Infrared LED
Peak emission wavelength: 1.3 μm
L10822 series
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The L10822 series is a long wavelength LED using an InGaAs chip. Peak emission occurs at 1.3 m, making the L10822 series
suitable for detection of moisture.
Features Applications
Peak emission wavelength: 1.3 μm
High radiant output power
Narrow directivity (L10822-01)
Reference light source for moisture meter
Light source for photosensitive material
Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Electrical and optical characteristics (Ta=25 °C)
Parameter Symbol Condition Value Unit
Reverse voltage VR1V
Forward current IF80 mA
Forward current derating rate - Ta > 25 °C 1.1 mA/°C
Pulse forward current IFP Pulse width=10 s
Duty ratio=1 % 1.0 A
Pulse forward current derating rate
- Ta > 25 °C 13 mA/°C
Power dissipation P 150 mW
Operating temperature Topr -30 to +85 °C
Storage temperature Tstg -40 to +100 °C
Parameter Symbol Condition L10822 L10822-01 Unit
Min. Typ. Max. Min. Typ. Max.
Peak emission wavelength λpIF=50 mA 1.25 1.3 1.35 1.25 1.3 1.35 m
Spectral half width Δλ IF=50 mA - 90 140 - 90 140 nm
Radiant fl ux φeIF=50 mA 2.0 2.8 - 2.2 3.1 - mW
Forward voltage VFIF=50 mA - 1.1 1.6 - 1.1 1.6 V
Reverse current IRVR=1 V - - 10 - - 10 A
Cut-off frequency *1fc IF=50 mA ± 10 mAp-p 10 15 - 10 15 - MHz
* Frequency at which the light output decreases by 3 dB from the light output at 100 kHz
www.hamamatsu.com
Infrared LED L10822 series
2
Emission spectrum
Directivity
Radiant flux vs. forward current
Forward current vs. forward voltage
KLEDB0335EA
KLEDB0334EA
1000
Wavelength (nm)
Relative radiant output (%)
0
1100 1200 1300 1400 1500
100
90
80
70
60
50
40
30
20
10
(Typ. Ta=25 °C, IF=50 mA)
90°
80°
70°
60°
50°
40°
30°
90°
80°
70°
60°
50°
40°
30°
20° 10° 0° 10° 20°
020406080100 20 40 60 80 100
Relative radiant output (%)
(Typ. Ta=25 °C)
L10822
L10822-01
10
0.1
100
1
10
1000100
Forward current (mA)
Radiant flux (mW)
(Typ. Ta=25 °C, tw=100 µs, 0.1%)
L10822
L10822-01
0.5
10
1000
100
2.52.01.0 1.5
Forward voltage (V)
Forward current (mA)
(Typ. Ta=25 °C, tw=100 µs, 0.1%)
KLEDB0332EA KLEDB0333EA
Infrared LED L10822 series
Allowable forward current vs. duty ratio
Radiant output vs. ambient temperature
Allowable forward current vs. ambient temperature
KLEDB0327EA KLEDB0328EA
0.01
Duty ratio (%)
Allowable forward current (A)
0.01
0.1 1 10 100
0.1
1
10
Pulse width=1 µs
(Typ. Ta=25 °C)
Pulse width=100 µs
Pulse width=10 µs
Ambient temperature (°C)
(Typ. IF=50 mA)
-40 -20 0 20 40 60 80 100
-5
+3
+2
+1
0
-1
-2
-3
-4
Relative radiant output (dB)
Ambient temperature (°C)
(Typ.)
0
120
110
100
90
80
70
60
50
40
30
20
10
Relative forward current (%)
-40 -20 0 20 40 60 80 100
KLEDB0225EA
3
Cat. No. KLED1056E01 Aug. 2010 DN
www.hamamatsu.com
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.
Type numbers of products listed in the specification sheets or supplied as samples may have a suffix “(X)” which means tentative specifications or a suffix “(Z)”
which means developmental specifications. ©2010 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
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) 8152-375-0, Fax: (49) 8152-265-8
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 int. 6, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Infrared LED L10822 series
Dimensional outlines (unit: mm)
5.4 ± 0.2
4.7 ± 0.1
Glass window
3.0 ± 0.1
3.6 ± 0.2
13.5 ± 1
2.54 ± 0.2
0.45 ± 0.05
Lead
Common to case
L10822 L10822-01
KLEDA0090EA KLEDA0091EA
4.65 ± 0.1
4.5 ± 0.2
6.65 ± 0.213.5 ± 1
5.4 ± 0.2
2.54 ± 0.2
Common to case
0.45
± 0.05
Lead
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