S8559 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Si photodiode Detector for X-ray monitor

PHOTODIODE
Si photodiode
S8559
Detector for X-ray monitor
Features
l Si photodiode coupled to low cost CsI scintillator
l Ideal for detection of X-ray energy below 100 keV
Applications
l X-ray detection
l X-ray monitors
s Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Value
Unit
Reverse voltage
VR Max.
5
V
Operating temperature
Topr
-10 to +60
°C
Storage temperature
Tstg
-20 to +70
°C
s Electrical and optical characteristics (without scintillator, Ta=25 °C)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Spectral response range
λ
-
190 to 1000
-
nm
Peak sensitivity wavelength
λp
720
-
nm
Photo sensitivity
S λ=500 nm
-
0.26
-
A/W
Dark current
ID
VR=10 mV
-
2
50
pA
Terminal capacitance
Ct VR=0 V, f=10 kHz
-
950
-
pF
s X-ray sensitivity (reference value, tube current: 1.0 mA, aluminum filter: t=6 mm, distance=830 nm)
X-ray tube voltage
Typ.
Unit
120 kV
52
nA
Note) Depends on equipment and measurement conditions.
Handling precautions
Avoid storing or using S8559 at high humidity because CsI scintillator has deliquescence.
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