Ambient Light Photo transistor
KDT3312AL
The KDT3312AL is phototransistor daylight sensor,
which peak sensitivity is designed at
λ
P
=560nm.
It's compact and easy to mount.
Dimensions
[Unit : mm]
Features
Lineat output conforming to illuminance
Φ3mm(T1)
clear mold type.
Adapted to human eye responsivity.
Compact package
RoHs Compliance.
1
2
Applications
Switching for home lighting equipments
Control of brightness for LCD monitor, CRT monitor
Replacement of cds cell
1
2
Absolute Maximum Ratings
Parameter
Collector-Emitter Voltage
Emitter-Collector Voltage
Collector Current
Collector Power Dissipation
Operating Temperature
Storage Temperature
Soldering Temperature*
1
[T
A
= 25
Symbol
V
CEO
V
ECO
I
C
P
C
Topr.
Tstg.
Tsol
Rating
7
4
20
75
-20~+85
-30~+85
260
Unit
mA
V
mA
mW
]
Notes : *1. For MAX.5 seconds at the position of 2mm from the package
-1-
Ambient Light Photo transistor
KDT3312AL
ELECTRO- OPTICAL CHARACTERISTICS
Description
Collector dark Current
Photo Current
Spectral Sensitivity
Peak wavelength
Switching time
Viewing Angle
Collector-Emitter Saturation Voltage
Rise time
Fall time
p
tr
tf
∆Θ
V
CE(SAT)
I
C
=500㎂, Ev=2000lx
Symbol
I
CEO
I
PCE
Condition
V
CE
=10V, E
V
=0
V
CE
=5V, Ev=100lx
-
-
V
CE
=10V, I
C
=1mA,
R
L
=100Ω
Min.
-
-
-
Typ.
-
75
400~700
560
6
6
±15
0.1
Max.
100
-
-
-
-
-
0.4
Unit
nA
㎂
nm
nm
㎲
㎲
deg.
V
-
-
-
-
DYNAMIC CHARACTERISTICS
Radiant Pattern
Angle(deg.)
0
+4
(%)
Spectral Sensitivity
100
80
60
40
20
0
400 500 600 700 800 900 1000 1100(㎚)
Wavelength( λ)
KDR3T03AL
Human Eye
Relative sensitivity Vs.
Wavelength
+20
0
-20
-4
0
0
-6
+60
50
-80
-100
+80
+100
0
100
50
50
100
Relative intensity(%)
-2-
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