105-392J

Overview

The Delevan 105-392J is a surface-mount RF inductor with an inductance of 3.9 µH and a tolerance of ±1%. It features unshielded construction, a maximum DC resistance of 2.8 Ohms, and a rated current of 185 mA. The component operates within a temperature range of -55°C to +125°C and has a self-resonant frequency of 57 MHz.

Feature Summary

• Unshielded surface-mount design for radio frequency applications
• Ferrite core material providing stable inductance characteristics
• High operating temperature capability up to 125°C

Applications

• Radio frequency circuit filtering
• Impedance matching networks
• RF signal processing components

Procurement Notes

Verify RoHS compliance status as the product may not meet current environmental standards. Confirm availability through authorized distributors, noting that this specific part number may be discontinued or subject to limited supply conditions. Ensure compatibility with existing PCB footprints before ordering.

Selection Notes

Select this component for applications requiring precise 3.9 µH inductance with tight ±1% tolerance. Consider the 2.8 Ohm DC resistance and 185 mA current rating when designing power-sensitive circuits. The unshielded nature requires careful layout to minimize electromagnetic interference with adjacent components.

Part Context

This inductor belongs to the 105/R series from Delevan, designed specifically for high-frequency RF applications. The series offers various inductance values with different package sizes, allowing designers to optimize space and performance. The 105-392J provides a compact solution for sensitive RF circuits requiring minimal shielding.

Replacement Considerations

Consider the 105-392FS as a potential alternative if higher precision is required, though it shares similar electrical characteristics. Verify pinout compatibility and thermal requirements when substituting with other Delevan RF inductors.