AC Thyristor Power Switch, 600V, 800mA, SOT-223

The WEEN SEMICONDUCTORS ACT108W-600E is an advanced AC Thyristor power switch designed for robust and reliable performance in demanding electronic circuits. This component features self-protective capabilities, safeguarding against both low and high-energy voltage transients to enhance system longevity and stability. Its exclusive negative gate triggering and full-cycle AC conduction ensure efficient and precise control of alternating current.

A key design advantage is the common terminal on the mounting base, which allows multiple ACT devices to be installed on a shared cooling pad, simplifying thermal management in compact designs. The remote gate feature effectively separates the gate driver from the effects of the load current, improving signal integrity and driver protection. The device offers safe clamping of low-energy overvoltage transients and will self-protectively turn on during high-energy transients, preventing damage.

Housed in a surface-mount SOT-223 package, it is ideal for modern, space-constrained PCB layouts. The switch boasts very high noise immunity, making it exceptionally reliable in electrically noisy industrial environments. Its combination of protection features, high voltage rating, and compact form factor makes it a versatile solution for a wide range of power control applications.

Key Specifications

• Peak Repetitive Off-State Voltage: 600V
• On-State RMS Current: 800mA
• Package/Case Style: SOT-223
• Maximum Gate Trigger Voltage: 1V
• Peak Non-Repetitive Surge Current: 8.8A
• Maximum Holding Current: 25mA
• Number of Pins: 3
• Maximum Operating Temperature: 125°C
• Peak On-State Voltage: 1.3V
• Mounting Type: Surface Mount

Engineered for durability and precise control, this thyristor switch is a critical component for designers seeking reliable power management in challenging conditions.