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And420hwa – Purdy AND420HWA User Manual

Page 2

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AND420HWA

InGaN High Brightness White Light Emission

Ultra Bright LED Lamps

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com

10/16/07

-20

0

20

40

60

80

0.1

0.3

0.5

1

3

I

V

– T

C

Case Temperature T

C

(ºC)

Relative Luminous Intensity

I

F

– T

a

Ambient Temperature T

a

(ºC)

Allowable Forward Current I

F

(mA)

0

20

40

60

80

100

0

10

20

30

40

200

300

400

500

600

700

800

0

0.2

0.4

0.6

0.8

1.0

Relative Luminous Intensity – Wavelength

Wavelength

λ (nm)

Relative Luminous Intensity

I

F

= 20 mA

T

a

= 25ºC

Radiation Pattern

Ta = 25ºC

90º

80º

70º

60º

50º

40º

30º

20º

10º

10º

20º

30º

40º

50º

60º

70º

80º

90º

0.2

0

0.4

0.8

0.6

2.5

2.75

3.0

3.25

3.5

3.75

4.0

1

3

5

10

30

50

I

F

– V

F

Forward Voltage V

F

(V)

Forward Current I

F

(mA)

T

a

= 25ºC

1

10

100

1000

10000

Ta = 25ºC

IV – VF

Forward Current IF (mA)

Luminous Intensity I

V

(mcd)

5000

3

5

30

300