B57211P0160M301

Overview

The B57211P0160M301 is an inrush current limiter manufactured by EPCOS (TDK Electronics). It features a resistance of 16 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 3 A and exhibits a minimum resistance at maximum current of 0.203 Ohms. It is designed for applications requiring effective control of initial surge currents in electronic circuits.

Feature Summary

• Provides reliable inrush current limiting to protect sensitive electronic components
• Features low minimum resistance at maximum current for efficient operation
• Designed for stable performance under specified electrical conditions

Applications

• Power supply input stages
• Consumer electronics protection
• Industrial equipment surge suppression

Procurement Notes

Verify the exact part number against official TDK/EPCOS documentation to ensure compatibility with specific circuit requirements. Confirm that the 16 Ohm resistance and 3 A current ratings align with the design specifications. Check for any alternative suffixes that may indicate different packaging or tolerance options available from authorized distributors.

Selection Notes

Select this component when a 16 Ohm initial resistance is required to limit inrush current to a maximum of 3 A. Ensure the application environment does not exceed the thermal limits defined in the datasheet. Consider the minimum resistance value of 0.203 Ohms at peak current for power dissipation calculations during normal operation.

Part Context

This component belongs to the B57211 series of inrush current limiters from EPCOS, now part of TDK. These devices are widely used in various electronic applications to prevent damage caused by high initial charging currents. The series offers robust protection solutions for power supplies and other sensitive circuits.

Replacement Considerations

Consult official TDK/EPCOS substitution guides for compatible alternatives. Verify that any substitute matches the 16 Ohm resistance, 3 A current rating, and physical dimensions. Ensure the replacement maintains the same safety certifications and performance characteristics.

FAQ

What is the resistance value of the B57211P0160M301 at 25°C?

The resistance value is 16 Ohms with a tolerance of ±20%.

What is the maximum steady-state current for this component?

The maximum steady-state current is 3 A.