AS32 0R530

Overview

The Vishay Ametherm AS320R530100 is a negative temperature coefficient (NTC) thermistor designed as an inrush current limiter. It features a nominal resistance of 0.5 Ohms with a tolerance of ±25%. The component supports a steady-state maximum current rating of 30 A and is available in a 32 mm diameter package. It offers UL approval for safety compliance.

Feature Summary

• Provides surge protection by suppressing high inrush current surges, particularly in power supply applications.
• Features UL approval ensuring compliance with specific safety standards for industrial use.

Applications

• Power supply input protection
• Industrial control systems
• General electronic equipment requiring inrush current limiting

Procurement Notes

Verify the exact part number suffix against official datasheets to ensure correct resistance and current ratings. Confirm that the required voltage ratings align with the application's AC or DC specifications. Check for RoHS compliance status if environmental regulations apply to the manufacturing process.

Selection Notes

Select this component based on the required steady-state current capacity and initial resistance value. Ensure the physical dimensions fit the PCB layout constraints. Consider the thermal characteristics and energy absorption capabilities relative to the system's input energy levels.

Part Context

This component belongs to the AS series of inrush current limiters from Vishay Ametherm. These devices are engineered to protect sensitive electronic components from damage caused by high initial charging currents when power is applied.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for cross-reference data before substituting.