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Photointerrupter (Reflective) NPNEC ST139
Photointerrupter (Reflective) NPNEC ST139
ST139 - Features · Combines high output GaAs IRED with highsensitive phototransistor. ·Wide detecting range, the minimum range is 1mm - Non-contact detecting manner. ·Reduce the effect of environmental radiationlight. ● Applications ·IC card electric power meter. ·AMR system. ·Water meter. ·OA equipment: facsimile, printer, copier etc. ·Combined with direction detector IC(ST288A), it can be used as detecting direction of motion,speed of clockwise/ counterclockwise rotationand moving distance etc. ● Dimensions Unit:mm; Unless othewise specified, the tolerances are ±0.2mm. ●Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Forward Current IF 50 mV Reverse Voltage VR 6 V Input Power Dissipation P 75 mW Collector-Emitter Voltage VCEO 25 V Emitter-Collector Voltage VECO 6 V Output Collector Power Dissipation PC 50 mW *Operating Temperature Topr -20～65 ℃ Storage Temperature Tstg -30～75 ℃ ** Soldering Temperature Tsol 260 ℃ Internal Circuit *The special requirement could be met according to customer’s request. **Soldering time: 5s max. Soldering position: at least 1.5mm from the base of the package. ● Electro-Optical Characteristics(Ta=25℃) Parameter Symbol Test Condition Min. Typ. Max. Unit Forward Voltage VF IF=20mA - 1.25 1.5 V Input Reverse Current IR VR=3V - - 10 μA Collector dark current ICEO VCE=20V - - 1 μA L3 0.3 - - L4 0.4 - - Collector Light Current IL VCE=5V IF=8mA L5 0.5 - - mA Output Collector-Emitter Saturation voltage VCE(SAT) IF=8mA Ic=0.15mA - - 0.4 V Rise Time Tr - 10 - Transfer Character -istics Response Time Fall Time Tf IF=20mA VCE=5V RC=100Ω - 10 - μS Notes: Collector light current IL, Collector-emitter saturation voltage VCE(SAT), Relative current , Response time is measured within 2~5mm between photointerrupter’s top and reflecting surface. The value is affected by the smooth of light reflecting surface.
ST139 - Features · Combines high output GaAs IRED with highsensitive phototransistor. ·Wide detecting range, the minimum range is 1mm - Non-contact detecting manner. ·Reduce the effect of environmental radiationlight. ● Applications ·IC card electric power meter. ·AMR system. ·Water meter. ·OA equipment: facsimile, printer, copier etc. ·Combined with direction detector IC(ST288A), it can be used as detecting direction of motion,speed of clockwise/ counterclockwise rotationand moving distance etc. ● Dimensions Unit:mm; Unless othewise specified, the tolerances are ±0.2mm. ●Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Forward Current IF 50 mV Reverse Voltage VR 6 V Input Power Dissipation P 75 mW Collector-Emitter Voltage VCEO 25 V Emitter-Collector Voltage VECO 6 V Output Collector Power Dissipation PC 50 mW *Operating Temperature Topr -20～65 ℃ Storage Temperature Tstg -30～75 ℃ ** Soldering Temperature Tsol 260 ℃ Internal Circuit *The special requirement could be met according to customer’s request. **Soldering time: 5s max. Soldering position: at least 1.5mm from the base of the package. ● Electro-Optical Characteristics(Ta=25℃) Parameter Symbol Test Condition Min. Typ. Max. Unit Forward Voltage VF IF=20mA - 1.25 1.5 V Input Reverse Current IR VR=3V - - 10 μA Collector dark current ICEO VCE=20V - - 1 μA L3 0.3 - - L4 0.4 - - Collector Light Current IL VCE=5V IF=8mA L5 0.5 - - mA Output Collector-Emitter Saturation voltage VCE(SAT) IF=8mA Ic=0.15mA - - 0.4 V Rise Time Tr - 10 - Transfer Character -istics Response Time Fall Time Tf IF=20mA VCE=5V RC=100Ω - 10 - μS Notes: Collector light current IL, Collector-emitter saturation voltage VCE(SAT), Relative current , Response time is measured within 2~5mm between photointerrupter’s top and reflecting surface. The value is affected by the smooth of light reflecting surface.
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