4448-134L

Overview

The Delevan 4448-134L is a surface-mount coupled inductor array featuring two coils. It provides an inductance of 300 µH in parallel connection and 1.2 mH in series connection, with a tolerance of ±15%. The component operates within a temperature range of -55°C to 125°C. Electrical characteristics include a maximum DC resistance of 672 mΩ in parallel and 2.688 Ω in series. Rated currents are specified at 620 mA for parallel operation and 310 mA for series configuration.

Feature Summary

• Dual-coil surface mount architecture for space-constrained designs
• Configurable inductance via series or parallel coil connections
• High current handling capability with low DC resistance
• Wide operating temperature range for harsh environments

Applications

• Power supply filtering circuits requiring coupled inductors
• DC-DC converter input/output stages
• EMI suppression in high-current power paths
• Signal conditioning in industrial control systems

Procurement Notes

Verify the exact part number suffix against official manufacturer documentation, as variations such as 'R' may exist. Confirm RoHS compliance status and moisture sensitivity level (MSL) requirements prior to integration. Ensure storage conditions align with the specified MSL rating to prevent damage during assembly. Cross-reference datasheet revisions to guarantee parameter accuracy for your specific design iteration.

Selection Notes

Select this component when dual-inductor functionality is required in a single footprint. Compare series versus parallel inductance values against circuit topology needs. Evaluate thermal performance based on the rated current limits and ambient operating temperatures. Verify package dimensions against PCB layout constraints to ensure proper mounting and clearance.

Part Context

This component belongs to the Delevan 4448/R series of coupled inductors. These parts are designed for surface mount technology applications. The series offers various inductance values and current ratings. They are commonly used in power electronics where magnetic coupling between windings is beneficial for noise reduction or energy transfer.

Replacement Considerations

Check for direct substitutes within the same series, such as 4448R-134L, ensuring identical electrical parameters. Verify pinout compatibility and physical dimensions before substitution. Consult manufacturer cross-reference guides for approved alternatives that meet the same performance specifications.