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CNA1312K Datasheet, PDF (1/3 Pages) Panasonic Semiconductor – Transmissive Photosensors(Photo Interrupters)
Transmissive Photosensors (Photo Interrupters)
CNA1312K
Photo Interrupter
For contactless SW, object detection
Overview
CNA1312K is an ultraminiature, highly reliable transmissive
photosensor in which a high efficiency GaAs infrared light emitting
diode chip and a high sensitivity Si phototransistor chip are integrated
in a double molded resin package.
Features
Ultraminiature : 2.6 × 4.9 mm (height : 3.3 mm)
Highly precise position detection : 0.1 mm
Gap width : 2.0 mm
Absolute Maximum Ratings (Ta = 25˚C)
Parameter
Symbol Ratings Unit
Reverse voltage (DC) VR
6
V
Input (Light
Forward current (DC)
emitting diode)
IF
50
mA
Power dissipation
PD*1
75
mW
Collector current
IC
20
mA
Output (Photo Collector to emitter voltage VCEO 35
V
transistor)
Emitter to collector voltage VECO
6
V
Collector power dissipation PC*2
75
mW
Operating ambient temperature Topr –25 to +85 ˚C
Temperature Storage temperature
Tstg –40 to +100 ˚C
Soldering temperature Tsol*3 260
˚C
b side
a side
(1.8)
(1.5) With gate
a side
or b side
Unit : mm
,,,, Slit width(0.4)
4.9±0.3
Optical
SEC. A-A'
1.45
2.0±0.3 1.45
center
2.6 (C0.5)
AB
Slit width
(0.2)
, , 2-0.2+–00..12
,,, 2-0.4
2-0.5
A' B'
*2.0
*3.9
SEC. B-B'
1
3
2
4
2
4
1: Anode 3: Collecter
2: Cathode 4: Emitter
1
3
(Note)
Pin connection
1. Tolerance unless otherwise specified is ±0.2
2. ( ) Dimension is reference
3. * is dimension at the root of leads
*1 Input power derating ratio is
1.0 mW/˚C at Ta ≥ 25˚C.
*2 Output power derating ratio is
1.0 mW/˚C at Ta ≥ 25˚C.
*3 Soldering time is within 5 seconds.
more than 1mm
Soldering bath
Electrical Characteristics (Ta = 25˚C)
Parameter
Symbol
Conditions
min typ max Unit
Input
Forward voltage (DC)
characteristics Reverse current (DC)
VF IF = 20mA
IR VR = 3V
Output characteristics Collector cutoff current
ICEO VCE = 20V
Collector current
IC VCE = 5V, IF = 5mA
40
Transfer
characteristics
Collector to emitter saturation voltage
VCE(sat) IF = 10mA, IC = 40µA
Response time
tr , tf* VCC = 5V, IC = 0.1mA, RL = 1000Ω
* Switching time measurement circuit
1.2 1.4 V
10 µA
100 nA
400 µA
0.4 V
50
µs
Sig.IN
,, 50Ω
VCC
(Input pulse)
,, Sig.OUT
RL
(Output pulse) td
tr
90%
10%
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)
1