LED
High power GaAlAs infrared LED
L2690 series
Infrared LED
Features
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High radiant output power
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High reliability
Applications
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Optical switch
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Automatic control system
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol Condition Value Unit
Forward current IF100 mA
Reverse voltage VR5 V
Pulse forward current IFP Pulse width: 10 µs
Duty ratio: 1 % 1.5 A
Operating temperature Topr -30 to 85 °C
Storage temperature Tstg -40 to 100 * °C
* Guaranteed to resist temperature cycle test of up to 5 cycles.
■ Electrical and optical characteristics (Ta=25 °C)
L2690 L2690-02
Parameter Symbol Condition Min. Typ. Max. Min. Typ. Max. Unit
Peak emission wavelength λpIF=50 mA 870 890 920 870 890 920 nm
Spectral half width ∆λ IF=50 mA -50 - - 50 -nm
Forward voltage VFIF=50 mA - 1.45 1.60 - 1.45 1.60 V
Pulse forward voltage VFP IF=1.5 A -3.3 4.0 -3.3 4.0 V
Reverse current IRVR=5 V - - 5 - - 5 µA
Radiant flux φeIF=50 mA 12.0 14.0 -7.0 9.0 -mW
Radiant illuminance PEIF=50 mA - 0.6 - - 4.4 - mW/cm2
Rise time tr IF=50 mA, 10 to 90 % -0.45 0.7 -0.45 0.7 µs
Fall time tf IF=50 mA, 90 to 10 % - 0.45 0.7 - 0.45 0.7 µs
Infrared LED
L2690 series
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, 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.: 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
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.
Cat. No. KLED1029E01
Apr. 2001 DN
1.12 ± 0.1
CLEAR EPOXY RESIN
5.4 ± 0.1
4.2 ± 0.1
0.45
LEAD
2.54 ± 0.2
2.3 ± 0.3
13.5
COMMON TO CASE
4.65 ± 0.1
4.5 ± 0.2
6.65 ± 0.213.5
5.4 ± 0.2
2.54 ± 0.2
COMMON TO CASE
0.45
LEAD
0.01 0.1 1 10 100
0.01
0.1
1
10
DUTY RATIO (%)
ALLOWABLE FORWARD CURRENT (A)
PULSE WIDTH=10 µs
PULSE WIDTH=1 µs
PULSE WIDTH=100 µs
(Typ. Ta=25 ˚C)
700 800 900 1000
0
40
20
60
80
100
WAVELENGTH (nm)
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C, IF=50 mA)
FORWARD VOLTAGE (V)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
FORWARD CURRENT (mA)
1.0 1.5
10
10000
1000
100
2.0 2.5 3.0 3.5
FORWARD CURRENT (mA)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
RADIANT FLUX (mW)
1
1
10
1000
100
10010 1000 10000
L2690-02
L2690
-40 -20 0 20 40 60 80 100
-5
-4
-2
0
-3
-1
+1
+2
+3
AMBIENT TEMPERATURE (˚C)
RELATIVE RADIANT OUTPUT (dB)
(Typ. I
F
=50 mA)
KLEDA0009ED KLEDA0052EB
■ Emission spectrum ■ Radiant flux vs. forward current
■ Radiant output vs. ambient
temperature
■ Directivity
KLEDB0194EA
90˚
80˚
70˚
60˚
50˚
40˚
30˚
90˚
80˚
70˚
60˚
50˚
40˚
30˚
20˚10˚0˚10˚20˚
* L2690: directivity is shown within the ±70˚ range
while excluding reflective components.
020406080100 20 40 60 80 100
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C)
L2690 * L2690-02
KLEDB0125EA
KLEDB0195EA
KLEDB0117EB
■ Forward current vs. forward voltage
KLEDB0145EA
-40 -20 0 20
(Typ.)
40 60 80 100
0
40
60
80
100
AMBIENT TEMPERATURE (˚C)
RELATIVE ALLOWABLE FORWARD CURRENT (%)
20
■ Allowable forward current vs.
ambient temperature
KLEDB0027EB
■ Allowable forward current vs.
duty ratio
KLEDB0149EA
■ Dimensional outlines (unit: mm)
L2690-02L2690
