Features
l
Low forward voltage: 2.4 V (I
F
=1.0 A)
l
High radiant output power by constant voltage drive
l
Small emission spot (reflector size)
Applications
l
Auto-focus
LED
Infrared LED
Plastic package LED for camera auto-focus
L5871, L6486
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol Condition Value Unit
Forward current I.80 mA
Reverse voltage V43 V
Pulse forward current I.2 Pulse width=10 µs
Duty ratio=1 % 1.0 A
Operating temperature Topr -25 to +80 °C
Storage temperature Tstg -30 to +100 °C
■ Electrical and optical characteristics (Ta=25 °C)
L5871 L6486
Parameter Symbol Condition Min. Typ. Max. Min. Typ. Max. Unit
Peak emission wavelength lpI.=50 mA 880 900 930 880 900 930 nm
Spectral half width Dl I.=50 mA -60 - - 60 -nm
Forward voltage V.I.=50 mA - 1.35 1.45 - 1.35 1.45 V
Pulse forward voltage V.2 I.=1.0 A -2.4 2.8 -2.4 2.8 V
Reverse current I4V4=3 V --30--30µA
Radiant flux feI.=50 mA 5.0 7.0 -5.0 7.0 -mW
Radiant illuminance P-I.=50 mA - 0.7 - - 0.4 - mW/cm
Rise time tr I.=50 mA, 10 to 90 % -0.45 0.7 -0.45 0.7 µs
Fall time tf I.=50 mA, 90 to 10 % - 0.45 0.7 - 0.45 0.7 µs
1
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. ©2002 Hamamatsu Photonics K.K.
Infrared LED
L5871, L6486
Cat. No. KLED1020E02
Oct. 2002 DN
4.1 ± 0.2
(INCLUDING BURR)
1.905
(1.25)
1.95 ± 0.4 1.95 ± 0.4
0.51.77
0.9
+0.06
(REFERENCE HOLE)
4.0 ± 0.1
(1.25)
1.905
4.8 ± 0.1
5˚
6.0 ± 0.06
0.8
+0.06
-0
-0
R0.4
+0.03
-0
7.9 ± 0.3
0.25
10˚
4.7 ± 0.1
5.0 ± 0.2
(INCLUDING BURR)
5˚
10˚
NC
ANODE
CATHODE
NC
ANODE
ANODE
0.8 ± 0.1
1.8 ± 0.1
WAVELENGTH (nm)
(Typ. Ta=25 ˚C, I
F
=50 mA)
RELATIVE RADIANT OUTPUT (%)
800700
0
20
100
80
60
40
900 1000
FORWARD VOLTAGE (V)
(Typ. Ta=25 ˚C, tw=100 µs, 1 %)
FORWARD CURRENT (mA)
1.0 1.5
10
1000
100
2.0 2.5 3.0
FORWARD CURRENT (mA)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
RADIANT FLUX (mW)
10
1
10
1000
100
100 1000
AMBIENT TEMPERATURE (˚C)
(Typ. I
F
=50 mA)
RELATIVE RADIANT OUTPUT (dB)
-40 -20
-5
+3
+2
+1
0
-1
-2
-3
-4
0 20406080100
90˚
80˚
70˚
60˚
50˚
40˚
90˚
80˚
70˚
60˚
50˚
40˚
30˚30˚
20˚10˚0˚10˚20˚
RELATIVE RADIANT OUTPUT (%)
(Typ. Ta=25 ˚C)
100 %
80 %
40 %
60 %
20 % L6486
L5871
-40 -20 0 20 40 60 80 100
0
40
60
80
100
AMBIENT TEMPERATURE (˚C)
RELATIVE ALLOWABLE FORWARD CURRENT (%)
20
(Typ.)
KLEDA0057EA
■ Emission spectrum ■ Radiant flux vs. forward current
■ Radiant output vs. ambient
temperature
■ Directivity
KLEDB0151EA
KLEDB0152EB
KLEDB0198EA
KLEDB0138EB
■ Forward current vs. forward voltage
KLEDB0200EA
■ Allowable forward current vs. ambient
temperature
KLEDB0027EB
■ Dimensional outline (unit: mm)■ Allowable forward current vs.
duty ratio
KLEDB0038EA
0.01
DUTY RATIO (%)
ALLOWABLE FORWARD CURRENT (A)
0.01
0.1 1 10 100
0.1
1
10
PULSE WIDTH=1 µs
(Typ.
Ta=25
˚C)
PULSE WIDTH=100 µs
PULSE WIDTH=10 µs
2