PTCEL17R501TBE

Inrush Current Limiters (ICL) Overview

The PTCEL17R501TBE is a high-power positive temperature coefficient (PTC) thermistor designed for inrush current limiting applications. It features radial through-hole mounting with a lead spacing of 10 mm and a maximum height of 7.5 mm. The component has a nominal resistance of 500 Ohms with a tolerance of ±30%. It is rated for an AC voltage of 700 Vrms and a DC voltage of 1 kVDC. The operating temperature range extends from -40°C to +105°C. The device utilizes a 16.5 mm diameter element housed in a bulk package configuration.

Inrush Current Limiters (ICL) Feature Summary

• Positive temperature coefficient behavior for automatic inrush current suppression
• High surge current handling capability for power supply protection
• Lead-free construction compliant with environmental standards

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in AC/DC power supplies
• Protection of switching mode power supplies (SMPS)
• Surge current suppression in motor drive circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct lead length and packaging configuration. Confirm that the thermal environment allows adequate heat dissipation within the specified operating temperature range. Check for any recent product change notifications regarding material composition or dimensional tolerances before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state resistance and peak inrush current specifications. Ensure the circuit's normal operating current remains below the trip threshold to prevent unintended heating. Evaluate the ambient temperature conditions to guarantee reliable performance within the -40°C to +105°C range without derating requirements.

Inrush Current Limiters (ICL) Part Context

This part belongs to the PTCEL series of PTC thermistors manufactured by Vishay Beyschlag/Draloric/BC Components. These components are specialized for electronic protection roles where rapid current limitation is necessary during startup phases. The series offers various resistance values and voltage ratings to suit different power electronics architectures.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers: PTCEL17R501TBE401