÷÷4.6

M

R

2

5

W

•Light Emitting Diodes LED23-PR are designed for emitting at a spectral

range around 2350 nm. Heterostructures (HS) are grown on GaSb

substrates. The output emission can be modulated by current flowing in

a forward direction.

•Light Emitting Diodes LED23-PR are developed for using in optical gas

sensors and medical diagnostics. They have stable output power and

lifetime more then 10000 hours.

•Related products: LED23-PR can be used in optical pair with our

photodiodes PD25. Our standard LED Driver provides power supply of

LED23-PR in two recommended here regimes (Quasi-CW and Pulsed).

Parameters

Min

Typ

Max

Wavelength,

µm

2.30

2.35

2.39

FWHM,

µm

0.17

0.22

0.27

Optical Power, mW

Quasi-CW @ 200 mA

Pulsed@1A

0.6

12

0.8

16

1.0

20

Switching Time, ns

10

30

50

Operating Temperature

Range,

-240

÷+50

Emitting Area,

µm

300x300

Soldering temperature

260

Package

TO-18 with Parabolic Reflector

LED23 - typical spectra at different temperatures

0,0

20,0

40,0

60,0

80,0

100,0

1600

1800

2000

2200

2400

2600

2800

3000

Wavelength, nm

T=53 C

T=24 C

LED23 - typical power vs. current

characteristic

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

0

40

80

120

160

200

Current, mA

LED23 - typical current - voltage

characteristic

-40

-30

-20

-10

0

10

20

30

40

-4

-3

-2

-1

0

1

2

Voltage,V

Far field pattern

with and without reflector

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

LED23 (without reflector)

LED23-PR (with reflector)

Package TO-18 with Reflector

Recommended regimes of operation

Quasi-CW

200 mA

250

µs

250

µs

1

µs

2 A

500

µs

f=2 kHz

f=2 kHz

Pulse