PS2911-1-F3-A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators, or opto-isolators, are electrical-optical devices designed to prevent electrical shock or high-voltage breakdown by providing a galvanic isolation between two or more circuits. PS2911-1-F3-A, is a Transistor, Photovoltaic Output optoisolator, which is often used in applications such as isolating digital signals, power applications, galvanic separation protection, frequency-measuring circuits, and signal transmission systems.

The PS2911-1-F3-A optoisolator is a single channel optoisolator with an output transistor configuration. It consists of an Infrared (IR) light emitting diode (LED), mounted in a molded plastic case, which is optically coupled to a NPN silicon phototransistor. The Isolation of an output voltage (VCE) to the input voltage (Vin) is up to 4kV.

The working principle of the PS2911-1-F3-A optoisolator can be divided into two parts, the input side and the output side. The input side is composed of the LED. When the input voltage Yin is applied to the LED it will emit infrared radiation which is invisible to the human eye. This radiation then activates the output side, the phototransistor. The emitted photons will go through the lead frame in the package and will be received by the base region of the phototransistor. When this occurs, the electrons in the base region will be attracted to the electrons of the collector region, which is then lead to the current flow in a current-voltage relationship, thus generating an output voltage VCE.

The PS2911-1-F3-A optoisolator has numerous practical applications. In digital circuits, it can be used to electrically isolate two sides of a circuit. In power systems, it can be used to provide galvanic separation between a power supply and a load, preventing electrical shock. In frequency measuring circuits, it can be used to electrically isolate a signal source and a frequency transmitter. In signal transmission systems, it can be used to couple two circuits together, allowing them to transfer data and signals without any direct electrical connection between them.

In conclusion, PS2911-1-F3-A optoisolator is an effective and commonly-used single-channel optoisolator with a Transistor, Photovoltaic Output configuration. It is widely used in many applications due to its electrical isolation, signal transmission capabilities, and frequency-measuring accuracy. It is also resistant to electrical shock and high-voltage breakdown, making it an invaluable device in many electrical and electronic circuits.

The specific data is subject to PDF, and the above content is for reference