LED Data Sheet - SEC1603C
SEC1603C
● External Shape Type : 3.0×1.5 Surface Mount LED (Inner Lens Type)
● Color : Red
● Lens color : Clear
● Material of a chip : GaAlAs
● Application : Automotive, Consumer Electronics, Office Automation, Indicator
● Feature : High Luminous Intensity, RoHS compliant,
Compatible with heat-resistance of lead-free solder.
●Rating  
Description Symbol Unit
Forward current
IF mA
Forward current
reduction
⊿IF mA/℃
Pulse forward
current
IFP mA
Reverse voltage
VR
Operating temperature
Topr
Storage temperature
Tstg
●Photoelectric characteristic  (Ta=25℃)
Description Symbol Min Typ Max Unit
Forward voltage
VF 1.7 2.5 V
Reverse current
IR 50 μA
Luminous intensity
IV 17.5 35 mcd
Peak wavelength
λp 660 nm
Dominant wavelength
λd 642 nm
Spectral bandwidth
⊿λ 30 nm
Directional angle
2θ1/2 80 deg.
●Luminous intensity rank (Ta=25℃)
B 17.5 35
C 25.5 51
D 37.5
D1
    SANKEN ELECTRIC COMPANY, LTD.
rank
Luminous intensity
range(mcd)
VR = 3V
IF = 10mA
Conditions
IF = 10mA
IF = 10mA
IF = 10mA
IF = 10mA
IF = 20mA
-30~ 85
3
-0.45
-30~100
30
Ratings
100
f=1kHz
tw≦100μs
Remark
Avobe25℃
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LED Data Sheet - SEC1603C
●Characteristic data
    SANKEN ELECTRIC COMPANY, LTD.
1
10
100
1.4 1.5 1.6 1.7 1.8 1.9 2.0
IF [mA]
VF [V]
IF-VF
0.01
0.10
1.00
10.00
1 10 100
IV(Relative intencity)
IF [mA]
IV-IF
0
5
10
15
20
25
30
35
0 10 20 30 40 50 60 70 80 90
IFmax [mA]
Ta [℃]
IFmax-Ta
0.0
0.2
0.4
0.6
0.8
1.0
1.2
500 600 700 800
Relative Intencity @IF=20mA
λ [nm]
Spectrum
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