PHOTODIODE
Si PIN photodiode
S4349
Quadrant Si PIN photodiode
S4349 is a quadrant Si PIN photodiode having sensitivity in the UV to near IR spectral range. A quadrant element format allows position sensing
such as for laser beam axis alignment.
Features
Applications
l
Quadrant (2 × 2) element format
l
Low cross-talk: 2 % Max.
l
Wide spectral response range: 190 to 1000 nm
l
High-speed response: fc=20 MHz
l
TO-5 metal package
l
Laser beam axis alignment
l
Position sensing
s
General ratings
Parameter
Window material
Active area
Element gap
Symbol
-
A
-
Value
Quartz glass
3.0/4 element
100
Unit
-
mm
µm
s
Absolute maximum ratings
Parameter
Reverse voltage
Operating temperature
Storage temperature
Symbol
V
R
Max.
Topr
Tstg
Value
20
-20 to +60
-55 to +80
Unit
V
°C
°C
s
Electrical and optical characteristics (Ta=25
°C,
per 1 element)
Parameter
Symbol
Condition
Spectral response range
λ
Peak sensitivity wavelength
λp
Photo sensitivity
S
λ=λp
Dark current
I
D
V
R
=5 V
Temperature coefficient of I
D
T
CID
V
R
=5 V, R
L
=50
Ω
Cut-off frequency
fc
λ=780
nm, -3 dB
Terminal capacitance
Ct
V
R
=5 V, f=1 MHz
Noise equivalent power
NEP
V
R
=5 V,
λ=λp
Cross-talk
C
L
V
R
=5 V,
λ=780
nm
Typ.
190 to 1000
720
0.45
0.01
1.12
20
25
4.0 × 10
-15
-
Max.
-
-
-
0.2
-
-
-
-
2
Unit
nm
nm
A/W
nA
times/°C
MHz
pF
W/Hz
1/2
%
1
HAMAMATSU [ HAMAMATSU CORPORATION ]
