VO2223B-X017T Isolators

Optoisolators are devices that are used to provide an electrical isolation barrier between two circuits. The VO2223B-X017T is an optoisolator from Vishay Semiconductors that is designed to provide a trigger signal for switching silicon controlled rectifiers (SCRs) and triacs. This device has an infrared LED input terminal and a sensitive gate output terminal with a VDRM of 500 V.

The VO2223B-X017T is used in applications with high voltages and currents including industrial motor and motor drive control. It can also be used to control heating and lighting circuits. This optoisolator provides electrical isolation between the input and the output which makes it ideal for safety applications.

The working principle of the VO2223B-X017T is based on the photoelectric effect. When current flows through the LED terminal, photons are emitted. These photons are detected by the gate on the output terminal and will trigger the switching of the SCR or triac. This optoisolator also has a voltage clamping and a diode for over-voltage protection.

In summary, the VO2223B-X017T is a type of optoisolator from Vishay Semiconductors that can be used in applications where high voltages or currents are present. It can also be used in safety applications due to its electrical isolation feature. It is based on the photoelectric effect and provides a trigger signal to switch SCRs and triacs. The device also has voltage clamps and diodes for over-voltage protection.