Reflective Photosensors (Photo Reflectors)
CNB1303 (ON2180)
Reflective Photosensor
Unit : mm
Overview
Mark for indicating
emitter side
C0.5
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.
1
3
Chip
center
Features
Ultraminiature, thin type : 2.7 × 3.4 mm (height : 1.5 mm)
Visible light cutoff resin is used
Fast response : tr, tf = 20µs (typ.)
Easy interface for control circuit
4-0.7
4-0.5
±0.1
0.5
2
4
1.8
0.15
Applications
Control of motor and other rotary units
3.4±0.3
Detection of position and edge
Detection of paper, film and cloth
Start, end mark detection of magnetic tape
3
4
1
2
Pin connection
Absolute Maximum Ratings (Ta = 25˚C)
Parameter
Symbol Ratings Unit
Reverse voltage (DC)
Forward current (DC)
Power dissipation
Collector current
VR
IF
3
V
mA
mW
mA
V
Input (Light
50
75
20
30
5
emitting diode)
*1
PD
IC
Collector to emitter voltage VCEO
Output (Photo
transistor)
Emitter to collector voltage VECO
V
*1 Input power derating ratio is
*2
Collector power dissipation PC
50
mW
˚C
1.0 mW/˚C at Ta ≥ 25˚C.
*2 Output power derating ratio is
Operating ambient temperature
Topr –25 to +85
Temperature
0.67 mW/˚C at Ta ≥ 25˚C.
Storage temperature
Tstg –30 to +100 ˚C
Electrical Characteristics (Ta = 25˚C)
Parameter
Symbol
VF
Conditions
min
typ
1.3
max
1.5
Unit
V
Forward voltage (DC)
Reverse current (DC)
Capacitance between terminals
IF = 50mA
VR = 3V
Input
IR
0.01
30
10
µA
pF
characteristics
Ct
VR = 0V, f = 1MHz
Output characteristics Collector cutoff current
ICEO VCE = 10V
200
880
200
nA
µA
nA
µs
*1, *2
Collector current
IC
VCC = 5V, IF = 10mA, RL = 100Ω, d = 1mm
90
Leakage current
Response time
ID
VCC = 5V, IF = 10mA, RL = 100Ω
Transfer
tr*3 , tf*4 VCC = 5V, IC = 0.1mA, RL = 100Ω
20
characteristics
Collector to emitter saturation voltage VCE(sat) IF = 20mA, IC = 0.1mA
0.4
V
*1 IC classifications
Class
*2 Output current measurement method
Evaporated Al
Q
R
S
Glass plate
(t = 1mm)
IC (µA)
90 to 220
180 to 440
360 to 880
*3 Time required for the output current to increase from 10% to 90% of its final value
*4 Time required for the output current to decrease from 90% to 10% of its initial value
RL
IC
IF
VCC
Note) The part number in the parenthesis shows conventional part number.
1