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