Technical Data Sheet
0805 Package Infrared Chip LED
SIR17-21C/TR8
Features
․Small
double-end package
․Low
forward voltage
․Good
spectral matching to Si photo detector
․Package
in 8mm tape on 7” diameter reel
․Pb
free
․RoHS
Compliance
․The
product itself will remain within RoHS compliant version.
Descriptions
․SIR17-21C
/TR8 is an infrared emitting diode in
miniature SMD package which is molded in a
water clear plastic with flat top view lens.
․The
device is spectrally matched with silicon
photodiode and phototransistor.
Applications
․PCB
mounted infrared sensor
․Infrared
emitting for miniature light barrier
․Floppy
disk drive
․Optoelectronic
switch
․Smoke
detector
Device Selection Guide
LED Part No.
SIR
Chip
Material
GaAlAs
Lens Color
Water Clear
Everlight Electronics Co., Ltd.
Device No：DTS-172-001
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 1 of 10
Prepared by：Jaine Tsai
SIR17-21C/TR8
Package Dimensions
Notes:
1.All dimensions are in millimeters
2.Tolerances unless dimensions
±0.1mm
Absolute Maximum Ratings (Ta=25℃)
Parameter
Continuous Forward Current
Reverse Voltage
Operating Temperature
Storage Temperature
Soldering Temperature
*1
Power Dissipation at(or below)
25℃Free Air Temperature
Symbol
I
F
V
R
T
opr
T
stg
T
sol
P
d
Rating
65
5
-40 ~ +85
-40 ~ +85
260
110
Units
mA
V
℃
℃
℃
mW
Notes:
*1:Soldering time≦5 seconds.
Everlight Electronics Co., Ltd.
Device No：DTS-172-001
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 2 of 10
Prepared by：Jaine Tsai
SIR17-21C/TR8
Electro-Optical Characteristics (Ta=25℃)
Parameter
Radiant Intensity
Peak Wavelength
Spectral
Bandwidth
Forward Voltage
Reverse Current
View Angle
Symbol
Ie
λp
Δλ
I
F
=20mA
I
F
=20mA
V
F
I
R
2θ1/2
I
F
=100mA
Pulse Width≦100μs ,Duty≦1%
Condition
I
F
=20mA
I
F
=100mA
Pulse Width≦100μs ,Duty≦1%
Min.
0.2
--
--
--
--
--
--
--
Typ.
0.8
4.0
875
80
1.3
1.4
--
150
Max.
--
--
--
--
1.6
1.8
10
--
Units
mW /sr
nm
nm
I
F
=20mA
V
μA
deg
V
R
=5V
I
F
=20mA
Everlight Electronics Co., Ltd.
Device No：DTS-172-001
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 3 of 10
Prepared by：Jaine Tsai
SIR17-21C/TR8
Typical Electro-Optical Characteristics Curves
Fig.1 Forward Current vs.
Ambient Temperature
140
120
Fig.2 Spectral Distributio
n
100
80
I
F
=20mA
Ta=25° C
100
80
60
40
20
0
60
40
20
20
40
60
80
100
-40 -20 0
0
810 835 855 875 905 925 945 965 985
Fig.3 Peak Emission Wavelength
Ambient Temperature
920
Fig.4 Forward Current
vs. Forward Voltage
4
10
900
3
10
875
2
10
860
84
0
-25
1
10
0
25
50
75
100
0
1
2
3
4
Everlight Electronics Co., Ltd.
Device No：DTS-172-001
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 4 of 10
Prepared by：Jaine Tsai
SIR17-21C/TR8
Typical Electro-Optical Characteristics Curves
Fig.5 Relative Intensity vs.
Forward Current
Fig.6 Relative Radiant Intensity vs.
Angular Displacement
100
Ie-Radiant Intensity(mW/sr)
-20
-10
0
10
20
30
10
1.0
1
40
50
60
70
80
0.6 0.4 0.2
0
0.2 0.4 0.6
0.9
0.8
0.7
0
10
0
10
1
10
2
10
3
10
4
I
F
-Forward Current (mA
)
Fig.7 Relative Intensity vs.
Ambient Temperature(°C)
Fig.8 Forward Voltage vs.
Ambient Temperature(°C)
1.0
1.4
0.8
I
F
=20mA
1.3
I
F
=20mA
0.6
1.2
0.4
25
50
75
100
120
1.1
25
50
75
100
120
Everlight Electronics Co., Ltd.
Device No：DTS-172-001
http:\\www.everlight.com
Prepared date：07-20-2005
Rev 3
Page: 5 of 10
Prepared by：Jaine Tsai
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