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Transmissive Photosensors (Photo Interrupters)
CNZ1179
Photo Interrupter
Unit : mm
For contactless SW, object detection Overview
CNZ1179 is a photocoupler 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.
2.20.2
Mark for indicating LED side 13.00.3 5.00.2 6.20.2 2-R0.5 0.450.1
7.0 min. 10.00.3 2.00.2
Features
Highly precise position detection : 0.3 mm Wide gap between emitting and detecting elements, suitable for thick plate detection Fast response : tr, tf = 6 s (typ.) Small output current variation against change in temperature
*9.750.3
2
,,, ,,
2-0.45 *2.540.3 3 2 3 4 1 Pin connection 4
1
(Note) * is dimension at the root of leads
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 Unit V mA mW mA V V mW C C
*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
Topr -25 to +85 Tstg -30 to +100
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.
Electrical Characteristics (Ta = 25C)
Parameter Forward voltage (DC) Input characteristics Reverse current (DC) Collector cutoff current Output characteristics Collector to emitter capacitance Collector current Symbol VF IR ICEO CC IC VR = 3V VCE = 10V VCE = 10V, f = 1MHz VCE = 10V, IF = 20mA, RL = 100 0.3 6 0.3 5 Conditions IF = 50mA min typ 1.2 max 1.5 10 200 Unit V A nA pF mA s V
Transfer Response time tr , tf* VCC = 10V, IC = 1mA, RL = 100 characteristics Collector to emitter saturation voltage VCE(sat) IF = 50mA, IC = 0.1mA
*
Switching time measurement circuit
Sig.IN VCC (Input pulse) Sig.OUT (Output pulse) 90% 10% td tr tf 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)
,,
,,
50
RL
7.20.2
1
CNZ1179
Transmissive Photosensors (Photo Interrupters)
IF , IC -- Ta
60 60
IF -- VF
10 Ta = 25C
IC -- IF
VCE = 10V Ta = 25C
IF , IC (mA)
50
IF
50
IC (mA) Collector current
Forward current, collector current
40
IF (mA)
1
40
Forward current
30 IC
30
10 -1
20
20
10 -2
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 -3 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
IC -- Ta
VCE = 10V IF = 20mA
IC (mA)
VF (V)
1.2
IF = 50mA 10mA 1mA
10
IC (%)
IF = 30mA 20mA 10mA
120
0.8
1
Relative output current
Forward voltage
Collector current
80
0.4
10 -1
40
0 - 40 - 20
0
20
40
60
80
100
10 -2 10 -1
1
10
10 2
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 10 3
tr -- IC
VCC = 10V Ta = 25C 100
IC -- d
VCE = 10V Ta = 25C IF = 20mA
1
IC (%)
80 Criterion 0 d 60
ICEO (A)
10 2 VCE = 24V 10V
tr (s)
10 -1
RL = 1k 500 10
10 -2
Relative output current
Dark current
Rise time
40
1 10 -3
Sig.IN
VCC Sig. V1 OUT V2 V2 RL 90% 10%
20
10 -4 - 40 - 20
, ,,
10 -1 10 -2 10 -1 1
V1 50
tr
td
tf
10 0 0 1 2 3 4 5 6
0
20
40
60
80
100
Ambient temperature Ta (C )
Collector current IC (mA)
Distance d (mm)
2

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