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Transmissive Photosensors (Photo Interrupters)
CNA1003H
Photo Interrupter
For contactless SW, object detection Outline
CNA1003H is a transmittive photosensor in which a high efficiency GaAs infrared light emitting diode is used as the light emitting element, and a high sensitivity phototransistor is used as the light detecting element. The two elements are arranged so as to face each other, and objects passing between them are detected.
Mark for indicating LED side A
2.20.15
Unit : mm
0.50.1
A' 14.0 5.00.15
10.0
Optical center
(7.5)
7.0 min. 2.5
Features
Highly precise position detection : 0.3 mm Gap width : 5 mm With printed wiring board (PWB) positioning pins
2
(2-0.45) (10.0)
0.7
2.350.1 3
, ,,,
SEC. A-A' 6.0 C1.0 2-o0.70.1 (2-0.45) (2.54) 2 3
5.20.1
1 6.60.1
4
1 Pin connection
4
Absolute Maximum Ratings (Ta = 25C)
Parameter Input (Light Forward current (DC) emitting diode) Power dissipation Collector current Reverse voltage (DC) Symbol Ratings VR IF PD*1 IC 3 50 75 20 30 5 100 - 40 to +100 Unit V mA mW mA V V mW C C
1: Anode 3: Collecter 2: Cathode 4: Emitter (Note) 1. Tolerance unless otherwise specified is 0.3 2. ( ) Dimension is reference
*1
Output (Photo Collector to emitter voltage VCEO transistor) Emitter to collector voltage VECO Collector power dissipation Temperature Operating ambient temperature Storage temperature PC*2 Tstg
Input power derating ratio is 1.0 mW/C at Ta 25C. *2 Output power derating ratio is 1.33 mW/C at Ta 25C.
Topr -25 to +85
Electrical Characteristics (Ta = 25C)
Parameter Forward voltage (DC) Input characteristics Reverse current (DC) Output characteristics Collector cutoff current Collector current Symbol VF IR ICEO IC VR = 3V VCE = 10V VCE = 5V, IF = 20mA 0.5 5 10 Conditions IF = 20mA min typ 1.25 max 1.4 10 200 15 0.4 Unit V A nA mA V s
Transfer characteristics Collector to emitter saturation voltage VCE(sat) IF = 40mA, IC = 1mA Response time tr , tf* VCC = 5V, IC = 1mA, RL = 100
*
Switching time measurement circuit
Sig.IN VCC (Input pulse) Sig.OUT (Output pulse) 90% 10% td tr tf
,,
,,
50
RL
td : Delay time tr : Rise time (Time required for the collector current to increase from 10% to 90% of its final value) tf : Fall time (Time required for the collector current to decrease from 90% to 10% of its initial value)
1
Transmissive Photosensors (Photo Interrupters)
CNA1003H
IF , IC -- Ta
60 60
IF -- V F
10 2 Ta = 25C
IC -- I F
VCE = 5V Ta = 25C
IF , IC (mA)
50
IF
50
IC (mA) Collector current
Forward current, collector current
40
IF (mA)
10
40
Forward current
30 IC
30
1
20
20
10 -1
10
10
0 - 25
0
20
40
60
80
100
0
0
0.4
0.8
1.2
1.6
2.0
2.4
10 -2 10 -1
1
10
10 2
Ambient temperature Ta (C )
Forward voltage VF (V)
Forward current IF (mA)
VF -- Ta
1.6 10 2
IC -- VCE
160 Ta = 25C IF = 50mA
IC -- Ta
VCE = 5V IF = 20mA
IC (mA)
VF (V)
1.2
10mA
10
IF = 30mA 20mA 10mA
IC (%) Relative output current
10 2
120
Forward voltage
Collector current
1mA 0.8
1
80
0.4
10 -1
40
0 - 40 - 20
0
20
40
60
80
100
10 -2 10 -1
1
10
0 - 40 - 20
0
20
40
60
80
100
Ambient temperature Ta (C )
Collector to emitter voltage VCE (V)
Ambient temperature Ta (C )
ICEO -- Ta
10 3 VCE = 10V 10 2
tr -- I C
VCC = 5V Ta = 25C 100
IC -- d
VCE = 5V Ta = 25C IF = 20mA
10 2
IC (%)
ICEO (nA)
10
RL = 1k 500 100
80
Criterion 0
d
tr (s)
Relative output current
10
60
Dark current
1
Rise time
1
40
10 -1 10 -1
Sig.IN Sig. OUT 50
VCC Sig. OUT RL 90% 10%
20
10 -2 - 40 - 20
, ,,
10 -2 10 -1 1
tr
td
tf
102 0 0 1 2 3 4 5 6
0
20
40
60
80
100
10
Ambient temperature Ta (C )
Collector current IC (mA)
Distance d (mm)
2
,

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