3.2X2.8mm SMD LED WITH CERAMIC SUBSTRATE
SPEC NO: DSAI6844 REV NO: V.7 DATE: APR/13/2011
PAGE: 2 OF 10
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP:1212000022
Electrical / Optical Characteristics at TA = 25°C
Notes:
1. Results from mounting on metal core
PCB, mounted on pc board-metal core PCB is recommend.
for lowest thermal resistance.
2. 1/10 Duty Cycle, 0.1ms Pulse Width.
Absolute Maximum Ratings at TA = 25°C
Notes:
1.Wavelength : + / -1nm.
2. Forward Voltage : + / - 0.1V.
Selection Guide
Notes:
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 of
the optical peak value.
2. Luminous intensity / luminous flux: +/-15%.
Part No.
Dice
Φv (lm) [2]
@ 350mA
Viewing
Angle [1]
Code.
Min.
Max.
2θ1/2
AT3228SE9ZS-RV
Reddish-Orange (AlGaInP)
120°
B3
14
17
B4
17
20
B5
20
24
B6
24
29
Parameter
Symbol
Value
Unit
DC Forward Current [1]
IF
350
mA
Peak Forward Current [2]
IFM
500
mA
Power dissipation
PD
1.05
W
Operating Temperature
Top
-40
To +100
°C
Storage Temperature
Tstg
-40
To +120
°C
Junction temperature[1]
TJ
120
°C
Thermal resistance [1] (Junction/ambient)
Rth j-a
95
°C/W
Thermal resistance [1] (Junction/solder point)
Rth j-s
30
°C/W
Reverse Voltage
VR
5
V
Parameter
Symbol
Value
Unit
Forward Voltage IF = 350mA [Min.]
VF [2]
2.0
V
Forward Voltage IF = 350mA [Typ.]
2.5
Forward Voltage IF = 350mA [Max.]
3.0
Wavelength at peak emission IF = 350mA [Typ.]
λpeak
635
nm
Dominant Wavelength
IF = 350mA [Typ.]
λ dom [1]
623
nm
Temperature coefficient of λpeak
IF = 350mA, - 10°C ≤
T ≤
100°C [Typ.]
TCλpeak
0.1
nm/°C
Temperature coefficient of λdom
IF = 350mA, - 10°C ≤
T ≤
100°C [Typ.]
TCλdom
0.08
nm/°C
Temperature coefficient of VF
IF = 350mA, - 10°C ≤
T≤
100°C [Typ.]
TCV
-3.0
mV/°C
Luminous Flux IF = 350mA [Typ.]
Φv
20
lm
Spectral bandwidth at 50% ΦREL MAX
IF = 350mA [Typ.]
Δλ
22
nm
Allowable Reverse Current [Max.]
IR
85
mA
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