Compact package based on the double-mold method - ETC
Description
Photointerrupter Model No: LBT-121 Features
˙Compact package based on the double-mold method.
˙High resolution (slit width = 0.
5mm).
˙Gap between emitter and detector is 5.
0mm.
Applications
˙Floppy disk drives ˙Printers ˙Cameras
Outline Dimensions (Unit: mm)
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Letex Technology Corp.
Photointerrupter
Model No: LBT-121 Absolute Maximum Ratings (Ambient Temperature: 25℃) Item Symbol Rating Forward current IF 50 Reverse voltage VR 5 Input Peak forward current IFP 1 Power dissipation Collector current Collector-Emitter voltage Output Emitter-Collector voltage Collector power dissipation Storage Temperature Operating Temperature Soldering Temperature Pd Ic Vceo Veco Pc Tstg Top Tsol 75 50 30 5 100 -40 to +85 -25 to +85 260
Units mA V A mW mA V V mW ℃ ℃ ℃
Note
Tw=10μs, t=10ms
5 seconds max.
Electrical Specifications (Ambient Temperature: 25℃) Item Symbol MIN.
Forward voltage VF Reverse current IR Input Peak wavelength λp View angle 2θ1/2 Dark current Iceo Output C-E saturation voltage Vce(sat) Light current Ic(on) 0.
5 Leakage current ILeak Rise Time tr Speed Fall Time tf
TYP.
1.
2 940 35
MAX.
1.
4 10
100 0.
4 1 5 5
Units V µA nm Deg.
nA µA mA µA µs
Conditions
IF=20mA VR=5V IF=20mA Vce=20V Ic=2mA, IB=0.
1mA Vce=5V IF=20mA Vce=5V Ic=1mA RL=1KΩ
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Letex Technology Corp.
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 current Vs.
Collector-Emitter voltage
Ta = 25℃
10
Vce = 5V Ta = 25℃
10
50mA 40mA
Forward current (mA)
Collector current (mA)...
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