Position Sensitive Diodes
KODENSHI
SD-402
DIMENSIONS
The SD-402 is position sensors for automatic focusing
of camera. It has 22 milimeter area.
(Unit : mm)
FEATURES
鈥aser beam focusing/positioning is best performed
鈥igh performance
APPLICATIONS
鈥ptical disk
MAXIMUM RATINGS
Item
Reverse voltage
Power dissipation
Operating temp.
Storage temp.
(Ta=25鈩?
Symbol
V
R
P
D
Topr.
Tstg.
Rating
15
30
-20~+85
-25~+90
Unit
V
mW
鈩?/div>
鈩?/div>
ELECTRO-OPTICAL CHARACTERISTICS
Item
Reverse voltage
Dark current
Light current
Spectral sensitivity
Peak wavelength
Capacitance
Resistance
Signal slope
Light current difference
*2. Va=Voltage of Anode A1,A2
*3. 偽 1(I
1
I
L 2
/(I
1
+I
L 2
)1
=
L
- )
L
*4. 螖L=I
L 1
I
L 2
-
*5. Color temp.=2856K standard Tungsten lamp
(Ta=25鈩?
Symbol
V
R
Id
I
L *1
位
位p
Ct
R
S *2
*
偽
3
螖I
L
/I
L *4
Conditions
I =10渭
A
V
R
=1V
*
V
R
=1V, E
V
=1000lx
5
R
Min.
15
100
Typ.
120
700~1,100
940
30
200
0.036
Max.
10
Unit.
V
nA
渭
A
nm
nm
pF
K惟
-
%
V
R
=1V, f=1MHz
V
R
=1V, Va=0.5V
V
R
=1V
140
260
鹵2
L
=
*1. I
L
=I
L 1
I
L 2
(I
L 1
Light current of A1,I
2
Light current of A2)
+
=
- 1-
1
2
