H21A1, H21A2, H21A3,
H22A1, H22A2, H22A3,
1mm APERTURE OPTO-ELECTRONIC SINGLE
CHANNEL SLOTTED INTERRUPTER
SWITCHES WITH TRANSISTOR SENSORS
1
25.0
24.4
19.05
E
2
12.6
9.0
8.5
10.0
min
4
S
3
3.0
6.6
3.3
3.0
11.1
10.5
8.3
8.0
Sq Typ
0.64
0.38
Dimensions in mm
3.3
DIA 2
PLCS
1
2
2.8
OPTICAL
CENTRE
LINE
1
H21A Type
Device will be
Marked " H21A "
S
12.6
3.0
2.7
2.4
2.54
E
2
DESCRIPTION
The H21A_ and H22A_ series of opaque
photointerrupters are single channel switches
consisting of a Gallium Arsenide infrared
emitting diode and a NPN silicon photo transistor
mounted in a polycarbonate housing. The
package is designed 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 of light between an
infrared emitting diode and a photo sensor
switching the output from an "ON" state to an
"OFF" state.
FEATURES
z
High Gain
z
3mm Gap between LED and Detector
z
Polycarbonate case protected against
ambient light
APPLICATIONS
z
Copiers, Printers, Facsimilies, Record
Players, Casette Decks, Optoelectronic
Switches
9.0
8.5
10.0
min
4
3
6.6
11.1
10.5
8.3
8.0
Sq Typ
0.64
0.38
3.3
3.0
2.8
OPTICAL
CENTRE
LINE
2.54
4
3
H22A Type
Device will be
Marked " H22A "
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 BVCEO
30V
Emitter-collector Voltage BVECO
Collector Current IC
Power Dissipation
5V
20mA
75mW
ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, TS25 1YD England Tel: (01429)863609
Fax : (01429) 863581 e-mail sales@isocom.co.uk
http://www.isocom.com
21/6/10
DB92168L
ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted )
PARAMETER
Input
Output
Coupled
MIN TYP MAX UNITS
Forward Voltage (VF)
Reverse Voltage (VR)
Reverse Current (IR)
5
Collector-emitter Breakdown (BVCEO)
30
Emitter-collector Breakdown (BVECO)
Collector-emitter Dark Current (ICEO)
5
On-State Collector Current IC ( ON )
( Note 1 )
H21A1, H22A1
H21A2, H22A2
H21A3, H22A3
1.2
100
100
0.15
1.0
1.9
0.3
2.0
3.0
0.6
4.0
5.5
Collector-emitter Saturation VoltageVCE(SAT)
H21A2, 3, H22A2, 3
H21A1, H22A1
Turn-on Time
Turn-off Time
Note 1
21/6/10
ton
toff
1.7
0.4
0.4
8
50
TEST CONDITION
V
V
μA
IF = 50mA
IR = 100μA
VR = 5V
V
IC = 1mA
V
nA
IE = 100μA
VCE = 10V
mA
mA
mA
mA
mA
mA
mA
mA
mA
5mA IF , 5V VCE
20mA IF , 5V VCE
30mA IF , 5V VCE
5mA IF , 5V VCE
20mA IF , 5V VCE
30mA IF , 5V VCE
5mA IF , 5V VCE
20mA IF , 5V VCE
30mA IF , 5V VCE
V
V
20mA IF , 1.8mA IC
30mA IF , 1.8mA IC
μs
μs
VCC = 5V ,
IF = 30mA,RL= 2.5kΩ
Special Selections are available on request. Please consult the factory.
DB92168L
Normalized Output Current vs.
Collector-emitter Voltage
Collector Power Dissipation vs. Ambient Temperature
10
Normalized output current
Collector power dissipation PC (mW)
100
75
50
25
IF = 50mA
4
2
30mA
20mA
1
0.4
0.2
0.1
0.04
0.02
TA = 25°C
0.01
0
-25
0
25
50
75
100
0.1
125
1
10
100
Collector-emitter voltage VCE ( V )
Ambient temperature TA ( °C )
Forward Current vs. Ambient Temperature
Normalized Output Current vs.
Forward Current
2.0
60
Normalized to
IF = 30mA
VCE = 0.4V
Pulsed
PW = 100μs
PRR = 100pps
1.8
Normalized output current
50
Forward current IF (mA)
10mA
5mA
Normalized to
IF = 20mA
VCE = 5V
Pulsed
PW = 100μs
PRR = 100pps
40
30
20
10
1.6
1.4
1.2
TA = 25°C
1.0
0.8
0.6
0.4
0.2
0
0
0
25
75
100
125
5
10
20
Normalized Output Current
vs. Ambient Temperature
Collector-emitter Saturation
Voltage vs. Ambient Temperature
1.0
0.5
0
0
25
50
75
Ambient temperature TA ( °C )
21/6/10
2
Forward current IF (mA)
IF = 20mA
VCE = 5V
-25
1
Ambient temperature TA ( °C )
1.5
Normalized output current
50
100
Collector-emitter saturation voltage VCE(SAT) (V)
-25
50
0.28
0.24
IF = 30mA
IC = 1.8mA
0.20
0.16
0.12
0.08
0.04
0
-25
0
25
50
75
Ambient temperature TA ( °C )
DB92168L
100
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