The S16453 series is a Si APD that has significantly higher sensitivity at short wavelength than previous product (S8664 series). (There are products that are slower than previous products. See the S8664 series datasheet.)
Features
-High sensitivity at short wavelength QE: 90% (λ=420 nm)
-Low noise
-High gain
• Type : Short wavelength type
• Photosensitive area : φ1.0 mm
• Package : Metal
• Package Category : TO-5
• Peak sensitivity wavelength (typ.) : 550 nm
• Spectral response range : 320 to 1000 nm
• Photosensitivity (typ.) : 0.3 A/W
• Dark current (max.) : 3 nA
• Cutoff frequency (typ.) : 470 MHz
• Terminal capacitance (typ.) : 4 pF
• Breakdown voltage (typ.) : 400 V
• Temperature coefficient of breakdown voltage (typ.) : 0.78 V/℃
• Gain (typ.) : 50
• Measurement condition : Typ. Ta=25 ℃, unless otherwise noted,
• Photosensitivity: λ=420 nm, M=1