Infrared Emitter

DS208 is a high efficency infrared emitting diode in GaAIAs technology,molded in clear,white/blue grey tinted plastic packages.

Infrared Light Emitting Diode

1.GERERAL DESCRIPTION

DS208 is high output power ALGaAs infrared light emitting diode,mounted in clear epoxy package.It emits 

spectrally narrow band of radiation peaking at 940nm.

2.FEATURES

·Wide beam angle.

·Good linearity.

·High output power.

·Capable of pulse operation.

·Low cost.

3.ABSOLUTE MAXIMUM RATINGS AT Ta=25°C

PARAMETER	MAXIMUMRATING	UNIT
Power forward current	150	mW
Peak forward current	1	A
Continuous Forward Current	100	mA
Reverse voltage	5	V
Operationg temperature range	-40 to 85	°C
Storage temperature range	-40 to 85	°C
Lead soldering temperature	260 for 5 seconds	°C

4.ELECTRICAL OPTICAL CHARACTERISTICS AT Ta=25°C

PARAMETER	SYMBOL	MIN.	TYP.	MAX.	UNIT	TEST CONDITION
Radiant Intensity	Ee	8	10.2			IF=20mA
Radiant Intensity			45			IF=100mA Pulse Width=100,Duty=1%
			450			IF=1A Pulse Width=100,Duty=1%
Peak emission wavelength	λpeak		940		nm	IF=20mA
Spectral line half-width	Δλ		45		nm	IF=20mA
Forward voltage	VF		1.2	1.4	V	IF=20mA
Forward voltage			1.4	1.5	V	IF=100mA Pulse Width=100,Duty=1%
			2.6	4	V	IF=1A Pulse Width=100,Duty=1%
Reverse current	IR			10	µA	VR=5V
Viewing angle	2θ1/2		40		Deg

5.TYPICAL ELECTRICAL/OPTICAL CHARACTERISTICS CURVES

(25°C Ambient Temperature Unless Otherwise Noted)

 

 

6.DIMENSION IN MM

 

 

NOTES

1.All dimensions are in milimeters.

2.Tolerance is ±0.2 unless otherwise noted.

3.An epoxy meniscus may extend about”0.5mm”down the leads.

Infrared Emitter