3 0
1 3
1 0 0
- 1-
S D - 2 0 1S D - 2 0 2
Position Sensitive Diodes
K O D E N S H I
1 0
2 0 0
2
Reverse voltage
Dark current
Light current
Spectral sensitivity
Peak wavelength
Switching speeds
C a p a c i t a n c e
R e s i s t a n c e
Signal slope
Light current difference
The SD-201, 202 are position sensors for automatic
focusing of camera.
F E A T U R E S
Laser beam focusing/positioning is best performed.
High performance.
High reliability in demanding environments.
A P P L I C A T I O N S
Automatic focusing of camera
D I M E N S I O N S
(Unit : mm)
R a t i n g
S y m b o l
I t e m
MAXIMUM RATINGS
Reverse voltage
Power dissipation
Operating temp.
Storage temp.
V
R
P
D
T o p r .
T s t g .
3 0
3 0
- 2 5 ~ + 8 5
- 3 0 ~ + 1 0 0
V
m W
U n i t
( T a = 2 5)
4 0 0 ~ 1 1 0 0
7 0 0 ~ 1 1 0 0
( T a = 2 5)
ELECTRO-OPTICAL CHARACTERISTICS
I
R
= 1 0A
V
R
= 1 V
V
R
=1V, E
V
= 1 0 0 0 l x
* 5
V
R
=1V, R
L
= 1K
V
R
=1V, f=1MHz
V
R
=1V, Va=0.5V
V
R
= 1 V
I t e m
T y p .
T y p .
V
R
I d
I
L
* 1
p
tr, tf
C t
R
S
* 2
* 3
I
L
/ I
L
* 4
3 0
2 0
1 0 0
3 0
9 4 0
2
1 0
1 5 0
0 . 0 6 7
1 6
9 4 0
2
1 0
1 5 0
0 . 0 6 7
1 0
2 0 0
2
V
n A
A
n m
n m
s e c .
p F
K
-
%
S y m b o l
C o n d i t i o n s
M i n .
S D - 2 0 1
S D - 2 0 2
M i n .
M a x .
M a x .
U n i t .
*1. I
L
= I
L 1
+ I
L2
( I
L 1
=Light current of A1,I
L 2
=Light current of A2)
*2. Va=Voltage of Anode A1,A2
*3.
= 1 ( I
L 1
- I
L 2
) / ( I
L 1
+ I
L 2
) 1
*4. L = I
L 1
- I
L 2
*5. Color temp.=2856K standard Tungsten lamp
- 2-
S D - 2 0 1S D - 2 0 2
Position Sensitive Diode
Power dissipation Vs.
Ambient temperature
Light current Vs.
Illuminance
Relative sensitivity Vs.
Wavelength
Relative light current Vs.
Ambient temperature
Relative resistance between
electrodes Vs. Ambient temperature
Dark current Vs.
Ambient temperature
Dark current Vs.
Reverse voltage
Capacitance between terminals Vs.
Reverse voltage
Relative light current Vs.
Position
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