Page 1
Letex Technology Corp.
Photointerrupter
Tolerances is
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
CIRCUIT BOARD
E+
PG
NT901-SM
D-
123
13
2
PIN 1 D- (Collector)
PIN 2 COMMON (Emitter/Cathode)
PIN 3 E+ (Anode)
Notes:
All dimensions are in millimeter
±0.25
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Page 2
Letex Technology Corp.
Photointerrupter
(Ambient Temperature: 25
V eco
Storage T emperature
T stg
ating Temperature
Soldering Temperature
T sol
(Ambient Temperature: 25
V iew angle
Rise Time
Fall Time
Model No: LBT-135
Absolute Maximum Ratings
Forward current IF 50 mA
Reverse voltage VR 5 V
Input
Peak forward current IFP 1 A
Power dissipation Pd 75 mW
Collector current Ic 50 mA
Collector-Emitter voltage Vceo 30 V
Emitter-Collector voltage
Output
Collector power dissipation Pc 100 mW
Oper
Electrical Specifications
Input
Output
Light current Ic(on) 0.5 2.0 mA
Leakage current ILeak 1 µA
Speed
℃)
Item Symbol Rating Units Note
Tw=10μs,
t=10ms
5 V
℃
℃
℃
5 seconds max.
T op -25 to +85
-40 to +85
260
℃)
Item Symbol MIN. TYP. MAX. Units Conditions
Forward voltage VF 1.2 1.4 V
Reverse current IR 10 µA
Peak wavelength
λp
2θ1/2
940 nm
35 Deg.
Dark current Iceo 5 100 nA
C-E saturation voltage Vce(sat) 0.15 0.4 µA
tr
tf
30
25
IF=20mA
VR=5V
IF=20mA
Vce=20V
Ic=2mA, IB=0.1mA
Vce=5V
IF=20mA
Vce=5V
Ic=1mA
µs
RL=1KΩ
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