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參數(shù)資料
| 型號(hào)： | L8506 |
| 廠商： | Hamamatsu Photonics |
| 英文描述： | CAP 120PF 50V 5% C0G SMD-0402 TR-7-PA SN100 |
| 中文描述： | 紅外發(fā)光二極管 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 106K |
| 代理商： | L8506 |
When an LED is used for optical encoders, it must emit a uniform, small spot light. L8506 is an infrared LED that emits such a light beam
collimated by the combination of an aspheric lens. L8506 uses a non-confined structure chip that does not show an abrupt deterioration often
encountered with some types of confined chips. The structure of L8506 is also designed to have high resistance to cyclic temperature changes so
it copes with tough environmental conditions required for optical encoders used in factories.
Features
l
Collimated light beam
l
Uniform spot light
l
Narrow directivity: ±5
l
High-speed response: 40 MHz Typ.
l
High reliability
Applications
l
Optical encoder
l
Optical switch
L E D
Infrared LED
L8506
LED emitting collimated light
1
I
Absolute maximum ratings (Ta=25
°
C, unless otherwise noted)
Parameter
Symbol
Reverse voltage
Forward current
Forward current reduction rate
Condition
Value
5
80
0.67
Unit
V
mA
mA/°C
V
R
I
F
-
Pulse forward current
I
FP
Pulse width=10 μs
Duty ratio=1 %
0.5
A
Pulse forward current reduction rate
Power dissipation
Operating temperature
Storage temperature
-
7
mA/°C
mW
°
C
°
C
P
150
Topr
Tstg
-30 to +85
-40 to +100
I
Electrical and optical characteristics (Ta=25
°
C)
Parameter
Peak emission wavelength
Spectral half width
Radiant flux
Forward voltage
Reverse current
Spot light size *
1
Cut-off frequency *
2
*1: Full width at half maximum, measurement distance (from the sensor to the bottom surface of L8506’s base)=10 mm
*2: Frequency at which the light output drops by -3 dB from that at 100 kHz.
Symbol
λ
p
λ
φ
e
V
F
I
R
Condition
Min.
840
-
3.4
-
-
-
25
Typ.
870
45
5.8
1.6
-
4.3
40
Max.
900
-
-
1.75
5
-
-
Unit
nm
nm
mW
V
μA
mm
MHz
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
V
R
=5 V
I
F
=30 mA
I
F
=30 mA ± 4 mAp-p
fc
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