RPI-124

Photointerrupter, Ultraminiature type

Applications

Optical control equipment

Cameras

Floppy disk drives

Features

1) Ultra-small.

2) High-precision position detection

(slit width = 0.15mm).

3) Minimal influence from stray light.

4) Low collector-emitter saturation voltage.

Absolute maximum ratings (Ta

Electrical and optical characteristics (Ta

Electrical and optical characteristics curves

External dimensions (Unit : mm)

Notes:

shall be

2. Dimension in parenthesis are

show for reference.

Anode

Cathode

Collector

Emitter

Cross-section A-A

Gap

Optical axis center

Through hole

A

A

Max.0.3

4 (bottom)

3.9

1

4-0.2

(3)

4-0.5

0.15

±0.1

4-0.4

(2)

4-

φ0.8

3

Fig.1 Relative output current vs.

distance ( )

DISTANCE : d (mm)

0

0

25

50

75

100

125

1

2

3

4

5

d

Fig.4 Relative output current vs.

distance ( )

DISTANCE : d (mm)

0

0

25

50

75

100

125

1

2

3

4

5

Fig.2 Forward current falloff

AMBIENT TEMPERATURE : Ta (

°C)

−20

0

40

60

80

20

100

0

20

10

30

40

50

Fig.10 Output characteristics

10%

90%

:

:

:

Delay time

Rise time (time for output current to rise from

10% to 90% of peak current)

Fall time (time for output current to fall from 90%

to 10% of peak current)

Input

Input

Output

Output

0

0.5

1

1.5

2

2.5

2

04

6

10

8

40mA

30mA

20mA

10mA

Fig.11 Response time measurement circuit

Fig.8 Response time vs.

collector current

COLLECTOR CURRENT : Ic (mA)

10

1

0.1

0.05

10

100

1

Ω

Ω

Ω

Fig.9 Dark current vs.

ambient temperature

AMBIENT TEMPERATURE : Ta (

°C)

100

1000

100

10

1

0.1

75

50

25

0

−25

=30V

=20V

=10V

Fig.6 Relative output vs. ambient

temperature

AMBIENT TEMPERATURE : Ta (

°C)

−40 −20

0

20406080

100

0

20

40

60

80

100

120

160

140

Fig.7 Collector current vs.

forward current

010

20

30

40

50

0

1

2

3

4

5

=5V

0.4

0.2

0.6

1.0

0.8

1.2

1.4

1.8

1.6

0

20

40

10

30

50

Fig.3 Forward current vs. forward

voltage

0.4

0.2

0.6

1.0

0.8

1.2

1.4

1.8

1.6

0

20

40

10

30

50

75

°C

50

°C

25

°C

0

°C

−25°C

AMBIENT TEMPERATURE : Ta (

°C)

−25

0

20

40

60

80

100

0

25

50

75 85

100

Fig.5 Power dissipation / collector power

dissipation vs. ambient temperature

Parameter

Symbol

tr tf

Min.

−

−

−

−

0.3

−

−

Typ.

1.3

−

−

800

−

−

10

Max.

1.6

10

0.5

−

1.5

0.3

−

Unit

=50mA

=5V

=10V

−

µA

µA

nm

mA

V

µs

Conditions

Forward voltage

Reverse current

Dark current

Peak sensitivity wavelength

Collector current

Collector-emitter saturation

voltage

Response time

Cut-off frequency

∗ Non-coherent Infrared light emitting diode used.

Peak light emitting wavelength

=50mA

−

−

1

−

MHz

−

950

−

nm

Maximum sensitivity wavelength

−

800

−

nm

∗ This product is not designed to be protected against electromagnetic wave.

tr tf

Response time

−

10

−

µs

Parameter

Symbol

Topr

Tstg

Limits

−25 to +85

−30 to +100

50

5

80

30

4.5

30

80

Unit

mA

V

mW

V

V

mA

mW

°C

°C

Forward current

Reverse voltage

Power dissipation

Collector-emitter voltage

Emitter-collector voltage

Collector current

Collector power dissipation

Operating temperature

Storage temperature