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參數(shù)資料
| 型號(hào)： | CNZ2253 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Reflective Photosensor |
| 中文描述： | 反光光敏 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 52K |
| 代理商： | CNZ2253 |
1
Reflective Photosensors (Photo Reflectors)
CNZ2253
Reflective Photosensor
Overview
CNZ2253 is a photosensor detecting the change of reflective light
in which a high efficiency GaAs infrared light emitting diode is used
as the light emitting element, and a high sensitivity Si Darlington
phototransistor is used as the light detecting element. The two
elements are located parallel in the same direction and objects are
detected when passing in front of the device.
Features
High sensitivity
Small size and light weight
2.2
±
0.2
Mark for indicating
LED side
10.6
±
0.3
9.6
±
0.3
7.5
±
0.2
(3.2)
(7.2)
2
3
1
4
0.3
±
0.05
*2-0.9
±
0.15
0.45
±
0.05
3
±
0
4
±
0
1
±
0
6
±
0
1
0
Unit : mm
Pin connection
1
4
3
2
(Note)
1. ( ) Dimension is reference
2. * is dimension at the root of leads
*1
Input power derating ratio is
1.0 mW/C at Ta
≥
25C.
*2
Output power derating ratio is
1.34 mW/C at Ta
≥
25C.
10%
90%
t
r
t
f
*1
Transfer characteristics measurement circuit
(Ambient light is shut off completely)
R
L
I
F
I
C
V
CC
d = 3 mm
Standard white paper
(Reflective ratio 90%)
Absolute Maximum Ratings
(Ta = 25C)
Parameter
Reverse voltage (DC)
Forward current (DC)
Power dissipation
Collector to emitter voltage
Symbol
Ratings
V
R
I
F
P
D*1
V
CEO
V
ECO
I
C
P
C*2
T
opr
–25 to +85
T
stg
–30 to +100
Unit
V
mA
mW
V
V
mA
mW
C
C
Input (Light
emitting diode)
3
50
75
20
5
30
100
Output (Photo
Emitter to collector voltage
transistor)
Collector current
Collector power dissipation
Operating ambient temperature
Storage temperature
Temperature
Electrical Characteristics
(Ta = 25C)
Parameter
Forward voltage (DC)
Reverse current (DC)
Capacitance between terminals
Symbol
V
F
I
R
C
t
I
CEO
I
C*1*2
t
r*3
, t
f*4
V
CC
= 10V, I
C
= 1mA, R
L
= 100
Conditions
min
typ
1.2
max
1.5
10
Unit
V
μ
A
pF
μ
A
mA
μ
s
V
Input
characteristics
I
F
= 50mA
V
R
= 3V
V
R
= 0V, f
= 1MHz
V
CE
= 10V
V
CC
= 5V, I
F
= 10mA, R
L
= 100
50
Output characteristics
Collector cutoff current
Collector current
0.5
30
Transfer
characteristics
Response time
Collector to emitter saturation voltage
V
CE(sat)
I
F
= 50mA, I
C
= 1mA
*1
I
C
classifications
Class
Q
3
150
1.5
*3
Time required for the collector current to increase
from 10% to 90% of its final value.
*4
Time required for the collector current to decrease
from 90% to 10% of its initial value.
Applications
Detection of paper, film and cloth
Optical mark reading
Detection of position and edge
Detection of coin and bill
Start, end mark detection of magnetic tape
R
S
I
C
(mA)
3 to 9
6 to 18
12 to 30
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