105-121J

Overview

The Delevan 105-121J is a surface-mount RF inductor with an inductance of 120 nH and a tolerance of ±5%. It features a maximum DC current rating of 830 mA and a maximum DC resistance of 140 mOhms. The component has a minimum Q factor of 40 and a self-resonant frequency of 500 MHz. It utilizes a shielded construction and operates within a temperature range of -55°C to +125°C.

Feature Summary

• Shielded surface-mount design for RF applications
• High self-resonant frequency of 500 MHz
• Robust current handling capability up to 830 mA

Applications

• RF circuit filtering
• Impedance matching networks
• Signal processing circuits

Procurement Notes

Verify the specific manufacturer part number against official datasheets to confirm electrical parameters such as inductance, tolerance, and current ratings. Ensure compatibility with RoHS regulations and lead content requirements, as historical data indicates potential variations in compliance status for this series. Confirm availability through authorized distributors.

Selection Notes

Select this component for high-frequency applications requiring stable inductance and low resistance. Consider the 500 MHz self-resonant frequency limit when designing circuits. Evaluate thermal performance within the specified operating temperature range and ensure PCB layout supports the surface-mount package dimensions.

Part Context

This component belongs to the 105/R series of fixed RF inductors manufactured by API Delevan. These components are designed for surface-mount technology (SMT) and are commonly used in radio frequency electronics. The series offers various inductance values tailored for specific RF filtering and tuning requirements.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other shielded SMD RF inductors having similar 120 nH inductance, 830 mA current rating, and 500 MHz SRF specifications if replacement is necessary.