Position Sensitive Diodes
K O D E N S H I
S D - 3 ·0S3D - 3 0 6
DIMENSIONS
(Unit : mm)
The SD- 303, 306 are pos ition s ens ors for automatic
focusing of camera.
FEATURES
•
Laser beam focusing/positioning is best performed
• High performance
• High reliability in demanding environments
APPLICATIONS
• Automatic focusing of camera
MAXIMUM RATINGS
( T a = ℃2)5
I t e m
S y m b o Rl a t i n g U n i t
R
Reverse voltage
Power dissipation
Operating temp.
Storage temp.
V
3 0
V
m W
℃
D
P
3 0
T o p r .
T s t g .
-
2 5 ~ + 8 5
3 0 ~ + 1 0 0
-
℃
ELECTRO-OPTICAL CHARACTERISTICS
( T a = ℃2 )5
S D - 3 0 3
M i n . T y p . M a x . M i n .
S D - 3 0 6
U n i t .
S y m b o l
I t e m
C o n d i t i o n s
T y p . M a x .
R
R
I = 1 μ0A
3 0
V
n A
μA
Reverse voltage
Dark current
Light current
3 0
V
R
V = 1 V
0 . 2
1 3
5
0 . 2
1 3
5
I d
5
V = 1V, E = 1 0 0 *0 l x
1 0
*
1
R
V
L
I
1 0
n m
n m
μs e c .
p F
KΩ
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
7 2 0 ~ 1 1 0 0
7 2 0 ~ 1 1 0 0
9 4 0
2
λ
9 4 0
2
1 0
λ p
tr, tf
C t
R
L
V = 1V, R = 1 Ωk
R
V = 1V, f= 1MHz
1 4
*
2
R
S
V = 1V, Va= 0.5V
1 0 0
1 4 0
0 . 0 8
1 9 0
± 2
2 3 0
2 8 0
0 . 0 8
3 5 0
± 2
R
α *
3
R
V = 1 V
-
%
*
4
L
L
Light current difference
Δ I / I
L
L
1
L2
L
1
L 2
*1. I = I+ I ( I= Light current of A1,I = Light current of A2)
*2. Va= Voltage of Anode A1,A2
L
1
L
2
L
1
L 2
*3. α= 1 (-I I) / (+I I) 1
L
1
L 2
I
*4. Δ L = -I
*5. Color temp.= 2856K standard Tungsten lamp
- 1-