FOD2741BV

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, also known as opto-couplers or photocouplers, are used to transfer signals between two circuits without direct electrical connection. This electromagnetic isolation provides protection for circuits. Optoisolators - Transistor, Photovoltaic Output is one type of device used to transfer electrical signals. A specific type of this device, the Fairchild FOD2741BV, is widely used to provide electrical isolation for circuits in a variety of commercial and industrial applications.

The FOD2741BV phototransistor is an opto-isolator that features high voltage surge rating, high-density hybrid assembly, and low power consumption. This phototransistor is a package of three distinct components: a light emitting diode (LED), a GaAs infrared phototransistor, and a photoresistor. The package itself is composed of a black-bottomed 4 pin SO-4 package with an operating temperature between 0 and 70 degrees Celsius.

The FOD2741BV is typically used for isolating basic logic signals such as switches or logic gates. It works by sending a voltage or current at the input side through the LED. The LED then emits a light beam that is detected by the photo-transistor on the other side, thus providing electrical isolation from the original source. This phototransistor then drives a power output transistor on the output side to produce a corresponding electrical signal.

The FOD2741BV is a popular choice for interfacing an analog signal. This is possible because its phototransistor works effectively in a wide dynamic range, allowing a weak analog signal to be properly detected. The current transfer ratio, or CTR, is of particular importance when using the FOD2741BV in an analog application. CTR measures the ratio of collector current to the LED driving current: a ratio of 1 means that at a LED forward current of 10mA, the collector current will also be 10mA.

The FOD2741BV’s optoisolator performance has also been tested over temperature ranges to make sure it will work properly in varying environmental conditions. The photosensor design with a fast response time can effectively isolate a signal during switching, while the high pulse width distortion is designed to ensure the signal transfer is consistent when the signal is changing. In addition, the FOD2741BV is designed to provide superior noise immunity, a wider isolation voltage range, and a lower leakage current.

The FOD2741BV is used in a variety of commercial and industrial applications including motor control, medical, robotics, electric power conversion and switching, industrial automation, and many other electrical signal isolation applications. It is a product of use reliability with a long operational lifetime. The FOD2741BV is an essential component in many electronic circuit designs due to its small size, low weight, high-voltage surge rating, high-density hybrid assembly, and low power consumption.

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