1025R-56J

Fixed Inductors Overview

The Delevan 1025R-56J is a fixed through-hole inductor from the 1025R series, featuring an iron core and molded construction. It offers an inductance of 56 µH with a tolerance of ±5%. The component supports a maximum DC current of 149 mA and has a maximum DC resistance of 3.1 Ohms. It exhibits a Q value of 50 at 2.5 MHz and a self-resonant frequency of 30 MHz. Designed for axial mounting, it operates within a temperature range of -55°C to 105°C.

Fixed Inductors Feature Summary

• Molded unshielded construction with iron core
• Axial leaded package for through-hole PCB mounting
• High reliability performance across wide temperature ranges

Fixed Inductors Applications

• RF circuit filtering
• Signal processing networks
• General purpose inductive applications

Fixed Inductors Procurement Notes

Verify RoHS compliance status as specific batches may vary; confirm availability through authorized distributors due to potential supply constraints. Ensure ordering suffixes match required packaging formats such as tape and reel quantities. Cross-reference manufacturer datasheets for latest environmental certifications and testing frequencies before finalizing procurement specifications.

Fixed Inductors Selection Notes

Select this component when a 56 µH inductance with tight ±5% tolerance is required for high-frequency stability. The 149 mA current rating suits moderate power applications. Verify that the 3.1 Ohm DCR aligns with circuit loss requirements. Confirm axial lead length compatibility with PCB layout constraints and ensure operating temperatures fall within the specified -55°C to 105°C range.

Fixed Inductors Part Context

Part of the Delevan 1025R series, designed for robust RF and general-purpose inductive tasks. Features consistent electrical characteristics across the family while maintaining distinct inductance values. Suitable for military and commercial electronics requiring reliable through-hole components with stable performance under varying thermal conditions.

Fixed Inductors Replacement Considerations

Consider equivalent parts within the 1025R series for different inductance values. Verify cross-compatibility with other manufacturers' axial molded inductors by matching core material, current ratings, and physical dimensions. Ensure replacement options meet the same MIL-PRF-M15305 standards if military grade reliability is required.

Fixed Inductors FAQ

What is the test frequency for the Q value specification?

The Q value of 50 is measured at a test frequency of 2.5 MHz.

Is the 1025R-56J shielded?

No, the 1025R-56J is an unshielded inductor with a molded construction.