LN184 [PANASONIC]
GaAlAs Infrared Light Emitting Diode; GaAlAs的红外发光二极管
| 型号： | LN184 |
| 厂家： | 
PANASONIC |
| 描述： | GaAlAs Infrared Light Emitting Diode |
| 文件： | 总2页 (文件大小：44K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Infrared Light Emitting Diodes
LN184
GaAlAs Infrared Light Emitting Diode
Unit : mm
ø4.6±0.15
Light source for distance measuring systems
Glass window
Spherical lens
Features
High-power output, high-efficiency : PO = 5 mW (typ.)
Fast response and high-speed modulation capability : tr, tf = 20 ns(typ.)
Infrared light emission close to monochromatics light : λP = 880 nm
(typ.)
2-ø0.45±0.05
2
1
Narrow directivity using spherical lenses; works well with optical
systems in auto focus systems
2.45±0.25
Absolute Maximum Ratings (Ta = 25˚C)
ø4.0±0.1
Parameter
Power dissipation
Symbol
Ratings
Unit
mW
mA
mA
V
1: Anode
2: Cathode
ø5.75max.
PD
190
Forward current (DC)
Pulse forward current
Reverse voltage (DC)
Operating ambient temperature
Storage temperature
IF
90
230
*
IFP
VR
Topr
Tstg
3
–25 to +85
˚C
– 40 to +100
˚C
* Pulse conditions : Pulse of f = 10 kHz and duty cycle = 50% modulated
with pulse of f = 0.375 Hz (1.6 s) and duty cycle = 37.5%
Electro-Optical Characteristics (Ta = 25˚C)
Parameter
Radiant power
Symbol
Conditions
IF = 100mA
min
3.5
typ
max
Unit
mW
nm
nm
V
PO
λP
∆λ
VF
IR
tr
Peak emission wavelength
Spectral half band width
Forward voltage (DC)
Reverse current (DC)
Rise time
IF = 100mA
880
50
IF = 100mA
IF = 100mA
1.55
1.9
10
VR = 3V
µA
ns
IFP = 100mA
IFP = 100mA
The angle in which radiant intencity is 50%
20
20
20
Fall time
tf
ns
Half-power angle
θ
deg.
1
LN184
Infrared Light Emitting Diodes
IF — Ta
IF — VF
IFP — VFP
120
100
80
160
140
120
100
80
1
t
w = 10µs
Ta = 25˚C
f = 100Hz
Ta = 25˚C
60
10 –1
60
40
40
20
20
0
– 25
0
10 –2
0
20
40
60
80
100
0
0.5
1.0
1.5
2.0
0
1
2
3
4
5
Ambient temperature Ta (˚C )
Forward voltage VF (V)
Pulse forward voltage VFP (V)
∆PO — IFP
VF — Ta
∆PO — Ta
1.8
1.6
1.4
1.2
1.0
0.8
10
(1) tw = 10µs
IF = 100mA
10 3
Duty = 0.1%
(2) tw = 50µs
Duty = 50%
(3) DC
10 2
10
Ta = 25˚C
IF = 100mA
(1)
(2)
(3)
1
1
10mA
1mA
10 –1
10 –2
10 –1
– 40
10 –3
10 –2
10 –1
1
10
– 40
0
40
80
120
0
40
80
Pulse forward current IFP (A)
Ambient temperature Ta (˚C )
Ambient temperature Ta (˚C )
λP — Ta
Spectral characteristics
Directivity characteristics
0˚
100
10˚
20˚
1000
900
800
700
600
100
IF = 100mA
IF = 100mA
90
80
70
60
50
40
30
20
80
60
40
20
0
30˚
40˚
50˚
60˚
70˚
80˚
90˚
– 40
0
40
80
120
780 820 860 900 940 980 1020
Ambient temperature Ta (˚C )
Wavelength λ (nm)
2
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