86475-1S | Reliance Electric Rectifier Thyristor Stack

The component 86475-1S is a critical part utilized in various industrial applications, produced by leading manufacturers such as Reliance Electric, ABB, and Baldor-Reliance. This component is engineered to manage high-power electrical circuits, making it an essential element in systems requiring precise control of electrical currents and voltage regulation. Its robust design and high-quality construction ensure reliable performance, even in demanding industrial environments.

At the core of the 86475-1S are key components such as an SCR (Silicon Controlled Rectifier) diode/thyristor and a metal oxide varistor. The SCR diode/thyristor plays a vital role in controlling the flow of electricity, allowing for precise modulation of current in the circuit. This is particularly important in applications where controlling high power levels is critical, such as in motor drives, power supplies, and other industrial equipment. The metal oxide varistor provides essential protection against voltage spikes, safeguarding the circuit against potential damage from transient surges and ensuring the longevity and reliability of the overall system.

The 86475-1S is designed for secure and efficient mounting, utilizing a bolt connection between two vertical heat sink assemblies. This mounting method ensures optimal thermal management by effectively dissipating heat generated during operation, which is crucial for maintaining the component's performance and preventing overheating. The vertical heat sink design maximizes airflow and enhances cooling efficiency, contributing to the component's durability and stability in high-power applications.

Connections for the 86475-1S are carefully designed to ensure reliable integration with the overall system. The component features wired connections to a specific circuit board, identified as part number 0-51378-12, and a high voltage capacitor. These connections are crucial for the proper functioning of the component, as they facilitate the flow of electrical signals and power between the SCR diode/thyristor, the circuit board, and the capacitor. The design of these connections emphasizes both reliability and ease of installation, ensuring that the component can be securely integrated into complex electrical systems with minimal risk of failure.

On the associated circuit board, the 86475-1S is connected to additional components, including two diodes, two sets of terminal pins, and two resistors. These elements work together to further refine the control and regulation of electrical currents within the system. The diodes ensure that current flows in the correct direction, the resistors help to manage current levels, and the terminal pins provide secure connection points for wiring. The careful design and placement of these components on the circuit board are integral to the overall performance and reliability of the 86475-1S in its application.

The connection method employed by the 86475-1S involves wires that terminate to both the pins and the surface of the circuit board. This approach ensures a secure and stable connection, minimizing the risk of loose or faulty connections that could compromise the performance of the system. The use of high-quality materials and precise engineering in these connections further enhances the component's reliability and longevity.

In summary, the 86475-1S is a robust and reliable component designed for high-power industrial applications, featuring critical elements such as an SCR diode/thyristor and a metal oxide varistor. Its secure mounting method, effective thermal management, and reliable connections make it an essential part of any system requiring precise control and regulation of electrical currents. Manufactured by industry leaders like Reliance Electric, ABB, and Baldor-Reliance, the 86475-1S delivers the performance and durability needed to support demanding industrial operations. Whether used in motor drives, power supplies, or other high-power systems, this component ensures efficient and reliable operation, contributing to the overall stability and performance of the equipment in which it is installed.