HOA1404-001

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Sensing Distance:	0.2" (5.08mm)
Sensing Method:	Reflective
Voltage - Collector Emitter Breakdown (Max):	30V
Current - Collector (Ic) (Max):	30mA
Current - DC Forward (If) (Max):	50mA
Output Type:	Phototransistor
Response Time:	15µs, 15µs
Mounting Type:	Through Hole
Package / Case:	Radial - 4 Leads
Operating Temperature:	-55°C ~ 100°C

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Optical Sensors - Reflective - Analog Output

The HOA1404-001 is a photoreflective optical sensor module that combines a light source and photodetector into a small package, making it a great choice for many different applications. The HOA1404-001 is a non-contact sensor that can detect the presence or absence of a target and provide an analog voltage output corresponding to the target’s position or movement. This analog output is ideal for applications such as distance and motion sensing, and object detection.

Light Source

The HOA1404-001 features a 940nm (infrared) light-emitting diode (LED) as its light source. The LED generates a narrow beam of infrared light, which is focused through a molded glass lens onto the target. The LED has a long lifetime, low power consumption, and is immune to noise and electrical interference.

Photodetector

The photodetector in the HOA1404-001 is a wide-angle silicon photodiode. This photodiode is designed to optimally capture the infrared light emitted by the LED, and to convert it into a usable electrical signal. The photodetector has good sensitivity at 940nm, and is also resistant to electromagnetic interference, making it ideal for applications in which interference is likely.

Application Field

The HOA1404-001 module is primarily designed for presence/absence detection, distance sensing, and motion sensing applications. Its small size and robust construction make it suitable for use in a variety of environments, including harsh and dirty environments. The module can be mounted directly on a target or placed adjacent to it, and provides reliable measurements in most applications. Its ability to provide an analog voltage output also makes it ideal for applications where a more detailed measurement of the target’s position or movement is required.

Working Principle

The HOA1404-001’s working principle is based on the fact that light is reflected when it strikes an object. When the module’s infrared LED is illuminated, some of the light is reflected back to the photodetector, depending on the distance and angle to the target. The photodetector detects the reflected light and produces an electrical signal. This signal is then amplified and converted into an analog voltage output corresponding to the target’s position or movement.

Conclusion

The HOA1404-001 module is a great choice for many different applications. Its small form factor, robust construction, long lifetime, and ability to provide an analog voltage output make it an ideal choice for distance and motion sensing, and object detection applications.

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