B82747S4303A041

Overview

The B82747S4303A041 is a shielded axial inductor from the B82747 series, manufactured by EPCOS (TDK Electronics). It features a ferrite core and a copper wire winding. The nominal inductance is 30 mH with a tolerance of ±20%. The component is designed for through-hole mounting on printed circuit boards. Key electrical characteristics include a DC resistance of 650 Ohms maximum and a rated current of 15 mA. The device operates within a temperature range of -40°C to +85°C.

Feature Summary

• Shielded magnetic design minimizes electromagnetic interference coupling to adjacent components.
• Axial leaded construction facilitates automated insertion and secure PCB mounting.
• Ferrite core material provides stable inductance performance across operating temperatures.

Applications

• Electromagnetic compatibility filtering in consumer electronics
• Noise suppression in automotive sensor circuits
• Signal conditioning in industrial control systems

Procurement Notes

Verify the complete part number including the suffix A041 to ensure correct packaging and tape-and-reel specifications. Confirm that the 30 mH inductance value aligns with the specific filter requirements of the target circuit design before procurement.

Selection Notes

Select this component when high impedance at low frequencies is required in space-constrained axial layouts. Ensure the 15 mA current rating exceeds the maximum expected DC bias current in the application to prevent saturation and inductance drop.

Part Context

This component belongs to the B82747 series of shielded axial inductors. The series offers various inductance values tailored for noise suppression applications. The S4303 designation specifically indicates the 30 mH variant within this product line.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that any replacement maintains the same 30 mH inductance, 650 Ohm DC resistance, and axial package dimensions to ensure mechanical and electrical compatibility.

FAQ

What is the maximum operating temperature for this inductor?

The maximum operating temperature is +85°C.

Is this inductor shielded?

Yes, the B82747S4303A041 features a shielded magnetic structure to reduce external magnetic field emission.