SUBMINIATURE
PHOTOINTERRUPTER
Description
The MIT-4A11A consists of a Gallium Arsenide in-
frared emitting diode and a NPN silicon phototran-
sistor , double-layer mold plastic package. It is a
transmissive subminiature photointerrupter.
1
2
MIT-4A11A
Package Dimensions
C
E
3
Unit : mm
A
4.2
C
4
5.0
1.5
(1.0
(0.3)
2.0
Features
l
l
l
l
Ultra-compact
PWB mounting type package
High sensing accuracy ( Slit width: 0.3mm )
Gap between light emitter and detector: 2mm
3.9
2.8
5.2
1.5±0.1Hold ±
4-0.5
4-0.15
4.0
MIN.
Applications
l
l
l
*2.54
*4.0
Cameras
Floppy disk drives
Printer
NOTE
1. Tolerance is ± 0.25 mm (.010") unless otherwise noted.
2. Burr's dimension : 0.15MAX
3.( ) : Reference dimensions
4. The dimensions indicated by * refer to those measured
from the lead base
Absolute Maximum Ratings
Parameter
Continuous Forward Current
INPUT
Reverse Voltage
Power Dissipation
Collector-emitter breakdown voltage
OUTPUT Emitter-Collector breakdown voltage
Collector power dissipation
Total power dissipation
Operating Temperature Range
Storage Temperature Range
Soldering temperature
Symbol
I
F
V
R
P
ad
V
(BR)CEO
V
(BR)ECO
P
C
P
TOT
T
opr
T
stg
T
sol
Maximum Rating
50
5
75
30
5
75
100
@T
A
=25
o
C
Unit
mA
V
mW
V
V
mW
mW
-25
o
C to + 85
o
C
-40
o
C to + 100
o
C
260
o
C for 3 seconds
Unity Opto Technology Co., Ltd.
04/01/2002