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| LN21WPH Datasheet, PDF (1/3 Pages) Panasonic Semiconductor – phi5.0 mm | |||
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Light Emitting Diodes
This product complies with the RoHS Directive (EU 2002/95/EC).
LN21WPH
Round Type
Ï5.0 mm
ï¢ Absolute Maximum Ratings Ta = 25°C
Parameter
Symbol Rating
Unit
Power dissipation
PD
70
mW
Forward current
Pulse forward current *
IF
25
mA
IFP
150
mA
Reverse voltage
Operating ambient temperature
VR
4
V
Topr
â25 to +85
°C
Storage temperature
Tstg â30 to +100 °C
Note) *: The condition of IFP is duty 10%, Pulse width 1 msec.
ï¢ Electro-Optical Characteristics Ta = 25°C
Parameter
Symbol
Conditions
Luminous intensity
Reverse current
Forward voltage
Peak emission wavelength
Spectral half band width
IO
IR VR = 4 V
VF IF = 20 mA
λP IF = 20 mA
Îλ IF = 20 mA
IO  IF
10
5
3
IF  VF
100
50
30
ï¢ Lighting Color
ï Red
Min Typ Max Unit
1.0
3.0
mcd
5
µA
2.2 2.8
V
700
nm
100
nm
Relative luminous intensity  Ta
1000
500
300
1
10
100
0.5
5
50
0.3
3
30
0.1
1
3 5 10
30 50 100
Forward current IF (mA)
1
1.6 1.8 2.0 2.2 2.4
Forward voltage VF (V)
10
â20 0 20 40 60 80 100
Ambient temperature Ta (°C)
Relative luminous intensity  λP
IF  Ta
50
100
Directive characteristics
80
20° 10° 0° 10° 20°
30°
30°
60
40°
80°
40°
50°
50°
60°
40
60°
60°
70°
40°
70°
20
80°
20°
80°
0
500
600
700
800
90°
100
80
60
40
20
0
90°
20 40 60 80 100
Peak emission wavelength λP (nm)
Relative luminous intensity (%)
40
30
20
10
00
20 40
60 80 100
Ambient temperature Ta (°C)
Publication date: November 2008
SHD00462BEK
1
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