ISTS802A Datasheet PDF - ISOCOM

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ISTS802A
ISOCOM

Part Number ISTS802A
Description (ISTS802x) 0.5mm APERTURE OPTO-ELECTRONIC SINGLE CHANNEL WIDE GAP SLOTTED INTERRUPTER SWITCHES
Page 3 Pages


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ISTS802, ISTS802A, ISTS802B, ISTS802C
0.5mm APERTURE OPTO-ELECTRONIC SINGLE
CHANNEL WIDE GAP SLOTTED INTERRUPTER
SWITCHES WITH TRANSISTOR SENSORS
DESCRIPTION
3.3
The ISTS802 series of opaque photointerrupters DIA
are single channel switches consisting of a
1
Gallium Arsenide infrared emitting diode and a
NPN silicon photo transistor mounted in a
polycarbonate housing. The package is designed
2
to optimise the mechanical resolution, coupling
efficiency, ambient light rejection, cost and
reliability. Operating on the principle that objects
opaque to infrared will interrupt the transmission
11.3
10.9
of light between an infrared emitting diode and a
photo sensor switching the output from an "ON"
state to an "OFF" state.
20.2
17.2
+
E
14.2
5.0
FEATURES
l High Sensing Accuracy Aperture - 0.5mm
l 5mm Gap between LED and Detector
l Also available with flying leads, with or
without connector, supplied as required
APPLICATIONS
l Copiers, Printers, Facsimilies, Record
Players, Casette Decks, Optoelectronic
Switches, VCR's
14
ISTS802A 10.16
1
0.5
2
26.2
20.2
+
E
14.2
5.0
8.3
7.9
23
ISTS802B 10.16
Dimensions in mm
4
0.5
3
8.3
7.9
0.45
0.40
6.6
3.3
3.0
2.8
3.3
3.0
OPTICAL
CENTRE
LINE
2.54
4
3
11.3
10.9
0.45
0.40
3.3
DIA
6.6
3.3
3.0
2.8
3.3
3.0
OPTICAL
CENTRE
LINE
2.54
20.2 4
1 17.2
0.5
+
E
2 14.2
3
5.0
8.3 11.3
7.9 10.9
ISTS802 10.16
0.45
0.40
3.3
DIA
6.6
3.3
3.0
2.8
3.3
3.0
OPTICAL
CENTRE
LINE
2.54
1
0.5
+
E
2 14.2
5.0
8.3
7.9
ISTS802C 10.16
4
3
11.3
10.9
0.45
0.40
6.6
3.3
3.0
2.8
OPTICAL
CENTRE
LINE
2.54
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
24/9/97
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
DB91084-AAS/A1



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ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)
Storage Temperature
-40°C to + 85°C
Operating Temperature
-25°C to + 85°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C
INPUT DIODE
Forward Current
Reverse Voltage
Power Dissipation
50mA
5V
75mW
OUTPUT TRANSISTOR
Collector-emitter Voltage BV
CEO
Emitter-collector Voltage BV
ECO
Collector Current I
C
Power Dissipation
30V
5V
20mA
75mW
ELECTRICAL CHARACTERISTICS ( T = 25°C Unless otherwise noted )
A
PARAMETER
MIN TYP MAX UNITS
TEST CONDITION
Input
Forward Voltage (VF)
Reverse Voltage (VR)
Reverse Current (IR)
1.0 1.15 1.3 V
3V
10 µA
IF = 10mA
IR = 10µA
VR = 3V
Output Collector-emitter Breakdown (BVCEO) 30
( Note 1 )
V IC = 1mA
Emitter-collector Breakdown (BVECO) 5
V IE = 100µA
Collector-emitter Dark Current (ICEO)
100 nA
VCE = 24V
Coupled Current Transfer Ratio ( CTR )
2
( Note 1 )
% 20mA IF , 5V VCE
Collector-emitter Saturation VoltageVCE(SAT)
0.4 V
Output Rise Time tr
Output Fall Time tf
6 µs
6 µs
Note 1 Special Selections are available on request. Please consult the factory.
20mA IF , 200µA IC
VCE = 5V ,
IC = 2mA,RL= 100
24/9/97
DB91084-AAS/A1



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Collector Power Dissipation vs. Ambient Temperature
100
75
50
25
0
-25
0 25 50 75 100 125
Ambient temperature TA ( °C )
Normalized Output Current vs.
Collector-emitter Voltage
10
4 IF = 30mA
2
1 20mA
10mA
0.4
0.2 5mA
Normalized to
0.1 I = 20mA
F
V = 5V
0.04
CE
Pulsed
0.02
0.01
T = 25°C
A
PW = 100µs
PRR = 100pps
0.1 1 10 100
Collector-emitter voltage V ( V )
CE
Forward Current vs. Ambient Temperature
60
50
40
30
20
10
0
-25
0 25 50 75 100 125
Ambient temperature TA ( °C )
Normalized Output Current
vs. Ambient Temperature
1.5
IF = 20mA
VCE = 5V
Normalized Output Current vs.
Forward Current
2.0
Normalized to
1.8 IF = 20mA
1.6 VCE = 0.4V
Pulsed
1.4 PW = 100µs
T = 25°C
A
1.2 PRR = 100pps
1.0
0.8
0.6
0.4
0.2
0
1
2 5 10 20
Forward current IF (mA)
50
Collector-emitter Saturation
Voltage vs. Ambient Temperature
0.28
0.24
IF = 20mA
0.20 IC = 200µA
1.0 0.16
0.12
0.5 0.08
0
-25
0 25 50 75
Ambient temperature TA ( °C )
100
24/9/97
0.04
0
-25
0 25 50 75 100
Ambient temperature TA ( °C )
DB91084-AAS/A1



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