SPEC NO: DSAI2854 REV NO: V.4 DATE: JAN/13/2009
PAGE: 3 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: Y.F.Lu ERP: 1212000117
Selection Guide
Notes:
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.
2. Luminous intensity/ luminous Flux: +/-15%.
Part No.
Dice
luminous Intensity [2]
Iv(mcd)@ 250mA
Φv (lm) [2] Viewing
@ 250mA
Angle [1]
Min.
Typ.
Min.
Typ.
2
θ
1/2
AT2520QB10ZS
Blue (InGaAlN)
1800
2500
9
12
120
°
Parameter
Symbol
Value
Unit
Power dissipation
Pt
1.0
W
Junction temperature[1]
TJ
110
°C
Operating Temperature
Top
-40
To +100
°C
Storage Temperature
Tstg
-40
To +120
°C
DC Forward Current [1]
IF
250
mA
Peak Forward Current [2]
IFM
400
mA
Thermal resistance [1]
Rth j-a
110
°C/W
8000
V
Electrostatic Discharge Threshold (HBM)
Absolute Maximum Ratings at TA=25°C
Electrical / Optical Characteristics at TA=25°C
Parameter
Symbol
Value
Unit
Wavelength at peak emission
IF=250mA [Typ.]
λ
peak
452
nm
Spectral bandwidth at 50%Φ
REL MAX
IF=250mA [Typ.]
Δλ
20
nm
Forward Voltage IF=250mA [Min.]
VF [2]
3.0
V
Forward Voltage IF=250mA [Typ.]
3.5
Forward Voltage IF=250mA [Max.]
4.0
Temperature coefficient of λ
peak
IF=250mA, -10
°
C≤
T≤100
°
C [Typ.]
TC
λ
peak
0.13
nm/°C
Temperature coefficient of λ
dom
IF=250mA, -10
°
C≤
T≤100
°
C [Typ.]
TC
λ
dom
0.11
nm/°C
Temperature coefficient of VF
IF=250mA, -10
°
C≤
T≤100
°
C [Typ.]
TCV
-3.0
mV/°C
Dominant Wavelength
IF=250mA [Typ.]
λ dom [1]
458
nm
Notes:
1.Wavelength: +/-1nm.
2. Forward Voltage: +/-0.1V.
Notes:
1. Results from mounting on PC board FR4, mounted on pc board-metal core PCB is recommend
for lowest thermal resistance.
2. 1/10 Duty Cycle, 0.1ms Pulse Width.