MPPC array


One-dimensional 128 ch array, Pixel pitch: 57.5 × 62.5 μm


The S13552 is a one-dimensional 128-element MPPC array. This is used by the SciFi (scintillating fiber) tracker in LHCb (Large Hadron Collider beauty experiment), one of detectors located at the LHC of CERN (European Organization for Nuclear Research).

-Low crosstalk
-Low afterpulses
-Low voltage (VBR=53 V typ.) operation


Package type Surface mount type
Number of channels 128 (1 × 64, 2 chips) ch
Effective photosensitive area / ch 0.23 × 1.625 mm
Number of pixels /ch 104
Pixel size 57.5 × 62.5 μm
Spectral response range 320 to 900 nm
Peak sensitivity wavelength (typ.) 450 nm
Dark count/ch (typ.) 60 kcps
Terminal capacitance/ch (typ.) 320 pF
Gain (typ.) 3.0×106
Measurement condition Ta=25 ℃, Dark count rate: VR=Vop, Terminal capacitance: VR=Vop, f=100 kHz, Gain: VR=Vop, unless otherwise noted

Dimensional outline (unit: mm)

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