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2010 ROHM Co., Ltd. All rights reserved.

2010.06 - Rev.B

Data Sheet

SIM-22ST



Electrical and optical characteristic curves

AMBIENT TEMPERATURE : Ta(

°C)

−20

0

40

60

80

20

100

0

20

10

30

40

50

Fig.1 Forward current falloff

V)

0

10

20

30

40

50

60

70

0.4

0

0.8

1.2

1.6

Fig.2 Forward current vs. forward voltage

75

°C

50

°C

25

°C

0

°C

−25

°C

(mA)

10

0

20304050

0

14

2

4

6

8

10

12

Fig.3 Emitting strength vs.

forward current

−25

100

75

50

25

0

10

20

50

100

200

AMBIENT TEMPERATURE : Ta (

°C)

Fig.4 Relative emitting strength vs.

ambient temperature

OPTICAL WAVELENGTH :

920

900

940

960

980

1000

0

20

40

60

80

100

Fig.5 Wavelength

Fig. 6 Directional pattern

100

80

60

40

20

0

0

20

40

60

80

100

RELATIVE EMITTING STRENGTH (%)

ANGULAR DISPLACEMENT :

10

°

0

°

20

° 30° 40° 50° 60° 70° 80° 90°

10

°

20

°

30

°

40

°

50

°

60

°

70

°

80

°

90

°