BL-S4531 datasheet(2/2 Pages) BRIGHT

Part #	BL-S4531

Description	GaAsP/GaP Hi-Eff Red Low power consumption.

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Manufacturer	BRIGHT [BRIGHT LED ELECTRONICS CORP]

Direct Link	http://www.brightled.co.kr

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Ver.2.0 Page: 2 of 2

SINCE 1981

● Electrical and optical characteristics(Ta=25 )

℃

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Forward Voltage

VF

IF=20mA

-

2.0

2.6

V

Luminous Intensity

Iv

IF=20mA

-

6.0

-

mcd

Reverse Current

IR

VR=5V

-

100

µA

Peak Wave Length

λ

p

IF=20mA

-

640

-

nm

Dominant Wave Length

λ

d

IF=20mA

617

-

638

nm

Spectral Line Half-width

∆λ

IF=20mA

-

45

-

nm

Viewing Angle

2θ1/2

IF=20mA

-

75

-

deg

● Typical Electro-Optical Characteristics Curves

0

0.5

1.0

1.5

Forward current (mA)

10

20

30

40

50

Fig.3 Forward current vs. Forward voltage

Fig.5 Relative luminous intensity

2.0

0

10

20

30

40

50

vs. Forward current

Forward voltage(V)

12

3

4

5

0.7

0.8

0.9

1.0

0.5

0.3

0.1

0.2

80

90

70

0.4

0.6

60

50

40

Fig.4 Relative luminous intensity

Ambient temperature Ta( )

℃

vs. Ambient temperature

Fig.6 Radiation diagram

0

-40

0.5

10

0

-20

0

20

1.0

1.5

2.0

2.5

3.0

30

20

40

60

Fig.1 Relative intensity vs. Wavelength

540

0

0.5

1.0

Wavelength λ (nm)

640

740

Ambient temperature Ta( )

℃

vs. Ambient temperature

Fig.2 Forward current derating curve

40

10

0

20

30

20

40

60

50

60

100

80

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