LED
Infrared LED
Resin-potted metal package LED
L4100
Features
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High reliability
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High output power
Applications
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Auto focus
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Optical switches
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Auto control equipment
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol Condition Value Unit
Forward current IF70 mA
Reverse voltage VR5 V
Pulse forward current IFP Pulse width=10 µs
Duty ratio=1 % 0.8 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)
Parameter Symbol Condition Min. Typ. Max. Unit
Peak emission wavelength λpIF=50 mA 870 890 920 nm
Spectral half width ∆λ IF=50 mA -50 -nm
Forward voltage VFIF=50 mA - 1.45 1.60 V
Pulse forward voltage VFP IF=0.8 A - 3 3.7 V
Reverse current IRVR=5 V - - 5 µA
Radiant flux φeIF=50 mA 12 14 -mW
Radiant illuminance PEIF=50 mA - 1.3 - mW/cm2
Rise time tr IF=50 mA -0.45 0.7 µs
Fall time tf IF=50 mA - 0.45 0.7 µs
Infrared LED
L4100
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. KLED1026E01
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
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C)
80 %
40 %
60 %
20 %
20˚ 10˚ 0˚ 10˚ 20˚
90˚
80˚
50˚
40˚
30˚
70˚
60˚
90˚
80˚
50˚
40˚
30˚
70˚
60˚
100%
700 800 900 1000
0
40
20
60
80
100
WAVELENGTH (nm)
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C, I
F
=50 mA)
FORWARD VOLTAGE (V)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
FORWARD CURRENT (mA)
1.0 1.5
1
1000
100
10
2.0 2.5 3.0 3.5
FORWARD CURRENT (mA)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
RADIANT FLUX (mW)
0.1
10
1
1000
100
101 100 1000
-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)
KLEDB0037EB
KLEDA0009ED
■ Emission spectrum ■ Radiant flux vs. forward current
■ Radiant output vs. ambient
temperature
■ Directivity
KLEDB0177EA
KLEDB0179EA
KLEDB0178EA
KLEDB0117EB
■ Forward current vs. forward voltage
KLEDB0145EA
-40 -20 0 20 40 60 80 100
1.30
1.40
1.35
1.45
1.50
1.55
1.60
AMBIENT TEMPERATURE (˚C)
FORWARD VOLTAGE (V)
(Typ. IF=50 mA)
■ Forward voltage vs. ambient
temperature
KLEDB0180EA
■ Allowable forward current vs.
ambient temperature
KLEDB0027EB
■ Dimensional outline (unit: mm)
-40 -20 0 20
(Typ.)
40 60 80 100
0
40
60
80
100
AMBIENT TEMPERATURE (˚C)
RELATIVE ALLOWABLE FORWARD CURRENT (%)
20
0.01 0.1 1 10 100
DUTY RATIO (%)
ALLOWABLE FORWARD CURRENT (A)
0.01
0.1
1
10 (Typ. Ta=25 ˚C)
PULSE WIDTH=1 µs
PULSE WIDTH=10 µs
PULSE WIDTH=100 µs
■ Allowable forward current vs.
duty ratio
