Description
CBT-39-UV LEDs
Luminus LED benefit from innovations in device technology, chip packaging and thermal management. This suite of technologies give engineers and system designers the freedom to develop solutions both high in power and efficiency.
Features
• Chip area 1:1.1 aspect ratio: matched to TI’s 0.55″ XGA DLP for 3D printing applications
• Low thermal resistance package, Rth, j-c = 1.6°C/W
• Typical peak wavelength 405 nm
• 6.6W typical optical power
• Operation at up to 6A DC
• Low-profile window for efficient coupling into optical systems of fibers
• RoHS and REACh compliant
Applications
• 3D Printing
• Fluorescence imaging
• Ink and adhesives curing
• Spot curing
• Machine vision
• Medical and scientific instrumentation
CBT-39-UV Binning Structure
CBT-39-UV LEDs are specified for radiomentric flux and peak wavelength at a drive current of 6 A (1.54 A/mm2) and placed into one of the following Power Binsand Wavelength Bins:
CBT-39-UV Ordering Information
| Ordering Part Number2 | Color | Description |
| CBT-39-UV-C32-DA400-22 | UV | CBT-39 -UV consisting of a 3.9 mm2 LED, with a minimum power of 4W, a
wavelength range from 400nm to 410nm, a thermistor, a connector, a window and a copper-core PCB. |
Reference Optical & Electrical Characteristics (Ths = 40°C)1,2
| UV | |||
| Wavelength | 405 nm | ||
| Parameter | Symbol | Values3 | Unit |
| Test Current Density4 | j | 1.54 | A/mm2 |
| Forward Voltage | VF min | 3.0 | V |
| VF | 3.5 | V | |
| VF max | 4.2 | V | |
| Radiometric Flux5 | Φtyp | 6.6 | Ω |
| Radiometric Flux Density | ΦR | 1.41 | W/mm2 |
| Wavelength Range | λ | 400 – 410 | nm |
| Centroid Wavelength | λp | 405 | nm |
| FWHM | Δλ 1/2 | 15 | nm |
| Symbol | Value | Unit | |
| Emitting Area | 3.9 | mm2 | |
| Emitting Area Dimensions | 1.87 x 2.09 | mm × mm | |
| Dynamic Resistance | Ωdyn | 0.02 | Ω |
Absolute Maximum Ratings
| Symbol | Value | Unit | |
| Minimum Drive Current8 | 0.2 | A | |
| Maximum Current CW6 | 6 | A | |
| Maximum Current Pulsed6 | 9.75 | A | |
| Maximum Junction Temperature7 | Tjmax | 150 | °C |
| Storage Temperature Range | -40 to +100 | °C |









