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Phototransistor based reflective sensor OPTEK OPB732 for non contact object detection in automation

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Phototransistor based reflective sensor OPTEK OPB732 for non contact object detection in automation

Sensing Distance : 76.2mm

Description : 76.2mm Reflective - Analog Output RoHS

Mfr. Part # : OPB732

Model Number : OPB732

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Product Description

The KW 732 and KW 732t are reflective optical switches utilizing an Infrared LED and a phototransistor. They are designed for non-contact object sensing in various automation and safety applications. The assembly is available with PCB through-hole pins (KW 732) or 24" wires (KW 732t). An opaque housing minimizes ambient light sensitivity, and a clear window protects the emitter and sensor, allowing operation in dusty environments. The phototransistor can be configured as a common collector or common emitter device. When an object is present, light is reflected back to the phototransistor, causing it to become forward biased and enter the "ON" state, producing a current proportional to the light intensity. When no light is reflected, the phototransistor turns "OFF", minimizing current. Custom electrical, wire, cabling, and connector options are available.

Applications

Non-contact reflective object sensor
Assembly line automation
Machine automation
Equipment security
Door sensor
Machine safety
End of travel sensor

Features

PCB board mounting (KW 732)
24" (610 mm) 26 AWG wired with mounting tabs (KW 732t)
Non-contact infrared switch
Up to 1" or more reflective distance depending on circuitry

Technical Specifications

Part Number	IR Peak Wavelength	Lead Length / Spacing	Storage Temperature	Operating Temperature	Forward Current	Peak Forward Current	Reverse Voltage	Power Dissipation	Collector-Emitter Voltage	Collector Current	On-State Collector Current	Distance
KW 732	850 nm	0.150" / See Diagram	-40C to +100C	-40C to +85C	50 mA	1 A (2 s pulse width, 0.1% duty cycle)	3 V	100 mW	30 V	50 mA	0.25 mA (IF=30mA)	1" (90% diffuse reflective white card)
KW 732t	850 nm	24" / 26 AWG Wire	-40C to +100C	-40C to +85C	50 mA	1 A (2 s pulse width, 0.1% duty cycle)	3 V	100 mW	30 V	50 mA	0.25 mA (IF=30mA)	1" (90% diffuse reflective white card)

2504101957_OPTEK-OPB732_C17445514.pdf

Phototransistor based reflective sensor OPTEK OPB732 for non contact object detection in automation Images

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