The P4802SA is a SIDACtor® protection thyristor manufactured by Littelfuse, specifically designed to protect sensitive telecommunications equipment from overvoltage transients. These transients can originate from lightning strikes, power induction, or electrical fast transients. The P4802SA offers robust surge protection capabilities and is widely used in telecom line cards, modems, network interfaces, and other similar applications.

Applications

• Telecom Line Cards
• Modems
• Network Interfaces
• Central Office Equipment
• Data Communication Lines

Features

• Low Voltage Overshoot
• High Surge Current Capability
• Surface Mount Package (SMB/DO-214AA)
• RoHS Compliant
• Breakover Voltage: 430V to 530V

Benefits

• Provides effective overvoltage protection, preventing damage to sensitive electronic components.
• Enhances the reliability and uptime of telecommunications systems.
• The compact surface-mount package optimizes board space utilization.
• Complies with RoHS standards, making it environmentally friendly.
• Fast response time to overvoltage events.

Technical Specifications

The P4802SA is characterized by a breakover voltage ranging from 430V to 530V. It boasts a high surge current capability, effectively shunting transient surges to protect downstream components. The device is housed in a standard SMB (DO-214AA) package, suitable for automated assembly processes. It operates within a temperature range of -40°C to +125°C. The low on-state voltage ensures efficient diversion of surge currents, further enhancing its protective performance.

The Littelfuse P4802SA plays a critical role in safeguarding telecommunications infrastructure against the damaging effects of overvoltage events. Its robust design and adherence to industry standards make it a reliable choice for surge protection in telecom and networking equipment.