PTCEL17R251STE

Inrush Current Limiters (ICL) Overview

PTCEL17R251STE is a radial lead inrush current limiter manufactured by Vishay Beyschlag/Draloric/BC Components. It features a nominal resistance of 250 Ohms with a tolerance of ±30%. The device has a cylindrical body diameter of 0.670 inches (17.00mm). It is designed for through-hole mounting and operates within a standard temperature range.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences
• Utilizes positive temperature coefficient characteristics for self-regulating protection
• Features a robust radial leaded construction suitable for automated assembly

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Motor drive circuits
• Transformer primary side protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific thermal rating and maximum steady-state current requirements against the official Vishay datasheet before procurement. Ensure that the ambient operating conditions do not exceed the component's specified limits to maintain reliability. Confirm that the package dimensions are compatible with the target PCB layout and mechanical constraints.

Inrush Current Limiters (ICL) Selection Notes

Select this component when circuit design requires passive suppression of capacitive charging spikes. Evaluate the energy absorption capability and residual resistance at operating temperature. Consider the physical size constraints imposed by the 17mm diameter body. Compare performance against alternative thermistors if higher precision or lower cold resistance is required.

Inrush Current Limiters (ICL) Part Context

This part belongs to the PTCEL series of inrush current limiters from Vishay. These components are engineered to protect sensitive electronic components from damage caused by excessive initial current flow. They serve as a cost-effective solution for managing transient loads in various industrial and consumer electronics applications.

Inrush Current Limiters (ICL) Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.