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
iewing
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 Ts tg -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
I
F = 350mA, - 10°C ≤ T ≤ 100°C [Typ.]
TCλpeak 0.1 nm/°C
Temperature coefficient of λdom
I
F = 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
