B82477D4104M900

Arrays, Signal Transformers Overview

The B82477D4104M900 is a surface-mount coupled inductor from the EPCOS B82477D4 series, manufactured by TDK Electronics. It features a ferrite core and shielded construction designed for high reliability in automotive applications. The component provides an inductance of 100 µH with a tolerance of ±20%. It supports a rated current of 1.61 A based on temperature rise and 2 A based on inductance change. The device operates within a temperature range of -55°C to 150°C and meets the AEC-Q200 qualification standard.

Arrays, Signal Transformers Feature Summary

• Dual-winding coupled inductor architecture suitable for SEPIC, Zeta, and multi-output buck converter topologies
• Shielded design minimizes electromagnetic interference and magnetic flux leakage
• AEC-Q200 qualified for robust performance in demanding automotive electronic environments

Arrays, Signal Transformers Applications

• Advanced Driver Assistance Systems (ADAS) power management
• Electronic Control Unit (ECU) voltage regulation
• Battery Management System (BMS) circuit interfaces
• 48V xEV power conversion stages

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix M900 against the official datasheet to confirm package dimensions and terminal configuration. Ensure the selected variant matches the required coupling factor and saturation current specifications for the target power stage. Confirm RoHS compliance status and manufacturing origin prior to finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when designing isolated or non-isolated converters requiring tight magnetic coupling. Evaluate the DC resistance and thermal characteristics to ensure they align with the system's efficiency targets. Consider the physical footprint constraints and mounting orientation requirements during the PCB layout phase to optimize thermal dissipation.

Arrays, Signal Transformers Part Context

This part belongs to the B82477D4 series of coupled inductors, which are engineered for automotive-grade power electronics. The series offers various inductance values and current ratings to support diverse power supply architectures. These components are integral to modern vehicle electrification and intelligent chassis systems.

Arrays, Signal Transformers Replacement Considerations

Consult the official B82477D4 series datasheet for verified substitute part numbers within the same family. Cross-referencing requires matching inductance, current ratings, and physical dimensions to ensure functional compatibility without redesigning the printed circuit board.