SG314

Inrush Current Limiters (ICL) Overview

The SG314 is a radial leaded NTC thermistor inrush current limiter from the Vishay Ametherm SURGE-GARD series. It features a nominal resistance of 10 Ohms with a tolerance of ±15% and a steady-state current rating of 6 A. The component is rated for 265 VAC and operates within a temperature range of 0°C to +65°C. Physical dimensions include a diameter of 0.50 inches (12.70 mm) with kinked leads designed for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient characteristics to limit initial surge currents during power-up
• Features kinked axial leads engineered for secure through-hole PCB installation
• Complies with UL safety standards for industrial electronic applications

Inrush Current Limiters (ICL) Applications

• Power supply input stages requiring surge protection
• Industrial control systems utilizing printed circuit boards
• Electronic equipment protecting sensitive components from startup spikes

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against official Vishay documentation to confirm lead configuration and tolerance ratings. Ensure the selected variant matches the required voltage and current specifications for the target application. Cross-reference the manufacturer part number with authorized distributors to confirm availability and authenticity before finalizing procurement orders.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the 10 Ohm resistance value and 6 Ampere current handling capability. Confirm that the 265 VAC rating aligns with the system's operating voltage. Evaluate the physical footprint requirements, specifically the 0.50-inch diameter and kinked lead spacing, to ensure compatibility with the intended PCB layout and mechanical constraints.

Inrush Current Limiters (ICL) Part Context

This device belongs to the SURGE-GARD family of inrush current limiters manufactured by Vishay / Ametherm. These components are specialized NTC thermistors designed to protect electronic circuits from high initial charging currents. The SG314 represents a standard radial leaded option suitable for general-purpose PCB mounting in various commercial and industrial electronics.

Inrush Current Limiters (ICL) FAQ

What is the steady-state current rating for the SG314?

The SG314 has a steady-state current rating of 6 A.

Does the SG314 have UL approval?

Yes, the SG314 is UL approved.