ROHM SIR-505STA47 Technical data

SIR-505STA47

Sensors

Infrared light emitting diode, top view type

SIR-505STA47

The SIR-505STA47 is optimal for tape-end sensors in VTR's and ot her equipment. It can be directly mounted on a
printed circuit board.

zApplications

VCR's, Optical control equipment

zFeatures

1) φ5 mm plastic package.

2) Direct-mount type.

3) Long life and high reliability .

zAbsolute maximum ratings (Ta = 25°C)

Forward current
Reverse voltage
Power dissipation
Pulse forward current
Operating temperature
Storage temperature

Pulse width = 0.1 ms, duty ratio 1%

∗

Parameter Symbol Limits

IF

R

V

D

P

∗

IFP
Topr
Tstg

zElectrical and optical characteristics (Ta = 25°C)

Optical output
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Response time
Cut-off frequency

Parameter Symbol Min.

−25 to +85

−40 to +85

O

P

I

E

V

F

I

R

λ

P

∆λ

1/2

θ

tr tf

fc

zDimensions (Unit : mm)

2−0.5

2− 0.4±0.1

Unit

100

5

160

0.5

−

5.6

−

−

−

−

−

− 1.0 −

−

Typ.

8.0

10.0

1.38

−

950

40

±

15

1.0

mA

V

mW

A

°C
°C

(C0.2)

+0.2

−0.1

Max.

−

25.7

1.6
10

−

−

−

−

φ6.0±0.3

1

φ5.0

(5.0)

Unit
mW

mW/sr

V
µA
nm
nm

deg

µs

MHz

Notes:

1. Unspecified tolerance

5.1

2. Dimension in parenthesis are

±0.3Min. 18.0

7.3

(2.2)

(2.0) Max. 1.0

2

2.5±0.3

1

Anode

F=

I

50mA

I

F=

50mA

F=

I

100mA

V

R=

3V

I

F=

50mA

I

F=

50mA

F=

I

50mA

I

F=

50mA

I

F=

50mA

±0.2 .

shall be
show for reference.

Conditions

2

Cathode

Rev.A 1/2

SIR-505STA47

Sensors

zElectrical and optical characteristic curves

100

(%)

O

80

60

40

20

RELATIVE OPTICAL OUTPUT : P

0
900 920 940 960 980 1000

OPTICAL WAVELENGTH : λ

Fig.3 Wavelength characteristics

(nm)

100

(mA)

F

80

60

40

20

FORWARD CURRENT : I

0

−20 0 40 60 8020 100
AMBIENT TEMPERATURE : Ta (

Fig.1 Forward current falloff

20

16

(mW / sr)

E

12

8

4

EMITTING STRENGTH : I

0

0 2040608010010 30 50 70 90

FORWARD CURRENT : I

Fig.4 Emitting strength vs.

forward current

20°

30°

40°

50°

60°

70°

10°

F

(mA)

°C)

100

)

mA

(

F

80

60

40

20

FORWARD CURRENT : I

0

012

FORWARD VOLTAGE : VF(V)

Fig.2 Forward current vs. forward voltage

(%)

E

200

100

50

20

10

RELATIVE EMITING STRENGT H : I

0−25 25 10050 75

AMBIENT TEMPERATURE : Ta (°C)

Fig. 5 Relative emitting strength vs.

0°

ambient temperature

100

80

60

40

−25

°C

0

°C

25

°C

50

°C

75

°C

(deg)

20

RELATIVE EMITTING STRENGTH (%)

0

80°

90°

RELATIVE EMITTING STRENGTH (%)

20406080100 20 40 60 80 9070503010

0

ANGULAR DISPLACEMENT : θ

Fig. 6 Directional pattern

Rev.A 2/2