KODENSHI SD-402

Position Sensitive Diodes
KODENSHI
SD-402
DIMENSIONS
(Unit : mm)
The SD-402 is position sensors for automatic focusing
of camera. It has 22 milimeter area.
FEATURES
•Laser beam focusing/positioning is best performed
•High performance
APPLICATIONS
•Optical disk
MAXIMUM RATINGS
Item
Reverse voltage
Power dissipation
Operating temp.
Storage temp.
(Ta=25℃)
Symbol
Rating
Unit
VR
PD
Topr.
Tstg.
15
30
-20~+85
-25~+90
V
mW
℃
℃
ELECTRO-OPTICAL CHARACTERISTICS
Item
Reverse voltage
Dark current
Light current
Spectral sensitivity
Peak wavelength
Capacitance
Resistance
Signal slope
Light current difference
(Ta=25℃)
Symbol
Conditions
Min.
VR
Id
IL *1
λ
λp
Ct
RS *2
α*3
ΔIL /IL *4
IR=10μA
VR=1V
VR=1V, EV =1000lx*5
15
VR=1V, f=1MHz
VR=1V, Va=0.5V
VR=1V
Typ.
Max.
10
100
140
120
700~1,100
940
30
200
0.036
260
±2
*1. IL=IL 1+IL 2 (IL 1=Light current of A1,IL 2=Light current of A2)
*2. Va=Voltage of Anode A1,A2
*3. α
=1(IL 1-IL 2)/(IL 1+IL 2)1
*4. ΔL=IL 1-IL 2
*5. Color temp.=2856K standard Tungsten lamp
- 1-
Unit.
V
nA
μA
nm
nm
pF
KΩ
%
Position Sensitive Diode
SD-402
Power dissipation Vs.
Ambient temperature
Relative light current Vs.
Ambient temperature
Light current Vs.
Illuminance
Relative sensitivity Vs.
Wavelength
Relative resistance between
electrodes Vs. Ambient temperature
Dark current Vs.
Ambient temperature
Relative light current Vs.
Position
- 2-