UV Enhanced Circular Photodetector: UVG5S
Source: Opto Diode, An ITW Company

The UVG5S photodiode features a 5 mm² circular active area with a welded cap and UV glass window and provides electron detection between 225nm - 400nm.
Like other products in Opto Diode’s UVG product family, the UVG5S features superior UV response with 100% internal quantum efficiency. Download the datasheet for additional product details.