Infrared light emitting diode, side-view type
SIM-22ST
The SIM-22ST is a GaAs infrared light emitting diode housed in side emission. High output with
1.5
lens.
Applications
Light source for sensors
Features
1) Compact package (4.7x4.6 mm) with lens.
2) High efficiency, high output.
3) Emission spectrum well suited to silicon detectors
(
P
= 950 nm).
4) Good current-optical output linearity.
5) Long life, high reliability.
Dimensions
(Unit : mm)
2.54
±
0.1
Notes:
1.
Tolerances are
±
0.2 unless
otherwise indicated.
2. Value in parenthese is size
at base of leads.
1.0
4.1
Gate remainder
0.3Max.
4.6
±
0.1
1.8
±
0.05
1.9
0.15
R0.5
R0.75
2-C0.7
1.5
4.7
±
0.1
2.8
2−0.65
2−0.45
R0.5
1
(2.54)
2
0.64
1 Cathode
12Min.
1.0
0.40
2 Anode
Absolute
maximum ratings
(Ta=25C)
Parameter
Forward current
Reverse voltage
Power dissipation
Pulse forward current
Operating temperature
Storage temperature
Symbol
I
F
V
R
P
D
I
FP
∗
Topr
Tstg
Limits
50
5
80
0.5
−25
to +85
−30
to +100
Unit
mA
V
mW
A
°C
°C
∗
Pulse width = 0.1ms, duty ratio 1%
Electrical
and optical characteristics
(Ta=25C)
Parameter
Emitting strength
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Response time
Cut-off frequency
Symbol
I
E
I
E
V
F
I
R
λ
P
Δλ
θ
1/2
tr
fc
tf
Min.
−
0.48
−
−
−
−
−
−
−
Typ.
0.8
1.3
1.3
−
950
40
Max.
−
1.94
1.6
10
−
−
−
−
−
Unit
mW/sr
mA
V
μA
nm
nm
deg
μs
MHz
I
F
=10mA
I
F
=10mA
∗
I
F
=50mA
V
R
=5V
I
F
=10mA
I
F
=20mA
I
F
=50mA
I
F
=50mA
I
F
=50mA
Conditions
±
30
1.0
1.0
∗
According to our measurement procedures.
www.rohm.com
c
○
2010 ROHM Co., Ltd. All rights reserved.
1/2
2010.06 - Rev.B
SIM-22ST
Electrical
and optical characteristic curves
70
Data Sheet
14
EMITTING STRENGTH I : I
E
(mW / Sr)
FORWARD CURRENT : I
F
(mA)
FORWARD CURRENT : I
F
(
mA)
50
60
50
40
30
20
10
0
0
−25°C
0
°C
25
°C
50
°C
75
°C
12
10
8
6
4
2
0
0
40
30
20
10
0
−20
0
20
40
60
80
100
AMBIENT TEMPERATURE : Ta(
°C)
0.4
0.8
1.2
1.6
10
20
30
40
50
FORWARD VOLTAGE : V
F
(
V)
FORWARD CURRENT : I
F
(mA)
Fig.1 Forward current falloff
Fig.2 Forward current vs. forward voltage
Fig.3 Emitting strength vs.
forward current
RELATIVE EMITTING STRENGTH : I
E
(%)
100
200
RELATIVE OPTICAL OUTPUT : P
O
(%)
80
100
60
50
40
20
20
10
−25
0
25
50
75
100
0
900
920
940
960
980
1000
AMBIENT TEMPERATURE : Ta (
°C)
OPTICAL WAVELENGTH :
λ
(
nm)
Fig.4 Relative emitting strength vs.
ambient temperature
Fig.5 Wavelength
20°
30°
40°
50°
10°
0°
100
RELATIVE EMITTING STRENGTH (%)
80
60
60°
40
70°
80°
90°
100
20
80
60
40
20
0
0
10° 20° 30° 40° 50° 60° 70° 80° 90°
ANGULAR DISPLACEMENT :
θ
(deg)
RELATIVE EMITTING STRENGTH (%)
Fig. 6 Directional pattern
www.rohm.com
c
○
2010 ROHM Co., Ltd. All rights reserved.
2/2
2010.06 - Rev.B
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the
consent of ROHM Co.,Ltd.
The content specified herein is subject to change for improvement without notice.
The content specified herein is for the purpose of introducing ROHM's products (hereinafter
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,
which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
Great care was taken in ensuring the accuracy of the information specified in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.
The Products specified in this document are intended to be used with general-use electronic
equipment or devices (such as audio visual equipment, office-automation equipment, commu-
nication devices, electronic appliances and amusement devices).
The Products specified in this document are not designed to be radiation tolerant.
While ROHM always makes efforts to enhance the quality and reliability of its Products, a
Product may fail or malfunction for a variety of reasons.
Please be sure to implement in your equipment using the Products safety measures to guard
against the possibility of physical injury, fire or any other damage caused in the event of the
failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed
scope or not in accordance with the instruction manual.
The Products are not designed or manufactured to be used with any equipment, device or
system which requires an extremely high level of reliability the failure or malfunction of which
may result in a direct threat to human life or create a risk of human injury (such as a medical
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-
controller or other safety device). ROHM shall bear no responsibility in any way for use of any
of the Products for the above special purposes. If a Product is intended to be used for any
such special purpose, please contact a ROHM sales representative before purchasing.
If you intend to export or ship overseas any Product or technology specified herein that may
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to
obtain a license or permit under the Law.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact us.
ROHM Customer Support System
http://www.rohm.com/contact/
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
R1010A
京公网安备 11010802033920号
EEWORLD
