B57213P0250M351

Overview

The B57213P0250M351 is a leaded inrush current limiter (ICL) from the P13 series by TDK Electronics. It features a resistance of 25 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 2.5 A and has a cold resistance of 487 mOhms at different currents. It utilizes a disk design with a diameter of 0.512 inches (13.00 mm) and a lead spacing of 0.295 inches (7.50 mm).

Feature Summary

• Provides effective inrush current limiting for power supply circuits.
• Features a coated disk construction for environmental protection.
• Offers high stability and reliability under thermal stress.

Applications

• Power supply input stages
• Consumer electronics protection
• Industrial equipment circuit protection

Procurement Notes

Verify the specific part number against official TDK documentation to ensure accuracy, as brand naming conventions may have evolved. Confirm that the required electrical parameters match the system design requirements before procurement. Check for any recent product change notifications or marking updates issued by the manufacturer. Ensure compliance with relevant safety standards such as UL, VDE, or CQC if applicable to the end application.

Selection Notes

Select this component based on the required initial resistance and steady-state current ratings. Consider the physical dimensions and lead spacing for PCB layout compatibility. Evaluate the thermal characteristics to ensure proper heat dissipation during operation. Compare alternative models within the P13 series if different resistance values are needed.

Part Context

This component belongs to the P13 series of leaded and coated disk inrush current limiters manufactured by TDK Electronics. These devices are designed to protect electronic circuits from high surge currents during power-up. The series offers various resistance and current ratings to suit different applications.

Replacement Considerations

Check for direct substitutes within the same P13 series with matching resistance and current ratings. Verify dimensional compatibility for existing footprints. Consult official TDK documentation for approved replacement parts or updated model numbers.