ELJ-FA2R7JF

Fixed Inductors Overview

The ELJ-FA2R7JF is a surface-mount RF inductor from Panasonic, designed for high-frequency applications. It features an unshielded wirewound construction within a 1008 (2520 metric) package. The component provides an inductance of 2.7 µH with a tolerance of ±5%. Key electrical parameters include a maximum DC current rating of 145 mA and a maximum DC resistance of 1.2 Ohms. The self-resonant frequency is specified at 75 MHz. These characteristics define its performance envelope for signal circuit integration.

Fixed Inductors Feature Summary

• Wirewound construction suitable for radio frequency applications
• Unshielded design for specific electromagnetic interference requirements
• Surface-mount technology compatible with standard PCB assembly

Fixed Inductors Applications

• RF signal circuits
• High-frequency filtering
• Impedance matching networks

Fixed Inductors Procurement Notes

Verify the current lifecycle status of the ELJ-FA2R7JF before procurement planning. Official sources indicate this model may be discontinued or subject to limited supply conditions. Confirm availability through authorized distributors and check for valid replacement part numbers if production continuity is required. Ensure compliance with RoHS directives as per the manufacturer's documentation.

Fixed Inductors Selection Notes

Select the ELJ-FA2R7JF when a 2.7 µH inductance value is required in a 1008 package size. Consider the 145 mA current limit and 1.2 Ohm resistance for power handling constraints. The 75 MHz self-resonant frequency determines the upper operational bandwidth. Compare these specifications against alternative components in the Panasonic ELJ series to ensure optimal fit for the target RF application.

Fixed Inductors Part Context

This component belongs to the Panasonic ELJ series of chip inductors. The series includes various wirewound and non-winding types optimized for different frequency ranges. The ELJ-FA variant specifically targets RF applications requiring stable inductance values. Understanding the broader family context helps in identifying similar components with adjusted parameters for different design needs.

Fixed Inductors Replacement Considerations

Check official Panasonic documentation for confirmed substitute part numbers. The ELJ-FC2R7KF is listed as a related product with similar inductance but different packaging and electrical ratings. Verify compatibility of pinouts and thermal characteristics before substitution. Do not assume interchangeability without validating technical specifications against the original design requirements.