTEAWT-00-0000-00000BFD1 provides better heat dissipation. For XPEWHT variants, verify that thermal design accommodates the higher junction temperature rise.
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