9250-392-RC

Fixed Inductors Overview

The Bourns Inc. 9250-392-RC is a fixed inductor belonging to the RF choke category, specifically designed for radio frequency applications. It features a shielded drum core construction with wirewound technology, ensuring effective electromagnetic interference suppression. The component exhibits an inductance value of 3.9 µH and supports a maximum current rating of 450 mA. Its direct current resistance (DCR) is specified at a maximum of 400 mOhm, contributing to efficient power handling. The unit operates with a tolerance of 10% and demonstrates a Q-factor of 44 at a resonant frequency of 7.9 MHz. This axial leaded device is suitable for compact circuit designs requiring reliable signal filtering.

Fixed Inductors Feature Summary

• Shielded drum core design minimizes external magnetic field interference
• Wirewound construction provides stable inductance characteristics
• Axial leaded package facilitates through-hole mounting

Fixed Inductors Applications

• Radio frequency signal filtering
• Electromagnetic interference suppression circuits
• General purpose RF choke applications

Fixed Inductors Procurement Notes

Verify the specific ordering suffix to confirm compliance with RoHS standards and lead-free status as indicated in official documentation. Confirm that the axial lead configuration matches your PCB layout requirements. Ensure the 450 mA current rating aligns with your circuit's operational demands. Cross-reference the part number against manufacturer databases to validate availability status, as this item may be classified as obsolete or discontinued in certain regions.

Fixed Inductors Selection Notes

Select this component when a shielded RF choke with axial leads is required for frequencies around 7.9 MHz. The 3.9 µH inductance value suits specific filtering needs within radio frequency circuits. Consider the 400 mOhm DCR limit for efficiency requirements. Verify that the physical dimensions of the drum core fit within the designated board space. Ensure the 10% tolerance meets the precision requirements of the target application.

Fixed Inductors Part Context

This component is manufactured by Bourns Inc., a provider of electronic components including resistors, sensors, and magnetics. The 9250 series represents their line of fixed inductors designed for various industrial and consumer electronics applications. As a wirewound inductor, it falls under the broader category of passive magnetic components used for energy storage and signal conditioning in electronic systems.

Fixed Inductors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Bourns catalogs for equivalent specifications if replacement is necessary.