RL-1256-4-1000

Fixed Inductors Overview

The RL-1256-4-1000 is a fixed wirewound inductor manufactured by Renco Electronics, Inc. It features an inductance of 1 mH with a tolerance of ±10%. The component supports a maximum current rating of 5.5 A and has a maximum DC resistance of 216 mOhm. It utilizes a radial vertical cylinder package configuration suitable for through-hole mounting. The unit is unshielded and designed for general purpose applications within power line circuits.

Fixed Inductors Feature Summary

• Unshielded wirewound construction for general purpose use
• Radial vertical cylinder package for through-hole integration
• High current handling capability up to 5.5 A

Fixed Inductors Applications

• Power line chokes
• General purpose inductive filtering
• Through-hole circuit assembly

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct tolerance and electrical characteristics. Confirm that the radial vertical cylinder package dimensions align with the target PCB footprint requirements. Check RoHS compliance status if environmental regulations apply to the end product. Ensure the 5.5 A current rating meets the operational demands of the intended circuit design without saturation.

Fixed Inductors Selection Notes

Select this component when a 1 mH inductance value is required with significant current capacity. The unshielded design necessitates careful placement to avoid magnetic interference with nearby sensitive components. The radial form factor simplifies automated or manual insertion processes compared to surface mount alternatives. Evaluate the 216 mOhm DC resistance impact on overall circuit efficiency and voltage drop during operation.

Fixed Inductors Part Context

This part belongs to the RL-1256 series of radial leaded power line chokes produced by Renco Electronics, Inc., which was acquired by Standex Electronics. The series offers various inductance and current ratings, with the fourth digit typically indicating specific electrical parameters within the family. These components are engineered for robust performance in industrial and commercial power electronics applications.

Fixed Inductors Replacement Considerations

The RL-1256-7-1000 is a confirmed substitute within the same series offering higher current capacity. Verify pin compatibility and physical dimensions before substitution. Other series members may differ significantly in electrical specifications.