Reflective Photosensors (Photo Reflectors)
CNB1302
Reflective Photosensor
Overview
CNB1302 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
anode side
C0.5
1
3
9.0鹵1.0
2.0鹵0.2
Chip
center
Ultraminiature, thin type : 2.7
脳
3.4 mm (height : 1.5 mm)
Visible light cutoff resin is used
Fast response : t
r
, t
f
= 20碌s (typ.)
Easy interface for control circuit
9.0鹵1.0
2.7鹵0.2
0.4
4-0.7
4-0.5
鹵0.1
2
1.8
4
Features
2.0鹵0.2
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 = 25藲C)
Parameter
Reverse voltage (DC)
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
Symbol Ratings
V
R
I
F
P
D
*1
Unit
V
mA
mW
mA
V
V
mW
藲C
藲C
*1
3
50
75
20
30
5
50
鈥?5 to +85
I
C
V
CEO
V
ECO
P
C
*2
T
opr
T
stg
鈥?0 to +100
Input power derating ratio is
1.0 mW/藲C at Ta
鈮?/div>
25藲C.
*2
Output power derating ratio is
0.67 mW/藲C at Ta
鈮?/div>
25藲C.
Electrical Characteristics
(Ta = 25藲C)
Paramwter
Forward voltage (DC)
Input
Reverse current (DC)
characteristics
Capacitance between terminals
Output characteristics Collector cutoff current
Collector current
Leakage current
Transfer
characteristics Response time
Symbol
V
F
I
R
C
t
I
CEO
I
D
I
F
= 50mA
V
R
= 3V
V
R
= 0V, f = 1MHz
V
CE
= 10V
90
20
0.4
*2
Output
Conditions
I
C*1, *2
V
CC
= 5V, I
F
= 10mA, R
L
= 100鈩? d = 1mm
V
CC
= 5V, I
F
= 10mA, R
L
= 100鈩?/div>
t
r*3
, t
f*4
V
CC
= 5V, I
C
= 0.1mA, R
L
= 100鈩?/div>
Collector to emitter saturation voltage V
CE(sat)
I
F
= 20mA, I
C
= 0.1mA
*1
I
C
classifications
Class
I
C
(碌A(chǔ))
Q
90 to 220
R
180 to 440
S
360 to 880
*3
Time
*4
Time
,,
,
V
CC
required for the output current to increase from 10% to 90% of its final value
I
F
required for the output current to decrease from 90% to 10% of its initial value
,,
,,
1
2 3
4
Pin connection
Applications
1.5鹵0.2
3.4鹵0.3
min
typ
1.3
0.01
30
max
1.5
10
200
880
200
Unit
V
碌A(chǔ)
pF
nA
碌A(chǔ)
nA
碌s
V
,,,
,,,
,,,
,,,
,,
,,
current measurement method
I
C
R
L
Evaporated Al
Glass plate
(t = 1mm)
1
1
2
