Subminiature Photointerrupter - ETC
Description
Subminiature Photointerrupter Model No: LBT-124 Features
˙Compact package based on the double-mold method.
˙High resolution (slit width = 0.
4mm).
˙Gap between emitter and detector is 2.
0mm.
Applications
˙Floppy disk drives ˙Printers ˙Cameras
Outline Dimensions (Unit: mm)
4
3
1
2
1 Anode 2 Cathode 3 Emitter 4 Collector
--1--
Letex Technology Corp.
Subminiature Photointerrupter Model No: LBT-124
Absolute Maximum Ratings (Ambient Temperature: 25℃)
Item
Forward current Reverse voltage Power dissipation Collector-emitter voltage Output Emitter-collector voltage Collector power dissipation Storage Temperature Input Operating Temperature Soldering Temperature
Symbol
IF VR PD Vceo Veco PC Tstg Top Tsol
Rating
50 5 75 30 4.
5 80 -40 to +100 -25 to +85 260
Units
mA V mW V mA mW ℃ ℃ ℃
Note
10 seconds max.
Electrical Specifications (Ambient Temperature: 25℃)
Item
Forward voltage Peak forward voltage Reverse current Collector dark current Output Collector-emitter breakdown voltage Emitter-collector breakdown voltage Collector current Combi Collector-emitter saturation voltage nation Response time Input
Symbol
VF VFM IR Iceo BVceo BVeco Ic Vce(sat) Tr/tf
Min.
Typ.
1.
2 3
Max.
1.
4 4 10 0.
5
Units
V V µA µA V V mA V µs
Conditions
IF=20mA IFM=0.
5A VR=5V Vce=10V Ice=50µA Iec=50µA Vce=5V, IF=20mA IF=20mA, Ic=0.
3A IF=5mA, Vcc=5V, RL=100Ω
30 4.
5 0.
5 0.
4 10
--2--
Letex Technology Corp.
Subminiature Photointerrupter Reference Data
Forward current Vs.
Ambient temperature
60 2000
Peak forward current Vs.
Duty ratio
50
100
Power dissipation (mW)
Peak forward current ( mA )
1000 500 200 100 50 20
Pulse width 100us Ta = 25℃
Forward current (mA)
40
80
30
60
20
40
10
20
0 -30 0 25 50 75 100 125
0 -25 0 25 50 75 100 125
10 5 10
-3
2
5 10
-2
2
5 10
-1
2
5 10
0
Ambient temperature (℃)
Ambient temperature (℃)
Duty ratio
Forward current Vs.
Forward voltage
500 200
Ta = 75℃ 50℃ 25℃ 0℃
Collector current Vs.
Forward current
12 12
Collector curre...
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