Broadcom, AFBR-S4N44P044M Visible Light 4-Element Photomultiplier, 420nm, Surface Mount 2 x 2 mm package

The Broadcom 2 x 2 silicon photo multiplier array used for ultra-sensitive precision measurements of single photons. This SiPM is based on the NUV-MT technology, which combines improved photo-detection efficiency (PDE) with decreased dark count rate and reduced crosstalk compared to the NUV-HD technology.

Excellent SPTR and CRT
Excellent uniformity of breakdown voltage
Excellent uniformity of gain
Highly transparent epoxy protection layer
RoHS, CFM and REACH compliant