The best alternative identified is NCD0603B1. It is a blue 0603 LED with very similar brightness, forward voltage, and wavelength. You should verify if its -30°C minimum operating temperature is acceptable for your design.
Best Alternatives to XL-1608UBC-06A
Finding a substitute for the XL-1608UBC-06A blue 0603 LED involves matching its package, color, brightness, and electrical specs. Several functional alternatives exist, with the primary check being on operating temperature and luminous intensity.
AI replacement insight
Electrical risklow
Forward voltage and current ratings are compatible.
Package risklow
All viable candidates share the same 0603 package.
Sourcing riskmedium
Candidates are from different manufacturers, which may have different supply chain characteristics.
Can it be replaced directly?
No verified direct drop-in replacement has been identified. However, NCD0603B1 is a strong candidate that matches the package, color, brightness, and forward voltage, requiring only a check on the minimum operating temperature.
Best replacement path
NCD0603B1 is a strong functional alternative, matching key electrical and physical parameters. The only minor difference is a slightly narrower operating temperature range that should be verified against application requirements.
Main risk
The primary risks are minor variations in optical performance (brightness, exact hue) and ensuring the substitute's operating temperature range is sufficient for the application.
Recommended alternatives
Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.
Alternative comparison matrix
| Feature / factor | XL-1608UBC-06A | NCD0603B1 | NCD0603B4 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) — Package size matches.; NCD0603B4: Package size matches. | |
| Color | Blue | Blue | Blue | Blue — Color matches.; NCD0603B4: Color matches. | |
| Wavelength | 465 nm | 468 nm | - | 468 nm — Wavelength is very similar. | |
| Luminous Intensity | 80 - 300 mcd | 120 mcd | 50 mcd | 120 mcd / 50 mcd — Intensity is within target range.; NCD0603B4: Significantly dimmer than the target's minimum. | |
| Forward Voltage | 2.6 - 3.4 V | 3.0 V | 2.8 V | 3.0 V / 2.8 V — Forward voltage is within target range.; NCD0603B4: Forward voltage is within target range. | |
| Temperature | -40°C to +85°C | -30°C to +85°C | -30°C to +85°C | -30°C to +85°C — Slightly narrower operating temperature range.; NCD0603B4: Slightly narrower operating temperature range. |