Position Sensitive Diodes
KODENSHI
SD-201・SD-202
DIMENSIONS
The SD-201, 202 are position sensors for automatic
focusing of camera.
(Unit : mm)
FEATURES
•Laser beam focusing/positioning is best performed.
•High performance.
•High reliability in demanding environments.
APPLICATIONS
•Automatic focusing of camera
MAXIMUM RATINGS
Item
Reverse voltage
Power dissipation
Operating temp.
Storage temp.
(Ta=25℃)
Symbol
V
R
P
D
Topr.
Tstg.
Rating
30
30
-25~+85
-30~+100
Unit
V
mW
℃
℃
ELECTRO-OPTICAL CHARACTERISTICS
Item
Reverse voltage
Dark current
Light current
Spectral sensitivity
Peak wavelength
Switching speeds
Capacitance
Resistance
Signal slope
Light current difference
*2. Va=Voltage of Anode A1,A2
*3. α 1(I
1
I
L 2
/(I
1
+I
L 2
)1
=
L
- )
L
*4. ΔL=I
L 1
I
L 2
-
*5. Color temp.=2856K standard Tungsten lamp
(Ta=25℃)
Symbol
V
R
Id
I
L *1
λ
λp
tr, tf
Ct
R
S *2
α
*3
ΔI
L
/I
L *4
Conditions
I
R
=10μ
A
V
R
=1V
V
R
=1V, E
V
=1000lx
*5
V
R
=1V, R
L
=1KΩ
V
R
=1V, f=1MHz
V
R
=1V, Va=0.5V
V
R
=1V
Min.
30
20
SD-201
Typ.
Max.
10
SD-202
Typ.
Max.
Min.
30
10
16
700~1100
940
2
10
100
150
0.067
13
Unit.
V
nA
μ
A
nm
nm
μ ec.
s
pF
KΩ
-
%
30
400~1100
940
2
10
100
150
0.067
200
±2
200
±2
L
=
*1. I
L
=I
L 1
I
L2
(I
L 1
Light current of A1,I
2
Light current of A2)
+
=
- 1-
KODENSHI [ KODENSHI KOREA CORP. ]
