B82477D4103M900

Arrays, Signal Transformers Overview

The B82477D4103M900 is a shielded surface-mount inductor array manufactured by EPCOS (TDK Electronics). It contains two independent coils with an inductance of 10 µH when connected in parallel and 40 µH in series. The component features a maximum DC resistance of 42 mΩ, a rated current of 4.54 A, and a saturation current of 6.0 A. It operates within a temperature range of -55°C to +150°C and meets the AEC-Q200 automotive qualification standard.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture providing flexible series or parallel connectivity options
• Shielded construction to minimize electromagnetic interference
• Automotive-grade reliability compliant with AEC-Q200 standards

Arrays, Signal Transformers Applications

• Automotive power supply circuits
• EMI suppression in electronic control units
• DC-DC converter input/output filtering

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number against official TDK documentation to ensure authenticity. Confirm that the specific suffix matches the required electrical parameters. Check for RoHS compliance status as per current regulatory requirements. Ensure storage conditions adhere to moisture sensitivity level guidelines before soldering.

Arrays, Signal Transformers Selection Notes

Select this component when dual-channel inductance is required in a compact footprint. Consider the 4.54 A rated current for high-power applications. Verify that the 10 µH parallel inductance aligns with circuit design specifications. Ensure the surface-mount package fits the available PCB real estate constraints.

Arrays, Signal Transformers Part Context

This component belongs to the B82477D series of shielded inductor arrays from EPCOS. The series is designed for automotive and industrial applications requiring high current handling and low profile. It utilizes ferrite core technology for stable performance across wide temperature ranges.

Arrays, Signal Transformers Replacement Considerations

Consult official TDK cross-reference lists for verified substitutes. Ensure any replacement maintains identical pinout, inductance values, and current ratings. Verify that alternative components meet the same AEC-Q200 qualification if used in automotive contexts.