The TISPA79R241DR-S is a Surge Protection Device (SPD) manufactured by Bourns, designed to protect sensitive electronic equipment from transient overvoltage conditions. As part of the TISPA series, this device offers robust protection against surges caused by lightning strikes, inductive load switching, and electrostatic discharge (ESD).

Applications:

• Telecom Line Protection: Protects telecommunications equipment from surges on telephone lines.
• Industrial Control Systems: Safeguards sensitive components within industrial control systems against voltage transients.
• Data Acquisition Systems: Protects data acquisition equipment from damage caused by electrical surges.
• Power Supply Protection: Provides overvoltage protection for power supplies and connected equipment.

Features:

• Low Clamping Voltage: Provides a low clamping voltage to effectively limit the voltage across protected circuits during a surge event.
• Fast Response Time: Rapidly responds to overvoltage conditions to minimize the impact of surges.
• High Surge Current Capability: Capable of withstanding high surge currents, providing robust protection.
• Compact Surface Mount Package: Allows for efficient use of board space and ease of assembly.
• RoHS Compliant: Meets environmental standards for hazardous substance restriction.

Benefits:

• Enhanced System Reliability: Reduces the risk of equipment damage and downtime due to surge events.
• Lower Maintenance Costs: Minimizes the need for repairs and replacements caused by electrical surges.
• Improved Safety: Protects personnel and equipment from electrical hazards associated with overvoltage conditions.
• Increased Equipment Lifespan: Extends the lifespan of protected equipment by mitigating the effects of voltage transients.

Additional Details:

The TISPA79R241DR-S device is designed with a specific trigger voltage and holding current to ensure reliable operation. Consult the datasheet for precise specifications, including surge current ratings and clamping voltage characteristics. It utilizes a thyristor-based technology to quickly switch to a low impedance state during a surge, diverting the energy away from sensitive circuitry. The 'DR' suffix typically indicates a specific lead configuration or package type. This SPD is commonly used in applications where reliable and repeatable surge protection is critical for maintaining system uptime and performance.