Hamamatsu L1939-04 300 î¼m emission spot, no electrode in emission area Datasheet

LED
Infrared LED
L1939 series
φ300 µm emission spot, no electrode in emission area
Features
Applications
l Small emission spot: φ300 µm
l Wide directivity
l High reliability, long life
l Auto-focus
l Optical switches
l Mark sensors
■ Absolute maximum ratings (Ta=25 °C)
Parameter
Forward current
Reverse voltage
Symbol
IF
VR
Pulse forward current
IFP
Operating temperature
Storage temperature
Topr
Tstg
Condition
Pulse width=10 µs
Duty ratio=1 %
Value
100
5
Unit
mA
V
1.5
A
-30 to +85
-40 to +100 *
°C
°C
* L1939 is guaranteed to resist temperature cycle test of up to 5 cycles.
■ 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
Condition
Min.
L1939
Typ.
Max.
Min.
L1939-04
Typ.
Max.
Unit
λp
IF=50 mA
870
890
920
870
890
920
nm
∆λ
VF
VFP
IR
φe
PE
tr
tf
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 %
8.0
-
50
1.4
2.7
10.0
0.4
0.45
0.45
1.5
3.4
5
0.7
0.7
2.0
-
50
1.4
2.7
2.8
0.35
0.45
0.45
1.5
3.4
5
0.7
0.7
nm
V
V
µA
mW
mW/cm2
µs
µs
Infrared LED
■ Emission spectrum
■ Forward current vs. forward voltage
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)
(Typ. Ta=25 ˚C, IF=50 mA)
10000
1000
FORWARD CURRENT (mA)
RADIANT FLUX (mW)
80
60
40
L1939
100
10
L1939-04
20
0
700
800
900
1
1000
1
100
10
WAVELENGTH (nm)
1000
FORWARD VOLTAGE (V)
30˚
40˚
40˚
L1939
50˚
50˚
60˚
60˚
L1939-04
70˚
70˚
80˚
80˚
90˚
100 80
60
40
20
0
20
40
60
90˚
80 100
RELATIVE RADIANT OUTPUT (%)
■ Allowable forward current vs.
ambient temperature
(Typ.)
+2
+1
0
-1
-2
-3
-4
-5
-40
Except for reflection ingredient of the base.
-20
0
20
40
60
80
100
AMBIENT TEMPERATURE (˚C)
KLEDB0148EA
■ Allowable forward current
vs. duty ratio
80
60
40
20
0
-40
-20
0
20
40
60
KLEDB0027EB
➁ L1939-04
5.4 ± 0.2
CLEAR EPOXY RESIN
2.3 ± 0.3
5.4 ± 0.1
4.2 ± 0.1
1
4.7 ± 0.1
GLASS WINDOW
3.0 ± 0.1
0.45
LEAD
0.45
LEAD
2.54 ± 0.2
1
DUTY RATIO (%)
10
13.5
PULSE WIDTH=100 µs
0.1
13.5
PULSE WIDTH=10 µs
0.1
100
AMBIENT TEMPERATURE (˚C)
➀ L1939
PULSE WIDTH=1 µs
0.01
0.01
80
KLEDB0145EA
1.12 ± 0.1
ALLOWABLE FORWARD CURRENT (A)
100
■ Dimensional outlines (unit: mm)
(Typ. Ta=25 ˚C)
10
KLEDB0147EA
RELATIVE ALLOWABLE FORWARD CURRENT (%)
RELATIVE RADIANT OUTPUT (dB)
(Typ. Ta=25 ˚C)
3.0
(Typ. IF=50 mA)
+3
20˚
2.5
KLEDB0146EA
■ Radiant output vs. ambient
temperature
10˚ 0˚ 10˚
2.0
1.5
FORWARD CURRENT (mA)
■ Directivity
20˚
100
10
1.0
10000
KLEDB0201EA
30˚
1000
3.6 ± 0.2
100
RELATIVE RADIANT OUTPUT (%)
■ Radiant flux vs. forward current
L1939 series
100
2.54 ± 0.2
KLEDB0149EA
COMMON TO CASE
COMMON TO CASE
KLEDA0009ED
KLEDA0053EB
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
Cat. No. KLED1023E01
Apr. 2001 DN
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