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

L1909

Cat. No. KLED1014E01

Apr. 2001 DN

s Emission spectrum

KLEDB0117EB

700

800

900

1000

0

20

40

60

80

100

WAVELENGTH (nm)

s Allowable forward current vs. duty ratio

KLEDB0038EA

0.01

DUTY RATIO (%)

0.01

0.1

1

10

100

0.1

1

10

PULSE WIDTH=1

µs

(Typ. Ta=25 ˚C)

100

µs

10

µs

s Radiant flux vs. forward current

KLEDB0120EA

s Forward current vs. forward voltage

KLEDB0121EA

1.0

1.5

2.0

2.5

3.0

1

10

100

1000

FORWARD VOLTAGE (V)

(Typ. Ta=25 ˚C, tw=100 µs, 1 %)

KLEDB0118EA

KLEDB0150EA

KLEDB0027EB

RELATIVE RADIANT OUTPUT (%)

(Typ. Ta=25 ˚C)

20 %

20˚

10˚

0˚

10˚

20˚

90˚

80˚

50˚

40˚

30˚

70˚

60˚

90˚

80˚

50˚

40˚

30˚

70˚

60˚

100

%

-40

-20

0

20

40

60

80

100

-5

-4

-2

0

-3

-1

+1

+3

+2

-40

-20

0

20

(Typ.)

40

60

80

100

0

40

60

80

100

20

s Dimensional outline (unit: mm)

CLEAR EPOXY RESIN

0.45

LEAD

2.54 ± 0.2

COMMON TO CASE

1

10

100

1000

0.1

1

10

100

1000

FORWARD CURRENT (mA)

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

KLEDA0009ED

s Directivity

s Radiant output vs. ambient

temperature

s Allowable forward current

vs. ambient temperature