Si photodiode array
The S12859-021 is a back-illuminated type 16-element photodiode array specifically designed for non-destructive X-ray inspection. It is modified versions of our previous products (S11212 series: 1.575 mm pitch). The pitch has been changed to 1.17 mm. The back-illuminated photodiode array is also simple to handle and easily couples to scintillators without having to worry about wire damage because there are no bonding wires and photosensitive areas on the back side.
The chip of this product is not sealed and is exposed. Parts such as electrodes on the chip are not protected by an enclosure or window and so require especially strict care during handling compared to ordinary products.
Before using this product, always read “Precautions / Unsealed products” described below.
|Element size (per 1 element)||0.77 × 2.5 mm|
|Number of elements||16|
|Spectral response range||340 to 1100 nm|
|Peak sensitivity wavelength (typ.)||920 nm|
|Photosensitivity (typ.)||0.61 A/W|
|Dark current (max.)||30 pA|
|Rise time (typ.)||6.5 μs|
|Terminal capacitance (typ.)||30 pF|
|Note||This photodiode array as it is does not function as an X-ray detector. An appropriate scintillator or phosphor sheet should be added at user’s side.|
|Measurement condition||Ta=25 ℃, per element, Photosensitivity: λ=λp|
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