L8957 데이터 시트보기 (PDF) - Hamamatsu Photonics
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L8957 Datasheet PDF : 2 Pages
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Infrared LED L8957
s Emission spectrum
s Optical output vs. forward current s Forward current vs. forward voltage
100
80
60
40
20
0
700
(Typ. Ta=25 ˚C, IF=30 mA)
800
900
1000
(Typ. Ta=25 ˚C)
6
5
4
3
2
1
0
0
20
40
60
80
100
100
90
80
70
60
50
40
30
20
10
0
0
WAVELENGTH (nm)
KLEDB0218EA
FORWARD CURRENT (mA)
KLEDB0300EB
(Typ. Ta=25 ˚C)
0.5
1.0
1.5
FORWARD VOLTAGE (V)
2.0
KLEDB0227EB
s Directivity
20˚
30˚
10˚
0˚
100 %
(Typ. Ta=25 ˚C)
10˚
20˚
s Radiant output vs. ambient
temperature
(Typ. IF=50 mA)
+2
30˚
80
%
+1
s Allowable forward current vs. ambient
temperature
(Typ.)
100
80
40˚
60 %
40˚
0
60
50˚
40 %
50˚
-1
40
60˚
60˚
70˚
20
%
70˚
-2
20
80˚
80˚
90˚
90˚
-3
0
0
20
40
60
80
100
-40 -20
0
20 40 60 80 100
RELATIVE RADIANT OUTPUT (%)
KLEDB0247EA
AMBIENT TEMPERATURE (˚C)
KLEDB0228EA
AMBIENT TEMPERATURE (˚C)
KLEDB0229EB
s Allowable forward current vs.
duty ratio
10000
(Typ. Ta=25 ˚C)
s Light intensity distribution
(Typ. Ta=25 ˚C)
100
L=10 mm
s Dimensional outline (unit: mm)
5.4 ± 0.2
4.65 ± 0.15
80
L=15 mm
1000
PULSE WIDTH=1 µs
PULSE WIDTH=10 µs
60
L=25 mm
100
PULSE WIDTH=100 µs
10
0.01
0.1
1
10
DUTY RATIO (%)
40
100
KLEDB0288EA
20
LED
IMAGE
L
SENSOR
0
-4 -3 -2 -1 0
12
34
POSITION ON IMAGE SENSOR (mm)
KLEDB0248EB
0.45
LEAD
2.54 ± 0.2
COMMON TO CASE
KLEDA0077EA
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2007 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Cat. No. KLED1039E03
2
Aug. 2007 DN
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