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Letex Technology Corp.
Photointerrupter
Model No: LBT-135
Features
High sensing accuracy (Slit width: 1.0mm)
PWB direct mounting type package
Applications
Copiers, printers, facsimiles
Optoelectronic switches
Outline Dimensions
1
2
3
2
PIN 1 D- (Collector)
PIN 2 COMMON (Emitter/Cathode)
PIN 3 E+ (Anode)
1
3
PG
NT901-SM
D-
CIRCUIT BOARD
E+
Notes:
All dimensions are in millimeter
Tolerances is 0.25
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Letex Technology Corp.
Photointerrupter
Model No: LBT-135
Absolute Maximum Ratings
(Ambient Temperature: 25)
Item
Symbol
Rating
Units
Note
Forward current
I
F
50
mA
Reverse voltage
V
R
5
V
Peak forward current
I
FP
1
A
Tw=10s,
t=10ms
Input
Power dissipation
Pd
75
mW
Collector current
Ic
50
mA
Collector-Emitter voltage
Vceo
30
V
Emitter-Collector voltage
Veco
5
V
Output
Collector power dissipation
P
c
100
mW
Storage Temperature
Tstg
-40 to +85
Operating Temperature
Top
-25 to +85
Soldering Temperature
Tsol
260
5 seconds max.
Electrical Specifications
(Ambient Temperature: 25)
Item
Symbol
MIN.
TYP.
MAX.
Units
Conditions
Forward voltage
V
F
1.2
1.4
V
IF=20mA
Reverse current
I
R
10
A
VR=5V
Peak wavelength
p
940
nm
Input
View angle
21/2
35
Deg.
IF=20mA
Dark current
Iceo
5
100
nA
Vce=20V
Output
C-E saturation voltage
Vce(sat)
0.15
0.4
A
Ic=2mA, IB=0.1mA
Light current
Ic(on)
0.5
2.0
mA
Leakage current
I
Leak
1
A
Vce=5V
IF=20mA
Rise Time
t
r
30
Speed
Fall Time
t
f
25
s
Vce=5V
Ic=1mA
RL=1K
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