ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
7/12/00
DB92236-AAS/A2
NARROW BEAM ANGLE
SIDE LOOKING INFRARED
EMITTING DIODE
IS656A
Dimensions in mm
ABSOLUTE MAXIMUM RATINGS
(25C unless otherwise specified)
Storage Temperature
-40C to + 85C
Operating Temperature
-25C to + 85C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260C
Forward Current
50mA
Peak Forward Current
1A ( note 2 )
Reverse Voltage
6V
Power Dissipation
75mW
DESCRIPTION
The IS656A is a Gallium Arsenide Infrared
Emitting Diode mounted in a lateral side looking
package. It can be used in conjunction with our
series of Schmitt Trigger Detectors - IS657A,
IS657B, IS657C, IS657D
FEATURES
l
Side looking package.
l
High output, Radiant Intensity :-
I
E
= 0.5mW min. at I
F
= 20mA
l
Narrow Beam Angle :- Typically 13
l
All electrical parameters are 100% tested
APPLICATIONS
l
Smoke detectors
l
Floppy disk drives
l
Infrared applied systems
l
VCRs, Video camera
l
Optoelectronic switches
2
1
4.0
1.5
4.0
17.5
1.05
0.6
0.45
2.54
4
4
R0.9
1.52
0.48
8
8
3.0
0.8
0.45
2.5
16.5
1
2
2. Anode
1. Cathode
ISOCOM INC
1024 S. Greenville Ave, Suite 240,
Allen, TX 75002 USA
Tel: (214) 495-0755 Fax: (214) 495-0901
e-mail info@isocom.com
http://www.isocom.com
DB92236-AAS/A2
7/12/00
PARAMETER
MIN TYP MAX UNITS TEST CONDITION
Forward Voltage (V
F
)
1.2
1.4
V
I
F
= 20mA
Peak Forward Voltage (V
FM
)
3
4
V
I
FM
= 0.5A ( note 2 )
Reverse Current (I
R
)
10
A
V
R
= 3V
Radiant Flux (I
E
)
0.5
2.0
mW
I
F
= 20mA
Peak Emission Wavelength
950
nm
I
F
= 5mA
Spectrum Radiation Bandwidth
45
nm
I
F
= 5mA
Beam Emission Angle
13
deg.
ELECTRICAL CHARACTERISTICS ( T
A
= 25C Unless otherwise noted )
Note 1
Special Selections are available on request. Please consult the factory.
Note 2
Pulse width equal to or less than 100
s, duty ratio = 0.01
DB92236-AAS/A2
7/12/00
0.1
0.5
2
Forward current I
F
(mA)
1 2 5 10 20 50 100
1 2 5 10 20 50 100
Distance to detector d (mm)
Relative radiant flux
Relative Radiant Flux vs. Distance
0.01
0.05
0.1
0.2
0.5
1.0
Radiant Flux vs. Forward
Current
Radiant flux I
E
(mW)
Ambient temperature T
A
( C )
Forward Current vs. Ambient
Temperature
Forward current I
F
(mA)
-25 0 25 50 75 100 125
10
-2
2 5 10
-1
2 5 10
0
Duty ratio
50
10
500
Peak forward current I
FM
(mA)
Peak Forward Current vs.
Duty Ratio
20
1000
0
0.5
Wavelength (nm)
840 940 1040
-25 0 25 50 75 100
Ambient temperature T
A
( C )
Relative radiant flux
Relative Radiant Flux vs.
Ambient Temperature
0.1
0.2
0.5
1
2
5
Spectral Distribution
Relative radiant intensity
5
10
1.0
1
10
10
30
0
40
20
50
60
0.02
0.2
200
100
Pulse width equal to
or less than 100
s
T
A
= 25C
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