KODENSHI KST-312

Photo transistors
KODENSHI
KST-312
DIMENSIONS
(Unit : mm)
The KST-312 is a high-sensitivity Silicon
phototransistor with two-phaseoutput. This
phototransistor is compact , and the best for the
mouse.
FEATURES
•Visible ray cut off mold type
•Bult-in 2ch phototransistors
APPLICATIONS
•Optical mouses
•Encoders
MAXIMUM RATINGS
(Ta=25℃)
Item
Symbol
Rating
Unit
C-E voltage
E-C voltage
Collector current
Collector power dissipation
Operating temp.
Storage temp.
Soldering temp. *1
VCEO
VECO
IC
PC
Topr.
Tstg.
Tsol.
30
5
100
-25~+85
-30~+85
260
V
V
mA
mW
℃
℃
℃
*1. For MAX.5 seconds at the position of 2 mm from the package
ELECTRO-OPTICAL CHARACTERISTICS
Item
Collector dark current
Light current
C-E saturation voltage
Rise time
Switching speeds Fall time
Spectral sensitivity
Peak wavelength
Half angle
(Ta=25℃)
Symbol
Conditions
ICEO
IL
VCE(sat)
tr
tf
λ
λp
△θ
VCEO=10V
VCE=5V,1mW/cm2
IC=100μA
VCC=5V, IC=1mA,
RL=1KΩ
- 1-
Min.
Typ.
160
0.1
15
18
880~1050
880
±60
Max.
Unit.
100
960
0.4
nA
μ
A
V
μsec.
μsec.
nm
nm
deg.
Photo transistors
KST-312
Collector current Vs.
Collector - Emitter voltage
Relative sensitivity Vs.
Wavelength
Collector current Vs.
Illuminance
Dark current Vs.
Ambient temperature
Swithing time vs.
Load resistance
Radiant Pattern
Collector power dissipation Vs.
Ambient temperature
- 2-