#B953AS-7R5N=P3

Overview

The #B953AS-7R5N=P3 is a fixed surface-mount inductor from Murata Electronics, designed for power line applications. It features a shielded drum core wirewound construction with ferrite material. The component provides an inductance of 7.5 µH with a tolerance of ±30%. It supports a rated current of 5.1 A and a saturation current of 6.2 A. The DC resistance is 17 mΩ maximum. Operating temperature range is -40°C to +85°C.

Feature Summary

• Shielded drum core wirewound design minimizes electromagnetic interference
• Ferrite core material ensures stable performance under high current loads
• Surface mount package facilitates automated PCB assembly processes

Applications

• Power line chokes in switching power supplies
• DC-DC converter input/output filtering
• General-purpose power electronics circuitry

Procurement Notes

Verify the obsolescence status before procurement as the manufacturer has scheduled this part for discontinuation. Confirm that the final sales date aligns with your production timeline requirements. Ensure compatibility with existing supply chain logistics for end-of-life components. Check for alternative sourcing options if long-term availability is critical for your manufacturing operations.

Selection Notes

Select this component when a 7.5 µH inductance value is required with a 5.1 A current rating. The shielded construction is suitable for noise-sensitive environments. Verify that the 17 mΩ DCR meets efficiency targets. Consider the physical dimensions and thermal characteristics for integration into the specific PCB layout constraints.

Part Context

This part belongs to the B953AS series of power inductors manufactured by Murata Electronics. It is categorized under fixed inductors and chokes. The series utilizes shielded drum core technology for improved magnetic field containment compared to unshielded alternatives.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.