Allicdata Part #: | SFH3211FA-3/4-Z-ND |
Manufacturer Part#: |
SFH 3211 FA-3/4-Z |
Price: | $ 0.16 |
Product Category: | Sensors, Transducers |
Manufacturer: | OSRAM Opto Semiconductors Inc. |
Short Description: | PHOTOTRANSISTOR NPN 890NM REV GW |
More Detail: | Phototransistor 980nm Top View 2-SMD, Z-Bend |
DataSheet: | SFH 3211 FA-3/4-Z Datasheet/PDF |
Quantity: | 1000 |
4000 +: | $ 0.15201 |
Viewing Angle: | 120° |
Power - Max: | 165mW |
Mounting Type: | Surface Mount |
Orientation: | Top View |
Operating Temperature: | -40°C ~ 100°C (TA) |
Package / Case: | 2-SMD, Z-Bend |
Series: | TOPLED |
Packaging: | Bulk |
Part Status: | Active |
Voltage - Collector Emitter Breakdown (Max): | 35V |
Current - Collector (Ic) (Max): | 15mA |
Current - Dark (Id) (Max): | 200nA |
Wavelength: | 980nm |
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Optical Sensors - Phototransistors offer device makers to create products that interact with light in a variety of applications. The SFH 3211 FA-3/4-Z is one such sensor, and it has an impressive range of features. Let\'s take a look at the application field and working principle of this device.
Application Field
The SFH 3211 FA-3/4-Z is an opto-electronic component designed for use in a variety of applications. These include sensing light in industrial, automotive, and consumer electronics, as well as medical and security devices. This sensor is is available in the conventional three-lead TO39 package, which makes it optimal for applications where size, convenience, and reliability are the priority.
The SFH 3211 FA-3/4-Z is equipped with a large range of features designed to make it easy to use in a wide variety of applications. Primarily, it offers a wide sensitivity range, which can be extended both horizontally and vertically. It also offers a fast switching time of 0.2 μs, as well as excellent signal-to-noise characteristics, making it suitable for applications that require high-speed switching, such as LED display, vending machines, and safety monitors.
Working Principle
The SFH 3211 FA-3/4-Z utilizes infrared radiation as its energy source. Specifically, it is a phototransistor, meaning it works by detecting light and converting it into a voltage. This process is referred to as photocurrent. As the light intensity increases, the voltage increases, and the current is consequently increased.
Internally, the phototransistor consists of a base, emitter, and collector, with the base being in between the collector and emitter. When light is applied to the emitter, electrons are released and move towards the base, and the voltage increases. The higher the light intensity, the higher the voltage, and the more charge is transferred.
The current is regulated by a base resistor, which is connected between the base and collector. As the light intensity increases, the current increases and the base resistor must be adjusted accordingly to maintain the desired level of current.
The SFH 3211 FA-3/4-Z also incorporates built-in protection features, making it suitable for operation in hazardous environments. This includes protection against overvoltage and short circuit. Additionally, the device also has a robust housing which ensures a high level of mechanical reliability and shockproof performance.
Conclusion
In conclusion, the SFH 3211 FA-3/4-Z is an impressive optical sensor that offers device makers flexibility in their product design. It is suitable for a wide range of applications, and has a impressive range of features to make it easier to use. Specifically, it is a phototransistor with an extended sensitivity range and fast switching time, built-in protection features, and a robust housing. It is an excellent device for applications where speed, reliability, and convenience are key.
The specific data is subject to PDF, and the above content is for reference
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