The ST02D-170 is a TRIAC manufactured by Shindengen Electric Manufacturing Co., Ltd. TRIACs are three-terminal AC switches used to control the flow of AC current. The ST02D-170 is designed for general purpose AC switching and phase control applications.

Applications

• AC power control.
• Light dimmers.
• Motor speed control.
• Solid-state relays.
• Temperature control systems.

Features

• High Blocking Voltage.
• Low On-State Voltage.
• High Surge Current Capability.
• Sensitive Gate Triggering.
• Insulated Package.

Benefits

• Reliable AC power control.
• Efficient operation with low on-state voltage.
• Robust protection against surge currents.
• Easy triggering with sensitive gate characteristics.
• Improved safety with insulated package.

Additional Details

The ST02D-170 boasts a high blocking voltage, ensuring it can withstand significant AC voltages without breakdown, which is crucial for safety and reliability. Its low on-state voltage minimizes power dissipation during conduction, leading to greater efficiency. The high surge current capability protects the device from damage due to transient current spikes, making it suitable for applications with inductive loads. The sensitive gate triggering feature simplifies the design of control circuits, allowing it to be easily activated with a small gate current. The insulated package provides electrical isolation, enhancing safety in high-voltage applications. Common uses include lighting control, appliance control, and industrial automation.

Key Specifications: Critical parameters include repetitive peak off-state voltage (VDRM), on-state RMS current (IT(RMS)), and gate trigger current (IGT). Always refer to the official datasheet for precise values.