SML-512 Series

LED lamps

2/3

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Electrical and optical characteristics (Ta=25

°C)

Parameter

Type

SML-512

UW

DW

WW

Red

Orange

Yellow

Typ.

1.9

1.9

1.9

Max.

(mA)

Max.

(mA)

(V)

Cond.

Typ.

(mA)

Cond.

Typ.

∆λ(nm)

(mA)

Cond.

Cond.

(V)

Min.

Typ

(mA)

Cond.

(mcd)

22

36

36

18

16

15

20

20

20

20

20

20

630

611

590

20

20

20

63

63

63

4

4

4

100

100

100

20

20

20

2.5

2.5

2.5

Forward voltage

Reverse

current

Color

Peak

wavelength

Spectral line

half width

Luminous intensity

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Directional pattern

ANGLE (˚)

RELATIVE LUMINOUS INTENSITY (%)

0

50

100

50

100

0

10

10

20

20

30

40

50

60

70

80

90

30

40

50

60

70

80

90

(X'

−Y' )

ANGLE (˚)

RELATIVE LUMINOUS INTENSITY (%)

Fig.1 Directional pattern

0

50

100

50

100

0

10

10

20

20

30

40

50

60

70

80

90

30

40

50

60

70

80

90

(X

−Y)

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Electrical characteristics curves

1.0

10.0

0.1

1.5

1.0

2.0

2.5

3.0

100.0

(V)

Ta=25˚C

Fig. 2 Forward current vs.

forward voltage

1.4

1.2

1.0

0.8

0.6

0.4

40 50

−20 −10

20 30

10

0

60

80

70

1.6

Fig. 3 Luminous intensity vs.

case temperature

CASE TEMPERATURE : Tc

(˚C)

1.00

0.10

0.01

0.1

1

10

100

10.00

(

mA)

Ta=25

°C

Fig. 4 Luminous intensity vs.

forward current