S2006L

Overview

The Littelfuse S2006L is a fast-acting surface-mount fuse designed for overcurrent protection in space-constrained electronic circuits. It features a compact 1206 footprint, making it suitable for applications where board real estate is limited. The device provides reliable circuit safeguarding against shorts and overcurrent events while maintaining compatibility with standard lead-free soldering profiles used in modern manufacturing processes.

Feature Summary

• Ultra-small square surface mount design optimized for space-limited PCB layouts
• Fast-acting response characteristic for immediate circuit protection
• Fully compatible with lead-free soldering profiles and RoHS compliant

Applications

• Battery chargers and power management systems
• AC-DC and DC-DC power converters
• Electronic ballasts and LED lighting drivers
• Handheld electronics and portable devices

Procurement Notes

Verify the specific current rating and voltage classification required for your circuit design before ordering. Confirm that the 1206 package dimensions align with your PCB footprint constraints. Ensure the selected variant meets the necessary agency approvals for your target market. Check for lead-free compliance if operating under strict environmental regulations.

Selection Notes

Select this component when high-speed interruption is required within a minimal surface-mount envelope. Evaluate the nominal melting I²t value to ensure coordination with upstream protection devices. Consider the resistance and voltage drop characteristics for efficiency-sensitive designs. Verify thermal derating requirements based on the expected ambient operating temperature of the final assembly.

Part Context

This part belongs to the Nano 2® series, which represents Littelfuse's ultra-small square surface-mount fuses. The series is engineered specifically for dense circuit boards, offering the smallest wire-in-air type surface mount fuse option available from the manufacturer. It complements other surface-mount solutions like FLAT PAK and PICO series for comprehensive overcurrent protection strategies.

Replacement Considerations

Direct replacements must match the 1206 footprint, fast-acting characteristic, and identical electrical ratings. Verify that substitute components maintain the same breaking capacity and voltage ratings. Ensure any alternative maintains RoHS compliance and lead-free solderability if required by the manufacturing process.