4448-122L

Overview

The Delevan 4448-122L is a coupled inductor from the 4448/R series, designed for surface mount technology (SMT) applications. It features a molded construction with a ferrous alloy core and offers an inductance of 33 µH with a tolerance of ±15%. The component exhibits a maximum DC resistance of 0.072 ohms and supports high current operation. Its rectangular package measures 13.71 mm in length and width, with a height of 7.87 mm. The device operates within a temperature range of -55°C to 125°C and utilizes SMD/SMT termination types for PCB mounting.

Feature Summary

• Molded surface mount construction utilizing a ferrous alloy core for high current handling capabilities
• Dual-coil coupled inductor design providing 33 µH nominal inductance with ±15% tolerance
• Low DC resistance of 0.072 ohms optimized for efficient power delivery in compact form factors

Applications

• Power supply circuits requiring coupled inductors
• High current surface mount electronic assemblies
• DC-DC converter input/output filtering stages

Procurement Notes

Verify the specific suffix designation against official API Delevan documentation to confirm exact electrical characteristics and compliance status. Ensure the procurement channel provides authentic components with traceable manufacturing data. Cross-reference the part number with the latest datasheet to confirm RoHS and REACH regulatory alignment prior to integration into production workflows.

Selection Notes

Select this component when a compact, high-current coupled inductor is required for SMT assembly processes. The 33 µH value and low DCR make it suitable for applications demanding efficient magnetic coupling in limited board space. Confirm that the operating temperature range of -55°C to 125°C meets the environmental requirements of the target system design.

Part Context

The 4448-122L belongs to the Delevan 4448/R series of surface mount power inductors. This series is characterized by its molded construction and use of ferrous alloy cores, which support high current densities in a small footprint. The family includes various inductance values tailored for different power management needs while maintaining consistent mechanical dimensions for standardized PCB layouts.

Replacement Considerations

Consult official API Delevan substitution guides or equivalent manufacturer cross-reference lists for verified alternatives. Ensure any replacement maintains identical inductance, current rating, and physical dimensions to preserve circuit performance and mechanical fit without redesigning the PCB layout.