AUK CORP.
SAM3271
The contents of this data sheet are subject to change without advance notice for the purpose of improvement.
When using this product, would you please refer to the latest specifications.
Rev.Odate:08-AUG-11 AUK-LDM-001(A)
1. Features
◆ Milky diffusion le ns type
◆ φ3mm(T-1) all plastic mold type
◆ Radiation color (Amber, Yellow-Green)
◆ Low power consumption
2. Outline Dimensions
unit : mm
1.80~2.20
2.54 Typ.
2
1.00 Min.
1.00 Min.
3
25.00 Min.
2.90~3.30
4.80~5.20
0.95~1.15
0.70 Max.
3.60~4.00
0.40~0.60
PIN Connections
1. Anode (Y-Green)
2. Common Cathode
3. Anode (Amber)
AUK CORP.
SAM3271
The contents of this data sheet are subject to change without advance notice for the purpose of improvement.
When using this product, would you please refer to the latest specifications.
Rev.Odate:08-AUG-11 AUK-LDM-001(A)
3. Absolute Maximum Ratings
(Ta=25oC)
Characteristic Symbol Rating Unit
Amber Y-Green
Power dissipation PD 75 75 mW
Forward current IF 30 30 mA
*1Peak forward current IFP 50 50 mA
Reverse voltage VR 4 4 V
Operating temperature range Topr -25 85∼ ℃
Storage temperature range Tstg -30 100∼ ℃
Soldering temperature Tsol 260 for ℃10 seconds
*1.Duty ratio = 1/16, Pulse width = 0.1ms
*2.Keep the distance more than 2.0mm from PCB to the bottom of LED package
4. Electrical / Optical Characteristics
(Ta=25oC)
Characteristic Symbol Test Condition Min Typ Max Unit
Forward voltage VF
Amber
IF= 20mA
- 2.1 2.5
V
Y-Green - 2.1 2.5
Luminous intensity IV
Amber IF= 20mA 4 9 -
mcd
Y-Green 5 12 -
Peak wavelength λP
Amber
IF= 20mA
- 630 -
nm
Y-Green - 570 -
Spectrum bandwidth ∆λ
Amber
IF= 20mA
- 35 -
nm
Y-Green - 30 -
Reverse current IR VR=4V - - 10 uA
Half angle θ1/2 IF= 20mA - ±30 - deg
AUK CORP.
SAM3271
The contents of this data sheet are subject to change without advance notice for the purpose of improvement.
When using this product, would you please refer to the latest specifications.
Rev.Odate:08-AUG-11 AUK-LDM-001(A)
5. Characteristic Diagrams
Fig. 3 IF – Ta
Forward Current IF [mA]
Ambient Temperature Ta [℃]
Fig.4 Spectrum Distribution
Relative Intensity [%]
Wavelength λ [nm]
Fig. 1 IF - VF
Forward Voltage VF [V]
Forward Current IF [mA]
Fig. 2 IV - IF
Forward Current IF [mA]
Luminous Intensity Iv [mcd]
Fig. 5 Radiation Dia gr am
Relative Luminous Intensity Iv [%]
