PT491 Ver la hoja de datos (PDF) - Sharp Electronics
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componentes Descripción
Fabricante
PT491 Datasheet PDF : 4 Pages
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s Electro-optical Characteristics
Parameter
*2Collector current
PT491/PT493
PT491F/PT493F
Collector dark current
*2Collector-emitter saturation voltage
Peak sensitivity
wavelength
Response time
Half intensity angle
PT491/PT493
PT491F/PT493F
Rise time
Fall time
Symbol
Conditions
VCE = 2V
IC
EV = 2lx
I CEO
V CE(sat)
VCE = 10V, E e = 0
IC = 0.8mA,
Ee = 1mW/cm2
λp
-
t r VCE = 2V, I C = 5mA
tf RL = 100Ω
∆θ
-
*2 E e , E V : Illuminance, irradiance by CIE standard light source A ( tungsten lamp)
PT491/PT491F/PT493/PT493F
MIN.
0.3
0.2
-
-
-
-
-
-
TYP.
0.6
0.4
-
-
800
860
80
70
± 40
( Ta = 25˚C)
MAX. Unit
1.3
mA
0.8
mA
10- 6
A
1.0
V
-
nm
-
nm
400
µs
350
-
˚
Fig. 1 Collector Power Dissipation vs.
Ambient Temperature
80
70
60
50
40
30
20
10
0
- 25
0
25
50
75 85 100
Ambient temperature T a (˚C)
Fig. 3 Relative Collector Current vs.
Ambient Temperature
175
VCE = 2V
EV = 21x
150
125
100
75
50
- 25
0
25
50
75
100
Ambient temperature Ta (˚C)
Fig. 2 Collector Dark Current vs.
Ambient Temperature
10 - 4
5 VCE
10 - 5 = 10V
5
10 - 6
5
10 - 7
5
10 - 8
5
10 - 9
5
10 - 10
5
10 - 11
5
- 25
0
25
50
75
100
Ambient temperature T a (˚C)
Fig. 4 Collector Current vs. Irradiance
50
VCE = 2V
T a = 25˚C
20
PT491
PT493
10
5
PT491F
PT493F
2
1
2
5
10-1
2
5
1
Irradiance E e ( mW/cm2)
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