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

L6437 series

Cat. No. KLED1027E01

Apr. 2001 DN

4.1 ± 0.2

(INCLUDING BURR)

1.95 ± 0.4

1.95 ± 0.4

0.9

+0.06

(REFERENCE HOLE)

4.0 ± 0.1

1.5 ± 0.4

6.0 ± 0.06

-0

R0.4

+0.03

-0

7.9 ± 0.3

1.5 ± 0.4

7.0 ± 0.3

NC

CATHODE

ANODE

NC

CATHODE

CATHODE

0.8 ± 0.1

1.8 ± 0.1

0.7 ± 0.3

0.7 ± 0.3

4.1 ± 0.2

(INCLUDING BURR)

(1.25)

1.95 ± 0.4

1.95 ± 0.4

0.9

+0.06

(REFERENCE HOLE)

4.0 ± 0.1

(1.25)

6.0 ± 0.06

-0

R0.4

+0.03

-0

7.9 ± 0.3

NC

CATHODE

ANODE

NC

CATHODE

CATHODE

0.8 ± 0.1

1.8 ± 0.1

800

900

1000

1100

0

40

20

60

80

100

WAVELENGTH (nm)

FORWARD VOLTAGE (V)

(Typ. Ta=25 ˚C, tw=100

µs, 1 %)

1.0

1.5

1

1000

100

10

2.0

2.5

3.0

FORWARD CURRENT (mA)

(Typ. Ta=25 ˚C, tw=100

µs, 0.1 %)

0.1

0.1

10

1

1000

100

10

1

100

1000

-40

-20

0

20

40

60

80

100

-5

-3

-4

-2

0

-1

+1

+2

AMBIENT TEMPERATURE (˚C)

(Typ. Ta=25 ˚C)

20 %

20˚

10˚

0˚

10˚

20˚

90˚

80˚

50˚

40˚

30˚

70˚

60˚

90˚

80˚

50˚

40˚

30˚

70˚

60˚

RELATIVE RADIANT OUTPUT (%)

-40

-20

0

20

(Typ.)

40

60

80

100

0

40

60

80

100

AMBIENT TEMPERATURE (˚C)

20

KLEDA0062EA

s Emission spectrum

s Radiant flux vs. forward current

s Radiant output vs. ambient

temperature

s Directivity

KLEDB0182EA

KLEDB0071EB

KLEDB0183EA

KLEDB0181EA

s Forward current vs. forward voltage

KLEDB0184EA

s Allowable forward current vs. ambient

temperature

KLEDB0027EB

s Dimensional outlines (unit: mm)

KLEDA0031EB

➁ L6437-01

➀ L6437