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Reflective Photosensors (Photo Reflectors)
CNB1303
Reflective Photosensor
Overview
CNB1303 is a small, thin reflective photosensor consisting of a high efficiency GaAs infrared light emitting diode which is integrated with a high sensitivity Si phototransistor in a single resin package.
Unit : mm
Mark for indicating emitter side C0.5 1 3
9.01.0 2.00.2
Ultraminiature, thin type : 2.7 x 3.4 mm (height : 1.5 mm) Visible light cutoff resin is used Fast response : tr, tf = 20s (typ.) Easy interface for control circuit
9.01.0
2.70.2 0.4
Features
Chip center
4-0.7 4-0.5 0.1 2 1.8
1.50.2 2.00.2
4
0.5 0.15
Control of motor and other rotary units Detection of position and edge Detection of paper, film and cloth Start, end mark detection of magnetic tape
Absolute Maximum Ratings (Ta = 25C)
Parameter Input (Light Forward current (DC) emitting diode) Power dissipation Collector current Output (Photo Collector to emitter voltage transistor) Emitter to collector voltage Collector power dissipation Temperature Operating ambient temperature Storage temperature Reverse voltage (DC) Symbol Ratings VR IF PD*1 IC VCEO VECO PC
*2
Unit V mA mW mA V V mW C C
*1
3 50 75 20 30 5 50 -25 to +85
Topr
Tstg -30 to +100
Input power derating ratio is 1.0 mW/C at Ta 25C. *2 Output power derating ratio is 0.67 mW/C at Ta 25C.
Electrical Characteristics (Ta = 25C)
Parameter Input Reverse current (DC) characteristics Capacitance between terminals Output characteristics Collector cutoff current Collector current Leakage current Transfer characteristics Response time
*1 I
Symbol VF IR Ct ICEO ID IF = 50mA VR = 3V
Conditions
min
Forward voltage (DC)
VR = 0V, f = 1MHz VCE = 10V 90 VCC = 5V, IF = 10mA, RL = 100
IC*1, *2 VCC = 5V, IF = 10mA, RL = 100, d = 1mm tr*3 , tf*4 VCC = 5V, IC = 0.1mA, RL = 100
Collector to emitter saturation voltage VCE(sat) IF = 20mA, IC = 0.1mA
C
classifications Class IC (A) Q 90 to 220 R 180 to 440 S 360 to 880
*2 Output
current measurement method
*3 Time *4 Time
,, ,
VCC
required for the output current to increase from 10% to 90% of its final value required for the output current to decrease from 90% to 10% of its initial value
IF
, ,,
3 41 2 Pin connection
Applications
3.40.3
typ 1.3 0.01 30
max 1.5 10 200 880 200
Unit V A pF nA A nA s V
20 0.4
, ,,, ,,, ,,, ,,, ,,,
IC RL
Evaporated Al Glass plate (t = 1mm)
1
CNB1303
Reflective Photosensors (Photo Reflectors)
IF , IC -- Ta
60 60
IF -- VF
1.6 Ta = 25C
VF -- Ta
IF , IC (mA)
50
IF
50
IF = 50mA
IF (mA)
VF (V)
1.2
10mA
Forward current, collector current
40
40
30 IC
Forward current
30
Forward voltage
1mA 0.8
20
20
0.4
10
10
0 - 25
0
20
40
60
80
100
0
0
0.4
0.8
1.2
1.6
2.0
2.4
0 - 40 - 20
0
20
40
60
80
100
Ambient temperature Ta (C )
Forward voltage VF (V)
Ambient temperature Ta (C )
IC -- IF
800 VCC = 5V Ta = 25C RL = 100 d = 1mm 600 d = 1mm Ta = 25C
IC -- VCE
160 IF = 20mA
IC -- Ta
VCC = 5V IF = 10mA RL = 100 120
IC (A)
600
IC (mA)
400 15mA 300 10mA 8mA 100 6mA 4mA 2mA
400
Relative output current
Collector current
Collector current
IC (%)
500
80
200
200
40
0
0
8
16
24
0
0
2
4
6
8
0 - 40 - 20
0
20
40
60
80
100
Forward current IF (mA)
Collector to emitter voltage VCE (V)
Ambient temperature Ta (C )
ICEO -- Ta
10 VCE = 10V 10 3
tr , tf -- IC
100 VCC = 5V Ta = 25C : tr : tf 10 2 RL = 2k 1k 10 100 1
IC -- d
VCC = 5V Ta = 25C IF = 10mA
IC (%)
tr , tf (s)
1
80
10 -2
Rise time , fall time
10 -1
Relative output current
60
Dark current
40
10 -3
20
10 -4 - 40 - 20
0
20
40
60
80
100
10 -1 10 -2
10 -1
1
10
0
0
Ambient temperature Ta (C )
Collector current IC (mA)
2
,, ,
d 2 4 6 8 10
ICEO (A)
Distance d (mm)

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