DLW21SZ181XQ2L

Common Mode Chokes Overview

The DLW21SZ181XQ2L is a high-performance power inductor from Murata Electronics, designed for compact electronic applications. It features a shielded structure to minimize electromagnetic interference and offers an inductance of 180 nH with a DC resistance of 0.0035 ohms maximum. The component supports a saturation current of up to 40 A and a rated current of 35 A, ensuring stable operation under heavy loads. Its small 2.1 x 1.6 mm footprint allows for efficient space utilization in dense circuit designs.

Common Mode Chokes Feature Summary

• Shielded design reduces magnetic flux leakage and electromagnetic interference
• High current handling capability suitable for demanding power delivery networks
• Compact surface-mount package enables automated assembly and space-efficient layouts

Common Mode Chokes Applications

• Voltage regulator modules (VRMs) for processors and memory
• Point-of-load conversion in server and storage systems
• Power stages for graphics processing units (GPUs)

Common Mode Chokes Procurement Notes

Verify the specific suffix XQ2L against official Murata documentation to confirm tape-and-reel packaging and quantity specifications. Ensure compatibility with your pick-and-place equipment regarding the 2.1 x 1.6 mm package dimensions. Cross-reference the RoHS compliance status directly with the manufacturer's latest certificate of conformity prior to procurement.

Common Mode Chokes Selection Notes

Select this component when space constraints are critical and high current density is required. Evaluate the thermal performance based on your board's copper area and airflow conditions. Compare the impedance characteristics against your switching frequency requirements to ensure optimal efficiency and ripple current management within the target application environment.

Common Mode Chokes Part Context

This part belongs to Murata's DLW21SZ series, which focuses on ultra-low profile power inductors. The series is engineered for high-current applications where minimal height and small footprint are essential. It complements other components in power management solutions by providing reliable energy storage with minimal signal noise.

Common Mode Chokes Replacement Considerations

Consult Murata's official substitution guide for direct equivalents. Verify that any alternative maintains the same 180 nH inductance, 40 A saturation current, and 2.1 x 1.6 mm package dimensions to ensure mechanical and electrical compatibility without redesigning the PCB layout.