MOC3083S-TA1 SMD IC Opto isolators coupler 3083 MOC3083S-TA1

Product Overview:

A 6-pin zero-cross optoisolator triac driver integrated circuit designed for industrial power control and AC load switching. It provides high-voltage isolation between low-voltage control circuitry and high-voltage AC lines, specifically engineered to switch loads at zero-crossing points to minimize electromagnetic interference (EMI).

Core Specifications:

Manufacturer: Lite-On Technology Corp.

Package Type: DIP-6 / SMD-6 (Surface Mount)

Function: Zero-Cross Optoisolator Triac Driver

Input Channels: 1 Channel (Infrared Emitter to Triac Driver)

Control Interface: TTL/CMOS logic-compatible input (LED Anode/Cathode)

Features:

• Zero-crossing circuitry: Minimizes current surges and EMI by switching at AC voltage zero-crossings

• High repetitive peak off-state voltage ($V_{DRM}$): Min. 800V

• High critical rate of rise of off-state voltage ($dV/dt$): Min. 1000V/µs

• High isolation voltage ($V_{ISO}$): 5,000 VRMS

• Compliant with JEDEC and RoHS standards

• Designed for high-reliability switching in harsh environments

Applications:

• AC motor control and speed regulation

• Industrial heating and temperature control systems

• High-power AC switching and lighting dimmers

• Solid-state relays (SSR)

• Solenoid and valve control in AC power systems