Features
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High radiant output power
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High reliability
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Long life
Applications
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Optical switches
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Automatic control systems
LED
Infrared LED
4-pin plastic package, infrared LED
L2204/L2402/L3458 series
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol Condition Value Unit
Forward current IF65 mA
Reverse voltage VR5 V
Pulse forward current IFP Pulse width=10 µs
Duty ratio=1 % 1.0 A
Operating temperature Topr -25 to +85 °C
Storage temperature Tstg -30 to +100 °C
■ Electrical and optical characteristics (Ta=25 °C)
L2204/-01/-03 L2402/-01/-02 L3458/-01/-03
Parameter Symbol Condition Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit
Peak emission
wavelength λpIF=50 mA 920 945 970 870 890 920 870 890 920 nm
Spectral half width ∆λ IF=50 mA -45 - - 80 - - 50 -nm
Forward voltage VFIF=50 mA - 1.30 1.40 - 1.40 1.50 - 1.45 1.60 V
Pulse forward voltage VFP IF=1 A -2.3 2.6 -2.8 3.4 -3.4 4.0 V
Reverse current IRVR=5 V - - 5 - - 5 - - 5 µA
Radiant flux φeIF=50 mA 4.0 6.0 -7.0 9.0 -9.0 13.0 -mW
Radiant illuminance PEIF=50 mA -0.5- -0.8- -1.0-mW/cm
2
Rise time tr IF=50 mA, 10 to 90 % -1.2 2.0 -0.45 0.7 -0.45 0.7 µs
Fall time tf IF=50 mA, 90 to 10 % - 1.3 2.0 - 0.45 0.7 - 0.45 0.7 µs
Infrared LED
L2204/L2402/L3458 series
WAVELENGTH (nm)
(Typ. Ta=25 ˚C, IF=50 mA)
RELATIVE RADIANT OUTPUT (%)
700
0
20
100
80
60
40
800 900 1000 1100
L2402 SERIES
L3458 SERIES
L2204 SERIES
FORWARD CURRENT (mA)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
RADIANT FLUX (mW)
101
0.1
1
1000
100
10
100 1000
L2204 SERIES
L2402 SERIES
L3458 SERIES
FORWARD VOLTAGE (V)
(Typ. Ta=25 ˚C, tw=100 µs, 1 %)
FORWARD CURRENT (mA)
2.01.51.0
1
10
1000
100
2.5 3.0 3.5
L2204 SERIES
L3458 SERIES
L2402 SERIES
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C)
20˚10˚0˚10˚20˚
90˚
80˚
50˚
40˚
30˚
70˚
60˚
90˚
80˚
50˚
40˚
30˚
70˚
60˚
80 %
40 %
60 %
20 %
100 %
■ Emission spectrum
KLEDB0202EA
■ Forward current vs. forward voltage
KLEDB0203EA
KLEDB0204EA KLEDB0205EA
■ Radiant flux vs. forward current
■ Directivity
Infrared LED
L2204/L2402/L3458 series
FREQUENCY (MHz)
RELATIVE RADIANT OUTPUT (dB)
-20
0.01 0.1 1 10
-10
0
+10 (Typ. Ta=25 ˚C, IF=50 mA, Imod=1 mA)
L2204 SERIES
L2402/L3458 SERIES
AMBIENT TEMPERATURE (˚C)
(Typ. I
F
=50 mA)
RELATIVE RADIANT OUTPUT (dB)
0-20-40
-5
-4
-2
-3
-1
+3
+2
+1
0
20 40 60 80 100
L2204 SERIES
L3458 SERIES
L2402 SERIES
-40 -20 0 20
(Typ.)
40 60 80 100
0
40
60
80
100
AMBIENT TEMPERATURE (˚C)
RELATIVE ALLOWABLE FORWARD CURRENT (%)
20
DUTY RATIO (%)
(Typ. Ta=25 ˚C)
ALLOWABLE FORWARD CURRENT (A)
0.10.01
0.01
0.1
10
1
1 10 100
PULSE WIDTH=1 µs
PULSE WIDTH=100 µs
PULSE WIDTH=10 µs
■ Frequency response
KLEDB0206EA
■ Allowable forward current vs. ambient temperature
KLEDB0207EA
KLEDB0027EB KLEDB0208EA
■ Radiant output vs. ambient temperature
■ Allowable forward current vs. duty ratio
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
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.
Infrared LED
L2204/L2402/L3458 series
Cat. No. KLED1031E01
Apr. 2001 DN
CATHODE
ANODE
ANODE
ANODE
5.4 ± 0.1
10
3˚
5.5 ± 0.1
4.5 ± 0.1 5.0 ± 0.45.0 ± 0.4
0.3 MAX.0.3 MAX.
(1.0)(1.0)
0.7
0.5
2.54
(0.8)(0.8)
4.6 ± 0.2
(INCLUDING BURR)
0.25 1.0 ± 0.1
2.0 ± 0.1
5.6 ± 0.2
(INCLUDING BURR)
14.5 ± 0.3
2.54
3˚
5˚
4.5 ± 0.4
5.4 ± 0.1
0.7
5.5 ± 0.1
2.54
2.0 ± 0.1
1.0 ± 0.1
4.6 ± 0.2
(INCLUDING BURR)
4.5 ± 0.1
5.75 ± 0.2
0.25
5.6 ± 0.2
(INCLUDING BURR)
0.5
3˚
7.5 ± 5˚
5˚
3˚
10˚
CATHODE
ANODE
ANODE
ANODE
0.25
5.4 ± 0.1
5.5 ± 0.1
2.0 ± 0.1
1.0 ± 0.1
4.6 ± 0.2
(INCLUDING BURR)
4.5 ± 0.11.5 ± 0.4 1.5 ± 0.4
0.7 ± 0.3 0.7 ± 0.3
7.5 ± 0.3
0.1 ± 0.1
5.6 ± 0.2
(INCLUDING BURR)
3˚
5˚
3˚
10˚
2.54
0.7
0.5
CATHODE
ANODE
ANODE
ANODE
KLEDA0017EB
KLEDA0054EB
KLEDA0016EB
■ Dimensional outlines (unit: mm)
L2204, L2402, L3458
L2204-03, L2402-02, L3458-03
L2204-01, L2402-01, L3458-01
