RCLAMP0582NQTCT

Overview

The RCLAMP0582NQTCT is a dual-line, low-capacitance transient voltage suppressor (TVS) diode from Semtech's RailClamp series. It features a working voltage of 6.5 V and a breakdown voltage of 7 V. The device offers a maximum clamping voltage of 25 V under a peak pulse current of 5 A. Its capacitance is rated at 0.2 pF, ensuring minimal signal integrity impact on high-speed data lines. It provides robust electrostatic discharge protection with contact voltages up to 12 kV and air gap voltages up to 20 kV. The component is housed in a compact DFN-1210-6 surface-mount package.

Feature Summary

• Provides transient protection for high-speed data lines against ESD threats
• Utilizes solid-state silicon-avalanche technology for reliable clamping
• Maintains low leakage current and low clamping voltage characteristics
• Qualified to automotive reliability standards

Applications

• Protection of automotive Ethernet interfaces
• Protection of USB ports in automotive systems
• General high-speed data line protection in harsh environments

Procurement Notes

Verify the specific suffix NQTCT against the manufacturer's latest datasheet to confirm pinout and electrical tolerances. Ensure the procurement channel sources genuine Semtech components to guarantee AEC-Q100 qualification status. Check for any recent product change notices regarding packaging or material composition updates before finalizing supply agreements.

Selection Notes

Select this component when protecting dual-channel 5V data lines requiring ultra-low capacitance below 0.3 pF. It is suitable for applications demanding high ESD immunity in space-constrained designs using the DFN-1210-6 footprint. Consider alternative packages if higher surge current handling or different voltage ratings are required for the specific bus architecture.

Part Context

This part belongs to the RailClamp family of TVS diodes designed for automotive and industrial applications. It complements other variants like the RCLAMP0582BQ by offering specific packaging and performance characteristics tailored for modern high-speed serial data protocols. The series emphasizes robustness against combined ESD and electrical fast transient events.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation.