HAMAMATSU L6437-01, L6437 Datasheet

LED

Infrared LED

L6437 series

High radiant output GaAs LED with position reference hole

Features

l

Lead frame package with position reference hole

l

Small package

l

High radiant output power

Absolute maximum ratings (Ta=25 °C)

■

Parameter Symbol Condition Value Unit

Forward current I
Reverse voltage V

Pulse forward current I

Operating temperature Topr -25 to +80
Storage temperature Tstg -30 to +100

Electrical and optical characteristics (Ta=25 °C)

■

Parameter Symbol Condition Min. Typ. Max. Unit

Peak emission wavelength
Spectral half width
Forward voltage V
Pulse forward voltage V
Reverse current I
Radiant flux
Radiant illuminance P
Rise time tr IF=50 mA, 10 to 90 % - 2.0 3.0 µs
Fall time tf IF=50 mA, 90 to 10 % - 1.0 2.0 µs

F

R

Pulse width=10 µs

FP

Duty ratio=1 %

IF=50 mA 920 945 970 nm

p

λ

IF=50 mA - 60 - nm

∆λ

FIF

=50 mA - 1.35 1.45 V

FPIF

=1.0 A - 2.5 3.1 V

R

VR=5 V - - 20 µA
IF=50 mA 7.0 10.0 - mW

e

φ

EIF

=50 mA - 0.5 - mW/cm

Applications

l

Auto-focus

l

Optical switch

65 mA

5 V

1.0 A

°
°

C
C

2

Infrared LED

1

905

1

905

FORWARD VOLTAGE (V)

(Typ. Ta=25 ˚C, tw=100 µs, 1 %)

FORWARD CURRENT (mA)

1.0 1.5

1

1000

100

10

2.0 2.5 3.0

-40 -20 0 20

(Typ.)

40 60 80 100

0

40

60

80

100

AMBIENT TEMPERATURE (˚C)

RELATIVE ALLOWABLE FORWARD CURRENT (%)

20

L6437 series

■ Emission spectrum ■ Radiant flux vs. forward current

100

80

60

40

20

RELATIVE RADIANT OUTPUT (%)

0

800 900 1000 1100

WAVELENGTH (nm)

■ Directivity

20˚ 10˚ 0˚ 10˚ 20˚

30˚

40˚

50˚

60˚

70˚

80˚

90˚

RELATIVE RADIANT OUTPUT (%)

(Typ. Ta=25 ˚C, IF=50 mA)

100 %

80 %

60 %

40 %

20 %

KLEDB0181EA

(Typ. Ta=25 ˚C)

30˚

1000

100

10

RADIANT FLUX (mW)

1

0.1

0.1

■ Radiant output vs. ambient

temperature

+2

40˚

50˚

60˚

70˚

80˚

90˚

KLEDB0071EB

+1

0

-1

-2

-3

-4

RELATIVE RADIANT OUTPUT (dB)

-5

-40 -20 0 20 40 60 80 100

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

101 100 1000

FORWARD CURRENT (mA)

(Typ. IF=50 mA)

AMBIENT TEMPERATURE (˚C)

■ Forward current vs. forward voltage

KLEDB0182EA

■ Allowable forward current vs. ambient

temperature

KLEDB0184EA

KLEDB0183EA

KLEDB0027EB

■ Dimensional outlines (unit: mm)
➁ L6437-01➀ L6437

6.0 ± 0.06

4.1 ± 0.2

(INCLUDING BURR)

-0

+0.06

0.8

.

.

+0.03

0.4

-0

1.95 ± 0.4 1.95 ± 0.4

(1.25)

(1.25)

4.0 ± 0.1

7.9 ± 0.3

10˚

0.25

0.51.77

+0.06

0.9

-0

(REFERENCE HOLE)

4.7 ± 0.1

5.0 ± 0.2

10˚

(INCLUDING BURR)

0.8 ± 0.1

1.8 ± 0.1

NC
CATHODE
ANODE
NC
CATHODE
CATHODE

5˚

4.8 ± 0.1

+0.06

1.905

1.905

+0.03

R0.4

-0

1.5 ± 0.4

1.95 ± 0.4 1.95 ± 0.4

0.7 ± 0.3 0.7 ± 0.3

5˚

KLEDA0031EB

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: [phone], Fax: [phone], 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: [phone], Fax: [phone]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: [phone], Fax: [phone]
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]

-0

0.8

0.25

0.25

6.0 ± 0.06

4.1 ± 0.2

(INCLUDING BURR)

4.0 ± 0.1

7.9 ± 0.3

7.0 ± 0.3

10˚

5˚

0.1 ± 0.1

0.51.77

+0.06

0.9

-0

(REFERENCE HOLE)

1.5 ± 0.4

4.7 ± 0.1

5.0 ± 0.2

10˚

(INCLUDING BURR)

0.8 ± 0.1

1.8 ± 0.1

NC
CATHODE
ANODE
NC
CATHODE
CATHODE

4.8 ± 0.1

5˚

KLEDA0062EA

Cat. No. KLED1027E01
Apr. 2001 DN