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

L2388 series

Cat. No. KLED1012E01

Apr. 2001 DN

CLEAR EPOXY RESIN

0.45

LEAD

2.54 ± 0.2

COMMON TO CASE

4.65 ± 0.1

5.4 ± 0.2

2.54 ± 0.2

COMMON TO CASE

0.45

LEAD

800

0

20

40

60

80

100

WAVELENGTH (nm)

900

1100

1000

FORWARD VOLTAGE (V)

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

1.5

1.0

1

10

1000

100

2.0

2.5

FORWARD CURRENT (mA)

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

10

1

0.1

1

1000

100

10

100

1000

L2388-01

L2388

AMBIENT TEMPERATURE (˚C)

0

-20

-40

-5

-4

-2

-3

-1

+3

+2

+1

0

20

40

60

80

100

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˚

L2388-01

L2388

-40

-20

0

20

(Typ.)

40

60

80

100

0

40

60

80

100

AMBIENT TEMPERATURE (˚C)

20

0.01

DUTY RATIO (%)

0.01

0.1

1

10

100

0.1

1

10

(Typ. Ta=25 ˚C)

PULSE WIDTH=100

µs

PULSE WIDTH=10

µs

s Dimensional outlines (unit: mm)

KLEDA0009ED

KLEDA0052EB

s Emission spectrum

s Radiant flux vs. forward current

s Radiant output vs. ambient

temperature

s Directivity

KLEDB0209EA

KLEDB0123EA

KLEDB0210EA

KLEDB0122EA

s Forward current vs. forward voltage

KLEDB0211EA

s Allowable forward current vs.

ambient temperature

KLEDB0027EB

➀ L2388

➁ L2388-01

s Allowable forward current

vs. duty ratio

KLEDB0038EA