The OT407,126 is a silicon controlled rectifier (SCR) manufactured by WeEn Semiconductors. SCRs are semiconductor devices that act as switches, capable of controlling high-power circuits. They are primarily used in applications involving AC power control.

Applications

• Light dimmers.
• Motor speed control.
• Voltage regulators.
• Overvoltage protection circuits.
• Solid-state relays.

Features

• High blocking voltage capability.
• High surge current capability.
• Sensitive gate triggering.
• High reliability.
• Robust construction.
• RoHS compliant.

Benefits

• Precise control of AC power.
• Protection against overvoltage conditions.
• Efficient switching performance.
• Long lifespan and reliable operation.
• Easy integration into AC circuits.

Additional Details

The OT407,126 is characterized by its ability to block high voltages in the off-state and to conduct large currents in the on-state. Once triggered, the SCR remains in the on-state until the current through it falls below a certain holding current. Key electrical parameters include the repetitive peak off-state voltage (VDRM), the repetitive peak reverse voltage (VRRM), the on-state RMS current (IT(RMS)), and the gate trigger current (IGT). Refer to the device datasheet for precise specifications and application notes. It is packaged in a through-hole package for ease of mounting and heat dissipation.

When selecting an SCR, consider the voltage and current requirements of the application, the gate trigger sensitivity, and the operating temperature range. The OT407,126 offers a reliable and robust solution for AC power control in various industrial and consumer applications.