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PT491 Datasheet(PDF) 3 Page - Sharp Corporation

Part # PT491
Description  Intermediate Acceptance High Sensitivity Phototransistor
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

PT491 Datasheet(HTML) 3 Page - Sharp Corporation

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Collector-emitter voltage V CE ( V)
01234567
0
5
10
15
20
25
30
35
40
45
50
T a = 25˚C
IC = 5mA
VCE =2V
T a = 25˚C
PC (MAX.)
Ee =
0.5mW/cm2
0.25mW/
cm2
0.2mW/cm2
0.15mW/cm2
0.1mW/cm2
Collector-emitter voltage V CE ( V)
01234567
0
5
10
15
20
25
30
35
40
45
50
T a = 25˚C
Ee =
0.5mW/cm2
PC (MAX.)
0.25mW/cm2
0.2mW/cm2
0.15mW/cm2
0.1mW/cm2
Wavelength
λ (nm)
500
600
700
800
900
1000
1100
1200
0
20
40
60
80
100
T a = 25˚C
PT491
PT493
PT491F
PT493F
L ( Ω )
10
100
1000
10
100
5000
1
1000
tr
tf
t s
td
Test Circuit for Response Time
td
tr
Output
VCC
Output
RL
Input
tf
10%
ts
90%
Angular displacement
θ
0
- 80˚
- 90˚
- 60˚
- 70˚
- 50˚
- 40˚
- 30˚
+ 80˚
+ 90˚
+ 10˚
80
20
40
60
- 10˚
- 20˚
0˚
100
+ 70˚
+ 60˚
+ 50˚
+ 40˚
+ 20˚
+ 30˚
PT491/PT491F/PT493/PT493F
Voltage
(Ta = 25˚C)
Fig. 5-a Collector Current vs. Collector-emitter
Voltage
Fig. 5-b Collector Current vs. Collector-emitter
Fig. 6 Spectral Sensitivity
( PT491/PT493 )( PT491F/PT493F )
Fig. 8 Sensitivity Diagram
Fig. 7 Response Time vs. Load Resistance
Load resistance R


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