B82477D4473M000

Arrays, Signal Transformers Overview

The B82477D4473M000 is a shielded surface-mount coupled inductor array manufactured by EPCOS (TDK). It features a ferrite core and wirewound construction within a 12.5 mm x 12.5 mm x 8.5 mm package. The component offers dual inductance configurations: 47 µH when coils are connected in parallel, and 188 µH when connected in series. It has a tolerance of ±20%, a maximum DC resistance of 145 mΩ, and an AEC-Q200 rating for automotive reliability. The operating temperature range extends from -55°C to +150°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture providing configurable inductance via series or parallel connection
• AEC-Q200 qualified for high-reliability automotive applications
• Shielded design with low DC resistance and wide thermal stability

Arrays, Signal Transformers Applications

• Automotive power supply filtering circuits
• DC-DC converter input/output stages
• Signal conditioning in automotive electronics

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official TDK documentation to confirm electrical characteristics and packaging details. Ensure compatibility with automated surface-mount assembly processes. Confirm that the selected variant meets the required AEC-Q200 standards for your specific application environment.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a compact footprint. Consider the series/parallel configuration options to match circuit impedance needs. Verify that the 145 mΩ DC resistance and current ratings align with the system's power budget and thermal constraints.

Arrays, Signal Transformers Part Context

This part belongs to the B82477D4 series of SMT power inductors designed for demanding environments. It utilizes a ferrite core and shielded structure to minimize electromagnetic interference. The series is engineered for high-current applications requiring robust performance across extreme temperatures.

Arrays, Signal Transformers Replacement Considerations

Consult official TDK substitution guides for verified equivalents. Cross-reference pinout and inductance values carefully. Do not assume mechanical interchangeability without verifying package dimensions and mounting hole specifications.