The NXP BT258X-800R is a high-performance, silicon-based triac designed to manage AC loads in a variety of applications. This passivated, sensitive gate triac is part of NXP's extensive thyristor product portfolio and is specifically engineered to provide a reliable solution for AC switching and phase control operations in domestic and industrial environments.

Key Features

• Voltage Capability: The BT258X-800R is rated for a maximum repetitive peak off-state voltage of 800V, making it suitable for applications with high voltage requirements.
• Current Rating: This triac can handle currents up to 25A, ensuring robust performance for heavy-duty operations.
• Sensitive Gate: It features a sensitive gate that allows triggering by microcontrollers and other low-power logic circuits, providing greater control and flexibility in system design.
• High Surge Current Capability: With a high surge current capability, the BT258X-800R can withstand high inrush currents, enhancing the reliability of the application it is used in.
• Isolation Capability: The device comes in an isolated package, providing safety and ease of use by ensuring that the mounting base is electrically isolated from the semiconductor material.
• Planar Passivated Chips: The use of planar passivated chips ensures reliability and stability of the triac's performance over time.

Applications

The BT258X-800R is an ideal choice for a wide array of applications including:

• Motor control in kitchen appliances, power tools, and industrial machines
• Lighting control systems such as dimmers and switchers
• Temperature regulation systems in HVAC and thermostats
• Speed control for fans and blowers
• AC power control in general-purpose AC mains and phase control operations

Product Summary

The NXP BT258X-800R triac stands out for its robustness, high voltage and current handling capabilities, sensitivity, and isolation features. Its versatility and reliability make it a preferred component for engineers and designers looking to control AC loads efficiently and safely.