DLW44SN851SK2L

Common Mode Chokes Overview

The DLW44SN851SK2L is a two-line common mode choke manufactured by Murata Electronics, designed for surface mount applications. It features an impedance of 850 Ohms at 100 MHz and supports a maximum DC current of 1.9A. The component has a maximum DC resistance (DCR) of 56 milliohms and operates within a temperature range of -40°C to +105°C. Its physical dimensions are 4.00mm x 4.00mm with a maximum height of 1.50mm. The device is rated for 60V DC and utilizes a horizontal package configuration.

Common Mode Chokes Feature Summary

• Provides effective suppression of common mode noise in high-speed signal lines through dual-line filtering architecture.
• Utilizes compact surface mount packaging suitable for space-constrained printed circuit board layouts.
• Maintains low direct current resistance to minimize power loss during operation.

Common Mode Chokes Applications

• High-speed data interface protection
• USB port filtering
• HDMI signal line noise reduction

Common Mode Chokes Procurement Notes

Verify component authenticity and datasheet alignment before integration. Confirm that the specified impedance and current ratings meet system requirements. Check for end-of-life status or supply constraints as indicated by distributor records. Ensure proper handling procedures are followed due to surface mount sensitivity.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring specific common mode rejection at 100 MHz. Evaluate thermal performance under continuous load conditions given the 1.9A rating. Compare footprint compatibility with existing PCB designs. Consider alternative models if higher current capacity or different impedance characteristics are needed.

Common Mode Chokes Part Context

This part belongs to the DLW44 series of EMIFIL components from Murata Electronics. The series focuses on miniaturized common mode chokes for digital interfaces. The DLW44SN variant specifically denotes a two-line configuration optimized for differential signaling applications where noise immunity is critical.

Common Mode Chokes Replacement Considerations

Mouser suggests DLW44SM851SK2L as an alternate option. Verify electrical equivalence and mechanical fit before substitution.