MF-LS340

Ptc Resettable Fuses Overview

The Bourns MF-LS340 is a high-density resettable PPTC fuse from the Multifuse MF-LS series, designed for strap mounting. It features a 24 VDC maximum voltage rating and a 3.4 A hold current. The device trips at 6.8 A and supports a maximum fault current of 100 A. With a low resistance of 27 mOhms and power dissipation of 2.7 W, it operates between -40°C and +85°C. Its compact axial package measures 14 mm in length, 15.9 mm in width, and 1 mm in height.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection through automatic circuit interruption upon thermal activation.
• Features a high-density design suitable for space-constrained applications.
• Utilizes an axial lead configuration for secure strap mounting installation.

Ptc Resettable Fuses Applications

• LED driver circuits
• Consumer electronics
• Telecommunications equipment

Ptc Resettable Fuses Procurement Notes

Verify that the specific order matches the MF-LS340 designation to ensure correct electrical ratings. Confirm RoHS compliance status via the manufacturer datasheet as required by project specifications. Validate that the axial leads and strap mount style align with the mechanical assembly requirements before finalizing procurement.

Ptc Resettable Fuses Selection Notes

Select this component when a 3.4 A continuous current capacity is required within a 24 VDC system. Ensure the application environment remains within the specified -40°C to +85°C operating temperature range. Consider the 100 A maximum fault current capability for systems requiring robust surge protection against short circuits.

Ptc Resettable Fuses Part Context

This part belongs to the Multifuse MF-LS series, which focuses on high-density resettable fuses. The series provides solutions for protecting sensitive electronic components from overcurrent conditions. It serves as a reliable alternative to traditional one-time fuses in various industrial and consumer markets.

Ptc Resettable Fuses Replacement Considerations

Consult official Bourns documentation for direct cross-reference substitutes. Verify that any replacement maintains identical hold current, trip current, and voltage ratings to ensure circuit compatibility.