Photodiodes for Radon Detection

The Excelitas VTH21 Series of photodiodes are offered in chip form for optimal alpha particle detection such as radon gas detection applications. Featuring a robust chip design, these low capacitance silicon photodiodes provide high responsivity to radiation of interest. These photodiodes are available in both a 5x5mm and 10x10 mm large active area for maximum detection of low level radiation and a spectral response between 400 nm and 1100 nm.

VTH21 Series - Si PD, Chip Form

Product List

VTH21 Si PD, Chip Form Series
Part Number
VTH2110

VTH2110 - Si PD, chip form, 25 mm2

The VTH2110 is a silicon photodiode offered in chip form for optimal alpha particle detection, such as radon gas detection applications. This photodiode provides an enhanced response to radiation of interest, with a radiation robust chip design and a large active area of 5x5mm.
VTH21 Si PD, Chip Form Series
Part Number
VTH2120

VTH2120 - Si PD, chip form, 100 mm2

The VTH2120 is a silicon photodiode offered in chip form for optimal alpha particle detection, such as radon gas detection applications. This photodiode provides an enhanced response to radiation of interest, with a radiation robust chip design and a large active area of 10x10mm.