Broadcom AFBR-S4N44P164M

The Broadcom AFBR-S4N44P164M is a 4×4 silicon photomultiplier (SiPM) array designed for ultra-sensitive precision measurement of single photons. This SiPM is based on NUV-MT technology, which combines higher photon detection efficiency (PDE), lower dark count rate, and lower crosstalk compared to NUV-HD technology. The SiPM pitch is 4mm in both directions. By tiling multiple AFBR-S4N44P164M arrays, larger areas can be covered with a 16mm pitch and virtually no edge losses. For good mechanical stability and robustness, the device is packaged in an epoxy clear molding compound featuring high transparency at UV wavelengths, broad response across the visible spectrum, and high sensitivity in the blue and near-UV regions of the spectrum. The array is best suited for detecting low-level pulsed light sources, particularly Cherenkov or scintillation light emitted by the most common organic (plastic) and inorganic scintillator materials such as LSO, LYSO, BGO, NaI, CsI, BaF, and LaBr₃. The product is lead-free and RoHS compliant.

• 4×4 SiPM array
• Array size: 16.00mm × 16.00mm
• High PDE of 63% at 420nm
• Excellent single photon time resolution (SPTR) and coincidence resolving time (CRT)
• Excellent breakdown voltage uniformity
• Excellent gain uniformity
• Four-side tileable with high fill factor
• Cell pitch: 40μm
• Highly transparent epoxy protection layer
• Operating temperature range: -20°C to +50°C
• RoHS, CFM, and REACH compliant

X-ray and gamma-ray detection, nuclear medicine, positron emission tomography, safety and security, physics experiments, Cherenkov light detection