MM350R280

Inrush Current Limiters (ICL) Overview

The MM350R280 is an NTC inrush current limiter from the MM35 series, manufactured by Vishay Ametherm. It features a nominal resistance of 0.2 ohms with a tolerance of ±25%. The device supports a maximum steady-state current of 80 A at temperatures up to 65°C and has a recommended energy rating of 1200 Joules. Physically, it measures 35 mm in diameter with dual DIN blade terminals for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient (NTC) technology to limit initial surge currents during power-up.
• Equipped with dual DIN blade terminals designed for secure printed circuit board mounting.
• Engineered to withstand high-energy transient events within specified thermal limits.

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Industrial control systems
• Consumer electronics power circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'DIN' against official datasheets to confirm terminal configuration compatibility. Ensure thermal management requirements align with the 80 A steady-state current limit and 1200 Joule energy rating. Cross-reference voltage ratings and ambient operating conditions with system specifications before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component when low resistance values are required to minimize voltage drop during normal operation while providing effective surge suppression. Consider the physical dimensions and terminal type for PCB layout constraints. Evaluate thermal dissipation capabilities relative to the expected duty cycle and ambient temperature environment.

Inrush Current Limiters (ICL) Part Context

This part belongs to the MM35 series of MegaSurge inrush current limiters. The series offers various resistance and current ratings tailored for different power applications. Vishay Ametherm produces these components using specialized ceramic materials optimized for rapid thermal response and long-term reliability in harsh electrical environments.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for equivalent parts with matching resistance, current, and terminal specifications. Verify that alternative components meet the same mechanical and electrical standards without altering the design integrity.

Inrush Current Limiters (ICL) FAQ

What is the maximum recommended energy rating for the MM350R280?

The maximum recommended energy rating is 1200 Joules.

Does the MM350R280 use through-hole or surface mount terminals?

It utilizes dual DIN blade terminals, which are designed for PCB mounting.