Name: DOWA Ultraviolet LED Diode TO18 - yoyo-uv.com
SKU: xFxVL-1H211
Price: 66.00 USD
Availability: InStock

DOWA UV Multi Wavelength Diode

xFxVL-1H211 Series is a multi-wavelength DOWA ultraviolet led diode with wavelengths of 310nm, 325nm and 340nm. This makes the UV diode available to optoelectronics engineers for use in optical testing, sensing, spectroscopy, fluorescence excitation and analytical instruments.

UV Diode in TO18 Hemispherical Lens Housing

This ultra violet led diode has a TO18 housing with a hemispherical lens and φ9mm TO diameter. The metal-can type design ensures that this UV LED diode has stable mechanical integration in optical fixtures, test modules, lab instruments and OEM UV light source assemblies.

View Angle of 24 Degrees

This UV LED diode offers a view angle of 24 degrees. This allows more targeted emission of light compared to wide angle UV diodes although the coverage is practical for compact optical paths.

Operation at 40 mA Current and Wavelength Choices

This series operates at 40mA current. Radiant flux is 1.2mW at 310nm, 1.5mW at 325nm, and 1.3mW at 340nm. This allows designers to choose from several wavelengths at defined electrical and optical performance values for low power UV applications.

Designed as an OEM Component

This ultraviolet led diode is a component-level product used in OEM equipment and not a finished lamp product. It is suitable for integration in spectroscopic, fluorescence analysis, chemical detection, biological analysis instruments, sensors and UV inspection equipment.

ultraviolet led diode 310nm 325nm 340nm

Product Details Description

The xFxVL-1H211 is a DOWA ultraviolet led diode series designed for professional optical, sensing, and analytical instruments. There are three wavelength options – 310nm, 325nm, and 340nm – allowing selecting the desired UV output band depending on the targeted material, detection system, measuring methods, and device configuration.

This ultraviolet led diode operates in a TO18 package with a hemi lens and φ9mm TO diameter. The package type is well suited for compact instrument designs with a stable through-hole UV diode as opposed to loose chip emitters or more complex UV lamp design. The 24° view angle is useful for controlling the UV output in a specific optical area and it can be used in small chambers, sample holders, detector paths, etc.

The 310nm version has 1.2mW radiant flux at 5V, the 325nm version has 1.5mW radiant flux at 4.5V, and the 340nm version has 1.3mW radiant flux at 4V. All versions operate at 40mA. The series can be applied in applications requiring selected ultraviolet wavelengths with low current operation.

For spectroscopy and fluorescence, this ultraviolet led diode can serve as the excitation source in lab instruments, material testing systems, inspection devices, and compact analysis modules. For chemical and biological analysis, there are 310nm, 325nm, and 340nm versions allowing using the appropriate wavelength depending on the specific case. Finally, the actual performance of the ultraviolet led diode must be verified in the entire system taking into account optical filters, driver current, working distance, detector sensitivity, thermal path, and calibration method.

This product must be positioned as a precision UV LED component and not as a general black light, UV strip, high-power curing lamp, or disinfection light source. Proper positioning will help engineers and buyers realize that this product is specifically designed for the purpose of selected UV output in OEM instruments and optical assemblies.

For reliable work, a suitable current-controlled driver should be used. The performance of UV LED can be affected by heat, reverse voltage, mechanical impact, soldering conditions, lens contamination, and optical alignment. In the course of product development, engineers should verify the radiant output and temperature performance of the ultraviolet led diode inside the final device structure.

This product emits ultraviolet radiation. Do not look directly at the working diode and do not expose skin or eyes to UV radiation. Use protective eyewear, shielding, warning labels, and controlled testing procedures in the course of evaluation, assembling, and work with the product.

Specifications

Brand: DOWA
Model NO.: xFxVL-1H211
Wavelength: 310nm / 325nm / 340nm
TO Type: TO18
Radiant Flux: 1.2mW at 310nm / 1.5mW at 325nm / 1.3mW at 340nm
Voltage: 5V at 310nm / 4.5V at 325nm / 4V at 340nm
Current: 40mA
View Angle: 24°
Lens Type: Hemi
TO Diameter: φ9mm

FAQ

What is this ultraviolet led diode used for?

This ultraviolet led diode can be used as a compact UV light source in spectroscopy, fluorescence excitation, optical sensing, chemical and biological analysis, inspection instruments, and OEM optical modules.

Is this a DOWA UV LED diode?

Yes. This product is the DOWA xFxVL-1H211 ultraviolet LED diode series in TO18 package.

What wavelength options are available?

The available wavelength options are 310nm, 325nm, and 340nm.

What is the radiant flux of each wavelength?

Radiant flux is 1.2mW at 310nm, 1.5mW at 325nm, and 1.3mW at 340nm.

What voltage does the diode use?

The voltage is 5V at 310nm, 4.5V at 325nm, and 4V at 340nm.

What is the operating current?

The operating current is 40mA.

What package does this product use?

It uses TO18 package with a hemi lens and φ9mm TO diameter.

What is the view angle?

The view angle is 24° which allows controlling the UV output in a compact optical path.

Can it be used for UV curing?

It can be used for selected low-power material response or UV curing tests if the target material responds to 310nm, 325nm, or 340nm. It is not a high-power curing lamp.

Can it be used for sterilization?

This product should not be used for sterilization or disinfection light source. It is better positioned for spectroscopy, sensing, fluorescence excitation, and analysis equipment.