OPB365T11

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Optical Sensors are devices that measure or detect the presence or absence of optical radiation. Photointerrupters, or interrupters that detect the presence or absence of light from a light source, are one type of optical sensor. Slot-type transistors are an example of a photointerrupter designed to detect the presence of an object passing through a predetermined slot in a light-emitting device. The OPB365T11 is a slot-type transistors photointerrupter with a transistor output.

The OPB365T11 is composed of an infrared LED, an optical rotary encoder, and a high-speed PIN diode, all of which are packaged in a tiny 6-pin SOP package. It is designed to be easy to use and fit into a wide range of applications requiring high speed, accuracy and reliability. The unit can provide an on/off signal in the form of a low level voltage (VLED) indicating when light is detected when a slot (or gap) passes in front of the LED. The device is typically employed in a wide variety of applications, such as motor speed detection, presence of small objects, counting, and rotary speed control.

The OPB365T11 has a variety of features that make it ideal for use in a variety of applications. The device has an extended operating range of up to 57V, small size, fast response time, low power consumption, wide viewing angle, and high immunity from properties of EMC. Additionally, the unit has a low operating temperature range of -40°C to +85°C, a high operating temperature range of -25°C to +85°C, and a low dynamic range of 0.5V to 57V.

The OPB365T11\'s internal working principle depends on LED lightsource, an LED photo-diode, and a PN junction diode to measure the presence or absence of light. The LED emits a light beam, which is blocked when the gap passes between the LED and the optical rotary encoder. The PN junction diode detects the absence of light and generates a low-level voltage (VLED) which is used to instruct the internal circuit to complete the logical circuit. Once the logical circuit is complete, the transistor output is then triggered (ON) until the presence of light is sensed again, which resets the logical circuit and transistor output (OFF).

The OPB365T11 photointerrupter can be used for a variety of tasks, such as motor speed detection, presence of small objects, counting, and rotary speed control. It is particularly useful in applications where an on/off signal is required in areas with high speed, accuracy, and reliability. The small size and low power consumption make it attractive for use in portable applications. In addition to these features, the high immunity from EMC properties, wide viewing angle, and wide operating temperature range are other advantages of this device.

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