DLP31DN321ML4L

Common Mode Chokes Overview

The Murata DLP31DN321ML4L is a four-line common mode choke coil designed for surface mount applications. It operates within a temperature range of -40°C to +85°C and features an impedance of 320 Ohms at 100 MHz. The component supports a maximum DC current of 80 mA with a maximum DC resistance of 3.5 Ohms. It utilizes a 1206 (3216 metric) package measuring 3.2 mm in length, 1.6 mm in width, and 1.15 mm in height.

Common Mode Chokes Feature Summary

• Four-channel configuration for simultaneous noise suppression across multiple signal lines
• Compact surface mount footprint suitable for high-density PCB layouts
• Designed for effective attenuation of common mode electromagnetic interference

Common Mode Chokes Applications

• High-speed digital interface protection
• Data line filtering in portable electronic devices
• Signal integrity enhancement in communication modules

Common Mode Chokes Procurement Notes

Verify the specific manufacturing date code and lot traceability upon order confirmation. Confirm that the delivered components match the exact suffix ML4L to ensure correct channel count and impedance characteristics. Check for any end-of-life notifications or alternative part recommendations from the manufacturer before finalizing procurement plans.

Common Mode Chokes Selection Notes

Select this component when multi-line noise suppression is required in space-constrained designs. Ensure the operating current remains below the 80 mA rating to prevent saturation. Verify that the 3.5 Ohm DC resistance aligns with the voltage drop requirements of the target circuit signals.

Common Mode Chokes Part Context

This component belongs to the DLP31 series of common mode chokes from Murata Electronics. The series offers various impedance values and line configurations tailored for different signal processing needs. The DLP31DN321ML4L specifically addresses four-line applications requiring moderate noise attenuation capabilities.

Common Mode Chokes Replacement Considerations

Consult official Murata documentation for direct cross-references. Verify compatibility regarding pinout, impedance tolerance, and thermal performance if substituting with other four-line chokes.