FSMD330-2920R

Ptc Resettable Fuses Overview

The FSMD330-2920R is a surface-mount PTC resettable fuse from the FSMD2920 series, manufactured by RFE/Fuzetec. It features a hold current (Ih) of 3.3 A and a maximum voltage rating of 24 VDC. The component utilizes a 2920 (7351 Metric) package with a concave profile, designed for automated assembly processes. It operates within a temperature range of -40°C to +85°C. This device provides overcurrent protection by increasing resistance significantly upon fault conditions, resetting automatically once the fault is cleared and the device cools down.

Ptc Resettable Fuses Feature Summary

• Surface mountable construction in a 2920 package size
• Automatic reset capability after overcurrent event removal
• Concave body profile for stable PCB mounting
• Rated for operation across extended industrial temperature ranges

Ptc Resettable Fuses Applications

• Telecommunications equipment circuit protection
• Portable electronic device power lines
• Consumer electronics input circuits
• Industrial control board overcurrent safeguarding

Ptc Resettable Fuses Procurement Notes

Verify that the specific part number matches the required electrical ratings for your design, particularly the 3.3 A hold current and 24 V maximum voltage. Confirm the package orientation and concave profile requirements for your pick-and-place machinery. Ensure the operating temperature range aligns with your environmental specifications. Cross-reference the manufacturer's datasheet for precise mechanical dimensions and soldering reflow profiles to guarantee reliable assembly and long-term performance in the final application.

Ptc Resettable Fuses Selection Notes

Select this component when a low-profile surface-mount solution is required for moderate current protection applications. The 3.3 A hold current suits circuits requiring higher tolerance than lower-rated variants while maintaining a compact footprint. Consider the 24 V rating limit when designing for higher voltage systems where other series members may be more appropriate. The 2920 package offers a balance between current handling capacity and board space efficiency compared to smaller packages like 1812 or larger ones.

Ptc Resettable Fuses Part Context

This part belongs to the FSMD2920 series of surface-mountable PTC resettable fuses produced by Fuzetec Technology Co., Ltd. under the RFE brand. The series includes various current ratings ranging from lower amperage options up to higher capacity devices, all sharing the same 2920 physical footprint. These components are engineered for high-volume manufacturing environments, providing consistent performance across telecom and consumer electronics sectors where reliable, non-latching overcurrent protection is essential.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes include other FSMD2920 series variants with identical or compatible electrical characteristics, such as the FSMD300-2920R or FSMD330-2920-R. Verify that any replacement maintains the same 2920 package dimensions and concave profile to ensure mechanical compatibility. Check that the new part's voltage and current ratings meet or exceed the original design requirements. Consult official manufacturer cross-reference lists for validated alternatives.