Lumileds LUXEON UV FC Line High-Radiant Density Flip-Chip UV LEDs (365nm - 405nm)

Lumileds LUXEON UV FC Line High-Radiant Density Flip-Chip UV LEDs (365nm - 405nm)

* Manufacturer: Lumileds (LUXEON UV FC Series)
* Technology: FlipChip (No wire bonds) for extreme reliability.
* Wavelengths: 365nm, 385nm, 395nm, 405nm (UVA Portfolio).
* Dimensions: Ultra-compact 1.0 mm x 1.0 mm (CSP-style).
* Irradiance: Exceptional radiant flux density for high-power arrays.
* Thermal Path: Direct-attach thermal interface for ultra-low resistance.
* Target Market: Industrial ink curing, 3D printing, and medical sensors.
* Supply Status: Bulk Tape & Reel in stock; Full batch traceability at Gainer LED.

Description

Introduction

 

 

The Lumileds LUXEON UV FC Line is an advanced ultraviolet solution engineered for manufacturers who require intense radiant power and uncompromised thermal reliability in the smallest possible footprint. Utilizing Lumileds' proprietary Flip-Chip architecture, this series eliminates the traditional gold wire bonds, which are common failure points in standard high-power LEDs. This un-domed, Chip Scale Package (CSP) allows LED module manufacturers to achieve the highest packing density on the PCB, facilitating the creation of narrow-beam, high-irradiance curing bars and precision scientific instruments.

 

For luminaire designers and distributors, the LUXEON UV FC Line provides a tactical advantage in optical etendue. Its flat-top emission surface minimizes the light source size, enabling superior coupling with secondary reflectors or specialized UV-grade silicone lenses.

Key Product Features

 

 

  • Flip-Chip Reliability (No Wire Bonds): The direct-attach design significantly reduces mechanical and thermal failure risks. For contract manufacturers (EMS), this means higher production yields and longer service life for finished industrial fixtures.
  • Exceptional Radiant Density: Capable of delivering high milliwatts per square millimeter, the FC Line facilitates faster cycle times in UV ink curing and high-speed 3D printing (SLA/DLP).
  • Precise Spectral Binning: Lumileds maintains strict control over spectral purity across the UVA range (365nm–420nm). This ensures that fixture manufacturers can deliver consistent curing performance across large-scale arrays.
  • Ultra-Low Thermal Resistance: The specialized package facilitates rapid heat transfer directly from the junction to the solder point. This stability protects the chip during continuous high-current operation, preserving the L70 lifespan in enclosed industrial housings.
  • Standardized SMT Footprint: The 1.0 mm x 1.0 mm package is optimized for high-speed automated pick-and-place lines, enabling manufacturers to build high-density multi-die arrays with standard production equipment.

 

Parameter Performance Specification
Footprint Dimensions 1.0 mm x 1.0 mm x 0.3 mm
Peak Wavelength Options 365nm, 385nm, 395nm, 405nm, 420nm
Typical Forward Voltage 3.1 V – 3.3 V (@ 500mA)
Maximum Drive Current 1000 mA (1.0 A)
Typical Radiant Flux ~500 mW - 600 mW (@ 500mA, 25°C)
Thermal Resistance Optimized for CSP (Direct Thermal Path)
Viewing Angle 120° (Lambertian Distribution)

The LUXEON UV FC series is a staple light source for performance-driven markets:

 

 

  • Industrial UV Curing: Precision light bars for high-speed ink drying, coatings, and specialized adhesives in electronics assembly.
  • 3D Printing (Additive Manufacturing): Reliable 405nm sources for resin-based SLA and DLP printers where uniform irradiance is mandatory.
  • Medical & Analytical Instrumentation: Consistent UV sources for fluorescence-based diagnostics, blood analysis, and laboratory spectrometers.
  • Forensic & Authentication: High-intensity 365nm emitters for counterfeit detection and forensic fluid analysis.

Why Source through Gainer LED?

 

 

  • In the specialized UV semiconductor distribution landscape, Gainer LED bridges the gap between Lumileds' primary manufacturing and your localized assembly needs.
  • Verified Batch Integrity: We guarantee 100% original stock in factory-sealed reels. For critical curing applications, we coordinate shipments from consistent binning groups across your entire order.
  • Strategic Wholesale Inventory: We maintain stock of high-demand UV wavelengths (specifically 365nm and 395nm) to protect our B2B partners from lead-time fluctuations.
  • Technical Compliance: All components meet RoHS and REACH standards. We manage full batch traceability and documentation for international shipping.
FAQ

Q: What is the main advantage of "Flip-Chip" for UV applications?

A: Traditional LEDs use gold wires to connect the chip. High-energy UV light can sometimes degrade the materials surrounding these wires. By using a Flip-Chip (FC) design, Lumileds removes the wires entirely, improving thermal transfer and eliminating a common mechanical failure point.

Q: Is a DTP (Direct Thermal Path) PCB required for LUXEON UV FC?

A: For high-density arrays driven above 500mA, we strongly recommend a Copper MCPCB with a DTP design. This is the only way to effectively utilize the FC architecture's low thermal resistance and prevent spectral shift.

Q: Can Gainer LED provide wavelength-specific binning?

A: Yes. We understand that for UV curing, a shift of even 5nm can affect the polymerization rate. We coordinate shipments from consistent wavelength ranks to ensure your fixtures perform predictably.

Q: How do these LEDs handle automated SMT assembly?

A: The LUXEON UV FC Line is designed for automated assembly. However, due to the micro-compact size, we recommend high-precision nozzle centering and a specific reflow profile to ensure 100% solder coverage on the thermal pad.

 

LUXEON UV FC1 product performance at 500mA and 1000mA, Tj=25°C.

Peak Wavelength (nm) Typical Radiometric Power
(mW)
Part Number
500mA 1000mA
410-420 750 1417 L1F3-U410100007001
400-410 750 1417 L1F3-U400100007001
390-400 650 1228 L1F3-U390100005001
650 1228 L1F3-U390100007001
380-390 450 850 L1F3-U380100002001
450 850 L1F3-U380100004001

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