SMD075-LA81 datasheet(5/17 Pages) LUMILEDS

Part #	SMD075-LA81

Description	Mid-Power LED Light Source

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Manufacturer	LUMILEDS [Lumileds Lighting Company]

Direct Link	http://www.luxeon.com

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SignalSure Datasheet DS11 20121212

5

Optical Characterization,T

j =25°C

[2]

Table 5.

Total Flux/Luminous

Dominant

Peak Dominant

Typical Viewing

Typical Total

Intensity

Wavelength (nm)

Angle

Included

Part Number

(lm/cd)

l

dom

l

peak

2u ½(°)

Angle

Typ.

@ 50% intensity

u

90V(°)

[1]

SMD075-LO81

2.8

615

622

120 +/- 10

150 +/- 10

SMD075-LA81

2.8

590

593

120 +/- 10

150 +/- 10

Note for Table 5:

1. u

90V is the included angle at which 90% of the total luminous flux is captured.

Electrical Characterization

Table 6.

Parameter

Symbol

Rating

Units

Forward Voltage

V

F

2.8

V (Typ)

Thermal Resistance [1]

R

th J-Ambient

180

°C/W (Typ)

Capacitance V

F=0, F=1MHz

C

25

pF (Typ)

Speed of Response Time Constant, e-t/τs

τs

20

ns (Typ)

Note for Table 6:

1. R

th J-Ambient obtained based on mounting on PCB FR4 pad size á 16 mm

2

per pad.

Temperature Characterization

Table 7.

Parameter

Symbol

Part Number

Value

Unit

Typical Temperature coefficient of ldom

TC

ldom

SMD075-LO81

0.05

nm/°C

I

F = 75 mA, 10°C ≤ Tj ≤ 85°C

SMD075-LA81

0.09

Typical Temperature coefficient of V

F

TC

V

SMD075-LO81

-2.1

mV/°C

I

F = 75 mA, 10°C ≤ Tj ≤ 85°C

SMD075-LA81

-1.0

Typical Temperature coefficient of j

V

TC

j

SMD075-LO81

-47.0

mlm/°C

I

F = 75 mA, 10°C ≤ Tj ≤ 85°C

SMD075-LA81

-55.0

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