Infrared LED
s
Emission spectrum
100
(Typ. Ta=25 ˚C, I
F
=50 mA)
L2388 series
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
s
Radiant flux vs. forward current
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
1000
s
Forward current vs. forward voltage
1000
RELATIVE RADIANT OUTPUT (%)
RADIANT FLUX (mW)
100
FORWARD CURRENT (mA)
80
100
60
L2388
10
40
L2388-01
1
10
20
0
800
0.1
900
1000
1100
1
10
100
1000
1
1.0
1.5
2.0
2.5
WAVELENGTH (nm)
KLEDB0122EA
FORWARD CURRENT (mA)
KLEDB0209EA
FORWARD VOLTAGE (V)
KLEDB0210EA
s
Directivity
(Typ. Ta=25 ˚C)
20˚
10˚
0˚
100
%
30˚
80
%
L2388
30˚
10˚
20˚
s
Radiant output vs. ambient
temperature
(Typ. I
F
=50 mA)
+3
s
Allowable forward current vs.
ambient temperature
(Typ.)
RELATIVE ALLOWABLE FORWARD CURRENT (%)
RELATIVE RADIANT OUTPUT (dB)
+2
+1
0
-1
-2
-3
-4
-5
-40
100
80
40˚
60
%
L2388-01
40˚
60
50˚
60˚
70˚
80˚
90˚
40
%
50˚
60˚
40
20
%
70˚
80˚
90˚
20
0
-40
-20
0
20
40
60
80
100
-20
0
20
40
60
80
100
RELATIVE RADIANT OUTPUT (%)
KLEDB0123EA
AMBIENT TEMPERATURE (˚C)
KLEDB0211EA
AMBIENT TEMPERATURE (˚C)
KLEDB0027EB
s
Allowable forward current
vs. duty ratio
10
(Typ. Ta=25 ˚C)
s
Dimensional outlines (unit: mm)
➀
L2388
2.3 ± 0.3
5.4
±
0.1
CLEAR EPOXY RESIN
4.2
±
0.1
➁
L2388-01
5.4 ± 0.2
4.65 ± 0.1
ALLOWABLE FORWARD CURRENT (A)
1
PULSE WIDTH=10
µs
PULSE WIDTH=100
µs
0.1
1.12 ± 0.1
2.54 ± 0.2
0.45
LEAD
2.54 ± 0.2
0.01
0.01
0.1
1
10
100
DUTY RATIO (%)
KLEDB0038EA
COMMON TO CASE
COMMON TO CASE
KLEDA0009ED
13.5
0.45
LEAD
13.5
4.5 ± 0.2
6.65 ± 0.2
KLEDA0052EB
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. ©2001 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://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.: 8, 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. KLED1012E01
Apr. 2001 DN
HAMAMATSU [ HAMAMATSU CORPORATION ]
