1025R-54F

Fixed Inductors Overview

The Delevan 1025R-54F is a fixed leaded RF inductor from the 1025(R) series. It features an axial termination style and a molded unshielded construction with an iron core. The component provides an inductance of 27 µH with a tolerance of ±1%. It supports a maximum DC current of 140 mA and has a maximum DC resistance of 3.5 Ohms. The unit operates within a temperature range of -55°C to +105°C, exhibits a minimum Q factor of 50 at 2.5 MHz, and achieves a self-resonant frequency of 20 MHz.

Fixed Inductors Feature Summary

• Molded unshielded design utilizing an iron core for stable RF performance
• Axial through-hole termination suitable for PCB mounting applications
• Established reliability specifications compliant with MIL-PRF-M15305 standards

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF signal processing

Fixed Inductors Procurement Notes

Verify RoHS compliance status as documentation indicates non-compliance for specific variants. Confirm manufacturing origin and lot traceability against MIL-PRF-M15305 requirements. Validate that the ordering suffix matches the required tolerance and packaging configuration. Ensure the supplier provides official test reports confirming electrical parameters before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component for applications requiring high stability in RF environments. The unshielded design necessitates careful layout planning to minimize electromagnetic interference with adjacent components. Verify that the operating frequency remains below the 20 MHz self-resonant point. Ensure the physical dimensions fit the target PCB footprint and that the thermal rating accommodates the expected ambient conditions.

Fixed Inductors Part Context

This part belongs to the Delevan 1025(R) series of leaded RF inductors. These components are designed for robust performance in demanding electronic systems. The series offers various inductance values while maintaining consistent physical dimensions and termination styles. They are widely utilized in military and aerospace electronics where established reliability is critical.

Fixed Inductors Replacement Considerations

The 1025-54F serves as a confirmed substitute within the same product family. Both parts share identical electrical characteristics including 27 µH inductance and 3.5 Ohm resistance. Verify that the replacement variant meets the specific environmental and reliability certifications required by the application.