LHIR4840-PF Datasheet PDF - LIGITEK electronics

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LHIR4840-PF
LIGITEK electronics

Part Number LHIR4840-PF
Description INFRARED EMITTING DIODES
Page 8 Pages


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INFRARED EMITTING DIODES
www.DataSheet4U.com
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
Pb
Lead-Free Parts
LHIR4840-PF
DATA SHEET
DOC. NO : QW0905- LHIR4840-PF
REV. : A
DATE : 05 - Jul. - 2006



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PART NO. LHIR4840-PF
Package Dimensions
LIGITEK ELECTRONICS CO.,LTD.
www.DataSheet4U.com
Property of Ligitek Only
Page 1/7
3.8
3.0
1.5MAX
0.5
TYP
3.8
1.0
25.0MIN
1.0MIN
2.54TYP
+-
Note : 1.All dimension are in millimeter tolerance is ±0.25mm unless otherwise noted.
2.Specifications are subject to change without notice.
Features:
1. High radiant intensity.
2. Suitable for pulse applications.
3. Low average degradation.
Descriptions:
The LHIR4840-PF series are super-high efficiency Gallium Aluminum Arsenide infrared
emitting diodes encapsulated in blue diffused plastic T-1 3/4 package individually
Device Selection Guide:
PART NO
LHIR4840-PF
MATERIAL
GaAIAs/GaAs
LENS COLOR
Blue Diffused



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LIGITEK ELECTRONICS CO.,LTD.
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PART NO. LHIR4840-PF
Page 2/7
Absolute Maximum Ratings at Ta=25
Parameter
Symbol
Ratings
HIR
UNIT
Forward Current
Peak Forward Current
(300PPS,10μs Pulse)
Power Dissipation
IF
IFP
PD
50 mA
1A
100 mW
Reverse Voltagev
Electrostatic Discharge
Vr
Esd
5
2000
V
V
Operating Temperature
Storage Temperature
Topr
Tstg
-40 ~ +85
-40 ~ +85
Electrical Optical Characteristics (Aa=25)
PARAMETER
Radiant Intensity
Aperture Radiant Incidence
Peak Wavelength
Spectral Line Half Width
Forward Voltage
Reverse Current
Viewing Angle
SYMBOL Min. Typ. Max. UNIT TEST CONDITION
Le 1 3
mW/sr
IF=20mA
Ee 0.14 0.42
mW/cm2
IF=20mA
λpeak
850
nm IF=20mA
△λ 50
nm IF=20mA
VF 1.2
--- 1.6
V
IF=20mA
IR
100 μA
VR=5V
2θ1/2
142
deg
Note : 1.The forward voltage data did not including ±0.1V testing tolerance.
2. The radiant intensity data did not including ±15% testing tolerance.



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PART NO. LHIR4840-PF
LIGITEK ELECTRONICS CO.,LTD.
www.DataSheet4U.com
Property of Ligitek Only
Page 3/7
Typical Electro-Optical Characteristics Curve
HIR CHIP
Fig.1 Forward Current vs. Rorward Voltage
Fig.2 Relative Radiant Power vs. Wavelength
1000
100
10
1
0.1
0.0
1.0 2.0 3.0
Forward Voltage[V]
4.0
1.0
0.5
0.0
800
850 900
Wavelength[nm]
950
Fig.3 Relative Radiant Power
vs. Forward DC Current
10.0
Fig.4 Relative Radiant Power
vs. Forward Peak Current
10.0
1.0 1.0
0.1
1
10
IFDC[mA]
100
Fig.5 Forward DC Voltage vs. Temperature
1.2
1.1
1.0
0.9
0.8
-40 -20 0 20 40 60 80
Ambient Temperature[]
100
0.1
10
100
IFPK[mA]
1000
Fig.6 Relative Radiant Power vs. Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20 0 20 40 60 80
Ambient Temperature[]
100



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