Technical Data Sheet
Reverse Package Infrared LED
IR25-21C/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
․The
product itself will remain within RoHS compliant version.
Descriptions
․IR25-21C
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.
IR
Chip
Material
GaAlAs
Lens Color
Water Clear
Everlight Electronics Co., Ltd.
Device No：SZDTR-025-001
http:\\www.everlight.com
Prepared date：16-Nov-2005
Rev 1
Page: 1 of 10
Prepared by：Wu xiaowei
IR25-21C/TR8
Package Dimensions
Notes:
1.All dimensions are in millimeters
2.Tolerances unless dimensions
±0.1mm
Everlight Electronics Co., Ltd.
Device No：SZDTR-025-001
http:\\www.everlight.com
Prepared date：16-Nov-2005
Rev 1
Page: 2 of 10
Prepared by：Wu xiaowei
IR25-21C/TR8
Absolute Maximum Ratings (Ta=25℃)
Parameter
Continuous Forward Current
Reverse Voltage
Operating Temperature
Storage Temperature
Power Dissipation at(or below)
25℃Free Air Temperature
Soldering Temperature
Notes:
.
Soldering time≦5 seconds.
Symbol
I
F
V
R
T
opr
T
stg
P
d
Rating
65
5
-25 ~ +85
-40 ~ +85
130
Units
mA
V
℃
℃
mW
Reflow Soldering : 260
℃
for 10 sec.
Tsol
Hand Soldering : 350
℃
for 3 sec.
Electro-Optical Characteristics (Ta=25℃)
Parameter
Radiant Intensity
Peak Wavelength
Spectral Bandwidth
Symbol
Ee
λp
Δλ
Condition
I
F
=20mA
I
F
=100mA
Pulse Width≦100μs ,Duty≦1%
Min.
0.5
--
--
--
--
--
--
--
--
Typ.
1.5
7.5
940
45
1.2
1.4
2.6
--
160
Max.
--
--
--
--
1.5
1.8
4.0
10
--
Units
mW /sr
nm
nm
I
F
=20mA
I
F
=20mA
I
F
=20mA
I
F
=100mA
Pulse Width≦100μs ,Duty≦1%
Forward Voltage
V
F
V
I
F
=1A
Reverse Current
View Angle
I
R
2θ1/2
V
R
=5V
I
F
=20mA
μA
deg
Everlight Electronics Co., Ltd.
Device No：SZDTR-025-001
http:\\www.everlight.com
Prepared date：16-Nov-2005
Rev 1
Page: 3 of 10
Prepared by：Wu xiaowei
IR25-21C/TR8
Typical Electro-Optical Characteristics Curves
Fig.1 Forward Current vs.
Ambient Temperature
140
120
100
80
60
40
20
0
Fig.2 Spectral Distributio
n
100
80
60
40
20
0
20
40
60
80
100
I
F
=20mA
Ta=25° C
-25
0
Fig.3 Peak Emission Wavelength
Ambient Temperature
980
Fig.4 Forward Current
vs. Forward Voltage
4
10
960
3
10
940
920
2
10
900
-25
0
25
50
75
100
1
10
0
1
2
3
4
Everlight Electronics Co., Ltd.
Device No：SZDTR-025-001
http:\\www.everlight.com
Prepared date：16-Nov-2005
Rev 1
Page: 4 of 10
Prepared by：Wu xiaowei
IR25-21C/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)
2.0
I
F
=20mA
1.3
1.5
1.2
I
F
=20mA
1.0
1.1
0.5
25
1
50
75
100
120
25
50
75
100
120
Everlight Electronics Co., Ltd.
Device No：SZDTR-025-001
http:\\www.everlight.com
Prepared date：16-Nov-2005
Rev 1
Page: 5 of 10
Prepared by：Wu xiaowei
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