PHOTODIODE
Si photodiode
S5668-11/-34
High sensitivity X-ray detectors
Features
S5668-11: CsI
S5668-34: ceramic scintillator
l
High sensitivity compared with CWO
S5668-11: 3.2 times
S5668-34: 1.8 times
l
S5668-34: high reliability
less afterglow, low cross-talk, low capacitance
Applications
l
16-element photodiode array with scintillator
l
X-ray fluorescence analysis
l
X-ray detection
s
Absolute maximum ratings (Ta=25
擄C)
Parameter
Reverse voltage
Operating temperature
Storage temperature
Symbol
V
R
Max.
Topr
Tstg
Value
10
-10 to +60
-20 to +70
Unit
V
擄C
擄C
s
Photodiode electrical and optical characteristics (Ta=25
擄C,
per element)
Parameter
Spectral response range
Peak sensitivity wavelength
Photo sensitivity
Symbol
位
位p
S
Condition
S5668-11
Typ.
Max.
320 to 1100
-
960
-
0.31
-
0.56
-
-
10
550
S5668-34
Typ.
Max.
320 to 1000
-
800
-
0.38
-
0.54
-
2.5
1
35
-
30
70
Unit
nm
nm
A/W
A/W
nA
pA
pF
位=540
nm
位=位p
X-ray tube voltage=
X-ray sensitivity
Sx
5.8
120 kV *
Dark current
I
D
V
R
=10 mV
1
Terminal capacitance
Ct
V
R
=0 V, f=10 kHz
300
* Tube current=1.0 mA, aluminum filter: t=6 mm, distance=830 mm
Note) Sensitivity values are just for your reference. Actual sensitivity values may vary depending on an equipment type and
measurement conditions.
1
1
2
