The P385L40C is a SIDACtor® protection thyristor manufactured by Littelfuse Inc. It's designed to protect sensitive electronic equipment from overvoltage transients caused by lightning, power surges, and electrostatic discharge (ESD). SIDACtor devices are commonly used in telecommunications, data communications, and industrial applications to enhance the reliability and longevity of electronic systems.

Applications:

• Telecommunications Equipment (e.g., modems, routers, line cards)
• Data Communications Equipment (e.g., Ethernet interfaces, network switches)
• Industrial Control Systems
• Surge Protection Modules
• Power Line Communication (PLC) Equipment

Features:

• Low Overshoot Voltage
• High Surge Current Capability
• Low Capacitance
• Fail-Safe Protection
• RoHS Compliant
• DO-214AA Package

Benefits:

• Effective Protection against Overvoltage Transients
• Improved System Reliability and Uptime
• Minimal Impact on Signal Integrity due to low capacitance
• Safe Protection in the event of device failure
• Compliance with Environmental Standards

Specifications:

The P385L40C features a surge current capability and a peak off-state voltage. It exhibits a low on-state voltage and a fast turn-on time. The device is designed to clamp transient voltages quickly, safeguarding downstream components. Consult the official Littelfuse datasheet for precise electrical characteristics, including surge current ratings, peak off-state voltage, holding current, breakover voltage, on-state voltage, capacitance, and turn-on time. The datasheet also provides information on the device's clamping voltage characteristics under various surge conditions, ensuring appropriate selection for specific application requirements. It includes details on the device's operating temperature range, storage temperature range, and soldering recommendations for proper assembly. Furthermore, it includes agency approvals and certifications, like UL recognition, if applicable.