PT4800 Ver la hoja de datos (PDF) - Sharp Electronics

Número de pieza

componentes Descripción

Fabricante

PT4800

Thin Type Phototransistor

Sharp Electronics 

Fig. 7-b Response Time vs. Load Resistance

( PT4810 / PT4810F)

1000

VCE = 2V

IC = 10mA

Ta = 25˚C

tr

100

tf

td

10

ts

1

10

100

1000

Load resistance R L ( Ω )

5000

Test Circuit for Response Time

( PT4810 / PT4810F)

Output Input

VCC

RL

90 %

Output

10 %

td

ts

tr

tf

Fig. 9-a Collector-emitter Saturation

Voltage vs. Irradiance

(PT4800 )

2.2

Ta = 25˚C

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

0.1 0.2

0.5 1

2

5 10

Irradiance E e ( mW/cm2)

PT4800/PT4800F/PT4810/PT4810F/PT4850F

Test Circuit for Response Time

( PT4800 / PT4800F/ PT4850F)

Output Input

VCC

RL

90 %

Output

10 %

tr

tf

Fig. 8 Sensitivity Diagram ( Ta = 25˚C)

- 20˚ - 10˚ 0˚ + 10˚ + 20˚

- 30˚

100

+ 30˚

80

- 40˚

60

+ 40˚

- 50˚

40

+ 50˚

- 60˚

+ 60˚

- 70˚

20

+ 70˚

- 80˚

+ 80˚

- 90˚

0

Angular displacement θ

+ 90˚

Fig. 9-b Collector-emitter Saturation

Voltage vs. Irradiance

(PT4800F/ PT4850F)

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0 Ta = 25˚C

0.1 0.2 0.5 1 2

5 10 20

Irradiance E e ( mW/cm2)

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