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