HAMAMATSU L1915-02, L1915-01, L1915 Datasheet

LED

Infrared LED

L1915 series

TO-46 type GaAlAs infrared LED

L1915 is mounted on a TO-46 metal stem potted with clear epoxy resin. L1915-01 is encapsulated in a TO-46 package sealed with a glass lens
window. L1915-02 is also encapsulated in a TO-46 package but sealed with a flat glass window.

Features

l

High radiant output power

l

Direct modulation possible

l

High reliability and long life

Absolute maximum ratings (Ta=25 °C)

■

Parameter Symbol Condition Value Unit

Forward current I
Reverse voltage V

Pulse forward current I

Operating temperature Topr -30 to +85
Storage temperature Tstg -40 to +100 *

* L1915 is guaranteed to resist temperature cycle test of up to 5 cycles.

.

4

Pulse width=10 µs

.2

Duty ratio=1 %

Applications

l

Auto-focus

l

Automatic control systems

l

Optical switches

l

Mark sensors

l

Optical remote control

100 mA

1.5 A

5 V

°C
°C

Electrical and optical characteristics (Ta=25 °C)

■

Parameter Symbol Condition

Peak emission wavelength
Spectral half width
Forward voltage V
Pulse forward voltage V
Reverse current I
Radiant flux
Radiant illuminance P
Rise time tr I.=50 mA, 10 to 90 % - 0.45 0.7 - 0.45 0.7 - 0.45 0.7 µs
Fall time tf I.=50 mA, 90 to 10 % - 0.45 0.7 - 0.45 0.7 - 0.45 0.7 µs

I.=50 mA 870 890 920 870 890 920 870 890 920 nm

lp

I.=50 mA - 80 - - 80 - - 80 - nm

Dl

=50 mA - 1.4 1.5 - 1.4 1.5 - 1.4 1.5 V

.I.

=1.5 A - 3.1 3.8 - 3.1 3.8 - 3.1 3.8 V

.2I.

V4=5 V --5--5--5 µA

4

I.=50 mA 8 10 - 3.6 4.5 - 3.6 4.5 - mW

fe

=50 mA -1.0- -2.7- -1.0-mW/cm

-I.

L1915 L1915-01 L1915-02

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.

Unit

Infrared LED

L1915 series

■ Emission spectrum

100

80

60

40

20

RELATIVE RADIANT OUTPUT (%)

0

700 800 900 1000

WAVELENGTH (nm)

■ Directivity

20˚ 10˚ 0˚ 10˚ 20˚

100

L1915-01

%

80 %

60 %

40 %

20
%

30˚

L1915

40˚

50˚

60˚

70˚

80˚

90˚

RELATIVE RADIANT OUTPUT (%)

(Typ. Ta=25 ˚C, IF=50 mA)

(Typ. Ta=25 ˚C)

L1915-02

30˚

40˚

50˚

60˚

70˚

80˚

90˚

KLEDB0141EA

■ Radiant flux vs. forward current ■ Forward current vs. forward voltage

1000

100

10

RADIANT FLUX (mW)

1

1 10 100 1000 10000

KLEDB0117EB

FORWARD CURRENT (mA)

■ Radiant output vs. ambient
temperature

+3

+2

+1

0

-1

-2

-3

-4

RELATIVE RADIANT OUTPUT (dB)

-5

-40 -20 0 20 40 60 80 100

AMBIENT TEMPERATURE (˚C)

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

L1915

L1915-01/-02

(Typ. IF=50 mA)

10000

1000

100

10

FORWARD CURRENT (mA)

1

1.0 1.5 2.0 2.5 3.53.0

KLEDB0139EB

■ Allowable forward current
vs. ambient temperature

100

80

60

40

20

RELATIVE ALLOWABLE FORWARD CURRENT (%)

0

-40 -20 0 20

KLEDB0150EA

(Typ. Ta=25 ˚C, tw=100 µs, 0.1 %)

FORWARD VOLTAGE (V)

40 60 80 100

AMBIENT TEMPERATURE (˚C)

KLEDB0140EB

(Typ.)

KLEDB0027EB

■ Dimensional outlines (unit: mm)

L1915 L1915-01 L1915-02

CLEAR EPOXY RESIN

5.4 ± 0.1

4.2 ± 0.1

5.4 ± 0.2

4.65 ± 0.1

2.3 ± 0.3

0.45
LEAD

2.54 ± 0.2

13.5

1.12 ± 0.1

0.45
LEAD

6.65 ± 0.213.5

4.5 ± 0.2

0.45
LEAD

2.54 ± 0.2

COMMON TO CASE

COMMON TO CASE

KLEDA0009ED KLEDA0052EB 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. ©2002 Hamamatsu Photonics K.K.

COMMON TO CASE

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]

5.4 ± 0.2

4.7 ± 0.1

GLASS WINDOW

3.0 ± 0.1

2.54 ± 0.2

3.6 ± 0.2

13.5

Cat. No. KLED1013E02
Dec. 2002 DN