Reflective Photosensors (Photo Reflectors)
CNB2001
Reflective Photosensor
Unit : mm
Overview
3.4
1.8
0.15
CNB2001 is a small, thin SMD-compatible reflective photosensor
consisting of a high efficiency GaAs infrared light emitting diode
which is integrated with a high sensitivity Darlington phototransistor
in a single resin package.
+0.1
0.05
–0.05
1
3
C0.5
Chip
center
Features
Reflow-compatible reflective photosensor
2
4
0.85
4-0.7
4-0.5
1.5
Ultraminiature, thin type : 2.7 × 3.4 mm (height : 1.5 mm)
Visible light cutoff resin is used
High current-transfer ratio
1
2
3
4
Pin connection
Absolute Maximum Ratings (Ta = 25˚C)
Color of rank
1: Anode
2: Cathode
3: Emitter
4: Collector
Parameter
Symbol Ratings Unit
Reverse voltage (DC)
Forward current (DC)
Power dissipation
Collector current
VR
IF
6
V
mA
mW
mA
V
Input (Light
(Note) Tolerance unless otherwise specified is ±0.2
50
75
30
35
6
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
1.0 mW/˚C at Ta ≥ 25˚C.
*2 Output power derating ratio is
*2
Collector power dissipation PC
75
mW
˚C
Operating ambient temperature
Topr –25 to +85
Temperature
Storage temperature
Tstg –40 to +100 ˚C
1.0 mW/˚C at Ta ≥ 25˚C.
Electrical Characteristics (Ta = 25˚C)
Parameter
Symbol
VF
Conditions
min
typ
max
1.4
Unit
V
Forward voltage (DC)
Reverse current (DC)
IF = 20mA
VR = 3V
1.2
Input
characteristics
IR
10
µA
µA
mA
µA
V
Output characteristics Collector cutoff current
ICEO VCE = 10V
1.0
*1
Collector current
IC
VCC = 2V, IF = 4mA, RL = 100Ω, d = 1mm
0.52
15.0
5.0
Leakage current
ID
VCC = 2V, IF = 4mA, RL = 100Ω
Transfer
Collector to emitter saturation voltage VCE(sat) IF = 4mA, IC = 0.5mA
1.2
characteristics
tr*2 VCC = 2V, IC = 10mA,
tf*2 RL = 100Ω
120
115
Response time
µs
*1
*2
Output Current (IC) measurement
method (see figure below.)
Response time measurement
circuit (see figure below.)
Color indication of classifications
tr : Rise time
tf : Fall time
Glass plate
Evaporated Al
Glass plate
Evaporated Al
Class
IC (µA)
Color
Orange
White
Q
R
S
0.52 to 1.94
1.45 to 5.4
4.0 to 15.0
d = 1mm
d = 1mm
Sig.IN
Sig.OUT
90%
10%
Light blue
IF
IC
VCC
RL
Sig.IN
50Ω
Sig. VCC
OUT
RL
tr
tf
Input and output are handled electrically.
This product is not designed to withstand radiation.
1