BL-BB74V1 datasheet(2/3 Pages) BRIGHT

Part #	BL-BB74V1

Description	LED AlInGaN Super Blue Low current requirement.

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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 3

SINCE 1981

● Electrical and optical characteristics(Ta=25℃)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Forward Voltage

VF

IF=20mA

-

3.5

4.0

V

Luminous Intensity

Iv

IF=20mA

-

1800

-

mcd

Reverse Current

IR

VR=5V

-

100

µA

Peak Wave Length

λ

p

IF=20mA

-

470

-

nm

Dominant Wave Length

λ

d

IF=20mA

465

-

475

nm

Spectral Line Half-width

∆λ

IF=20mA

-

30

-

nm

Viewing Angle

2θ1/2

IF=20mA

-

25

-

deg

● Typical electro-optical characteristics curves

vs. Ambient temperature

3.0

1.0

0

2.0

Forward current (mA)

40

20

60

80

100

Fig.5 Relative luminous intensity

4.0

0

20

10

30

40

50

vs. Forward current

2

Forward voltage(V)

1

345

0.7

0.9

0.8

1.0

0.5

0.3

0.1

0.2

70

90

80

0.4

0.6

50

60

40

Ambient temperature Ta( )

℃

0.5

Fig.6 Radiation diagram

-40

0

010

-20

0

20

1.0

1.5

2.0

2.5

3.0

30

20

40

60

Fig.3 Forward current vs. Forward voltage

Fig.1 Relative intensity vs. Wavelength

420

0

0.5

1.0

Wavelength λ (nm)

470

520

Fig.4 Relative luminous intensity

Ambient temperature Ta( )

℃

vs. Ambient temperature

Fig.2 Forward current derating curve

0

20

10

30

20

40

60

40

50

100

80

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