SFH 3201-2/3-Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Collector Emitter Breakdown (Max):	20V
Current - Collector (Ic) (Max):	50mA
Current - Dark (Id) (Max):	200nA
Wavelength:	850nm
Viewing Angle:	120°
Power - Max:	120mW
Mounting Type:	Surface Mount
Orientation:	Top View
Operating Temperature:	-40°C ~ 100°C (TA)
Package / Case:	6-SMD, Gull Wing

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Introduction

The SFH 3201-2/3-Z optical sensor is a type of phototransistor that is designed for applications where a variety of light levels and wavelengths need to be detected. It is made of a small resistor, an optical filter, an LED, and a phototransistor. Each component of the SFH 3201-2/3-Z has a specific purpose and works together to achieve a reliable and efficient performance.

Application Field

The SFH 3201-2/3-Z is an excellent choice for applications that require accurate measurements of light levels and wavelengths. Its small size and low cost make it ideal for applications requiring a quick, inexpensive solution. It is often used in applications such as light-based distance and proximity sensing, linear and rotary position sensing, motion detection, and in consumer products that require light-based control. The SFH 3201-2/3-Z also has a wide range of applications in industrial and automation applications. It is used to detect light conditions and objects and to trigger and control operations. It can be used to detect the presence and movement of objects, or to monitor the position and orientation of objects in automated production lines and other industrial systems. For example, it can be used to detect the presence and movement of products on conveyor belts. The sensor’s small size and low cost make it very suitable for use in industrial settings where it needs to be mounted in tight spaces or where there are numerous objects that need to be monitored.

Working Principle

The SFH 3201-2/3-Z features a light-emitting transistor (LED) which emits a short pulse of visible light when the electrical current passes through it. This light is filtered through an optical filter before being directed at the phototransistor. When light of the wavelength specified by the optical filter passes through the phototransistor, it is used to generate a voltage. This voltage is then used to control an electrical circuit. The SFH 3201-2/3-Z’s response time is quick enough for most applications. As the light level or wavelength changes, the voltage generated by the phototransistor is varied. This voltage can be used to trigger events or control systems. The components of the SFH 3201-2/3-Z are also carefully designed and selected to maximize performance. The LED is designed to last a long time, and the optical filter is carefully chosen to ensure that it is sensitive to light at the wavelength it is looking for.

Conclusion

The SFH 3201-2/3-Z is an excellent choice for applications that require accurate measurement of light levels and wavelengths. Its small size and low cost make it ideal for applications such as motion detection, object detection, and position and orientation sensing. The device is well designed and carefully crafted to ensure high performance at all times.

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