AUK CORP.
SR5312-U / SR5312-U(B)
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
◆ Colorless transparency lens type
◆ φ5mm(T-13/4) all plastic mold type
◆ Ultra luminosity
2. Application
◆ Message panels
◆ Backlighting
◆ Indicator lamp
3. Outline Dimensions
unit : mm
PIN Connections
1. Anode
2. Cathode
STRAIGHT TYPE STOPPER TYPE : (B)
1 2
1.00 Min.
2.54 Typ.
1 2
1.00 Min.
0.60 Max.
3.30~4.30
4.60~5.00
0.05 Typ. 8.80~9.20
23.00 Min.
2.54 Typ.
0.55 Max.
5.45~6.05
4.60~5.00
8.80~9.20
1.40 Max.
23.00 Min.
5.45~6.05
0.55 Max.
0.60 Max.
0.55 Max.
1.20 Min.
0.05 Typ.
1.40 Max.
AUK CORP.
SR5312-U / SR5312-U(B)
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)
4. Absolute Maximum Ratings
(Ta=25oC)
Characteristic Symbol Rating Unit
Power dissipation PD 75 mW
Forward current IF 30 mA
*1Peak forward current IFP 50 mA
Reverse voltage VR 4 V
Operating temperature range Topr -20 85∼ ℃
Storage temperature range Tstg -30 100∼ ℃
*2Soldering 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
5. Electrical / Optical Characteristics
(Ta=25oC)
Characteristic Symbol Test Condition Min Typ Max Unit
Forward voltage VF I
F= 20mA - 1.8 2.5 V
Luminous intensity IV IF= 20mA 1170 - 3960 mcd
Peak wavelength λP IF= 20mA - 660 - nm
Spectrum bandwidth ∆λ IF= 20mA - 20 - nm
Reverse current IR VR=4V - - 10 uA
*3Half angle θ1/2 IF= 20mA - ±8 - deg
*3. θ1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity
*4. Luminous intensity maximum tolerance for each grade classification limit is ±18%
*4. Luminous Intensity Classification
R S T
1170~1760 1760~2640 2640~3960
AUK CORP.
SR5312-U / SR5312-U(B)
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)
6. Characteristic Diagrams
Fig. 3 IF – Ta
-25
0
10
6040200
20
30
40
50
80 100
Forward Current IF [mA]
Ambient Temperature Ta [℃]
Fig.4 Spectrum Distribution
750
20
40
60
80
100
0
550 600 650 700
500
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]
Relative Luminous Intensity Iv [%]
Fig. 5 Radiation Dia gr am
100 50 500 100
