1025R-76H

Fixed Inductors Overview

The Delevan 1025R-76H is a fixed, unshielded molded RF inductor designed for through-hole mounting. It features an iron core and axial leads with a diameter of 0.508 mm. The nominal inductance is 220 µH with a tolerance of ±3%. The maximum DC resistance is 21 Ohms, and the rated current is 52 mA. The self-resonant frequency is 9 MHz, with a minimum Q factor of 30 at that frequency. It operates within a temperature range of -55 °C to 105 °C.

Fixed Inductors Feature Summary

• Unshielded molded construction for general-purpose RF applications
• Axial leaded package suitable for through-hole insertion
• Iron core material providing stable inductance characteristics

Fixed Inductors Applications

• RF filtering circuits
• General purpose inductive components
• Military and aerospace electronic systems

Fixed Inductors Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm RoHS compliance status as specifications may vary by production batch. Ensure axial lead dimensions match PCB layout requirements before integration into final assembly processes.

Fixed Inductors Selection Notes

Select this component when high inductance values are required in a compact axial form factor. Consider the 21 Ohm DC resistance limit for current handling capabilities. Verify self-resonant frequency constraints against target circuit operating frequencies to ensure performance stability.

Fixed Inductors Part Context

This part belongs to the API Delevan 1025R series of molded unshielded RF coils. The series utilizes iron cores and offers various inductance values with tight tolerances. These components are commonly specified in military-grade electronics requiring reliable passive components under harsh environmental conditions.

Fixed Inductors Replacement Considerations

Cross-reference with other 1025R series variants for different inductance or current ratings. Verify physical footprint compatibility if substituting with similar axial inductors from other manufacturers.