16-element Si photodiode array S12858-122

Datasheet [1 MB/PDF]

The S12858-122 is a back-illuminated type 16-element photodiode array specifically designed for non-destructive X-ray inspection. It is modified ed 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.

-Element size: 0.77 (W) × 2.5 (H) mm/one element
-Element pitch: 1.17 mm ( × 16 pixels)
-Mounted on board size: 19.0 (W) × 10.2 (H) mm
-Long and narrow format by multiple arrays
-Suppports dual energy imaging (When used in an upper and lower two-layer combination.)


Element size (per 1 element) 0.77 × 2.5 mm
Number of elements 16
Package Glass epoxy
Package category With scintillator
Scintillator type CsI(Tl)
Cooling Non-cooled
Dark current (max.) 30 pA
Rise time (typ.) 6.5 μs
Terminal capacitance (typ.) 30 pF
Measurement condition Ta=25 ℃, per element

Dimensional outline (unit: mm)


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